Configuring and Troubleshooting an Integrated Service Routers ( ISRs) with PRIs for Incoming Multilink Async and ISDN Calls
Contents
Now we all know that ISRs are becoming more and more popular for customer deployments. In many environments, customer need to configure an ISRs that can accept incoming calls from both Async and ISDN users. Such a setup is commonly used to provide network connectivity to users who travel and are telecommuters, and also for Small Office-Home Office (SOHO) sites.
As we all know that many customers are migrating from their old NM-xCTE1-PRI modules to HWICs and VWICs because NM-xCTE1-PRI modules are End-Of-Sale as of December 29, 2008. Pl. visit following url for EOS announcements and migration path.
https://www.cisco.com/en/US/prod/collateral/routers/ps5855/eol_c51_484362.html
That said, HWICs are the perfect replacements for old NMs for data calls. This document describes how to configure an Access Server to accept incoming Async and ISDN calls on ISDN T1 PRI circuits. The configuration provides the minimum setup required for the Integrated Service Routers ( ISRs) to accept the call. You can add additional features to this configuration based on your needs.
Prerequisites
Requirements
There are no specific requirements for this document.
Components Used
The information in this document is based on these software and hardware versions:
· Cisco ISR router 3845 with HWIC-2CE1T1-PRI and PVDM2-24DM digital modem module.
· One T1 PRI.
· A PC that runs Microsoft Windows. This PC has an analog modem and a phone connection to the Public Switch Telephone Network. The PC dials the T1 PRI that is connected to the ISR 3845.
· Cisco 1800 or 2800 ISR series routers with ISDN BRI circuits. These routers are the ISDN mlppp dialin clients. You can apply this client configuration to any router with a BRI interface. Client side configuration is not the intended purpose of this document.
· Local Authentication, Authorization and Accounting (AAA). If you have a AAA Radius or Tacacs+ Server, you can use either of them to provide AAA for the incoming calls. Refer to Implementing the Server-Based AAA Subsystem for more information.
Note: The information in this document was created from the devices in a specific lab environment. All of the devices used in this document started with a cleared (default) configuration. If your network is live, make sure that you understand the potential impact of any command.
Configure
In this section, you are presented with the information to configure the features described in this document.
Note: To find additional information on the commands used in this document, use the Command Lookup Tool ( registered customers only) .
Network Diagram
This document uses this network setup:
On Cisco 3845-1, HWIC-2CE1T1-PRI modules is in WIC slot 2 and PVDM2-24DM digital modems are in PVDM 1 slot. “Show diag” command will look like following
PVDM Slot 1:
24 port PVDMII digital modem PVDM daughter card
Hardware Revision : 2.0
Part Number : 73-10101-03
Board Revision : 02
Deviation Number : 0-0
Fab Version : 02
PCB Serial Number : FHH10100018
RMA Test History : 00
RMA Number : 0-0-0-0
RMA History : 00
Processor type : 00
Product (FRU) Number : PVDM2-24DM
WIC Slot 2:
2 port channelized and PRI T1/E1 HWIC
Hardware Revision : 0.0
Top Assy. Part Number : 800-27137-02
Part Number : 73-10363-03
Board Revision : A0
Deviation Number : 88300
Fab Version : 03
PCB Serial Number : FOC110300X6
RMA Test History : 00
RMA Number : 0-0-0-0
RMA History : 00
Version Identifier : V01
Product (FRU) Number : HWIC-2CE1T1-PRI
3845-1#sh run
Building configuration...
Current configuration : 3746 bytes
!
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname 3845-1
!
boot-start-marker
boot-end-marker
!
card type t1 0 2
!---Need to define a card type about the use of HWIC-2TE1-PRI card to be a T1 card or a !---E1 card. Here we are using it as a T1 card.
logging message-counter syslog
logging buffered 65535
enable secret 5 $1$clc3$GfelyWY1QQs6bCR4lxwl..
!
no aaa new-model
network-clock-participate wic 0
!--- Allow other WICs modules to drive the clock from the selected T1 line
network-clock-select 1 T1 0/2/0
!---Need to select proper T1 line to source the clock from.
dot11 syslog
ip source-route
ip cef
!
no ip domain lookup
no ipv6 cef
!
multilink bundle-name authenticated
!---Configure multilink bundle name based on the authenticated username
isdn switch-type primary-5ess
!--- Switch-type for the PRI circuit. Obtain this information from the Telco.
!
username Param password mypassword
username Preet password 0 nosecretatall
!--- Usernames for local authentication of the call. !--- The client presents the username/password and the ISR
!--- authenticates the peer.
archive
log config
hidekeys
!
controller T1 0/2/0
cablelength long 0db
pri-group timeslots 1-24
!--- For T1 PRI scenarios, all 24 T1 timeslots are assigned as !--- ISDN PRI channels. The router now automatically creates the !--- corresponding D-channel: interface Serial 0/2/0:23.
!--- Framing for this T1 is Extended Super Frame (ESF) and linecode is !--- B8ZS is default. Obtain these information from the Telco.
controller T1 0/2/1
cablelength long 0db
pri-group timeslots 1-24
!--- For T1 PRI scenarios, all 24 T1 timeslots are assigned as !--- ISDN PRI channels. The router now automatically creates the !--- corresponding D-channel: interface Serial 0/2/1:23.
!--- Framing for this T1 is Extended Super Frame (ESF) and linecode is !--- B8ZS is default. Obtain these information from the Telco.
interface Loopback1
ip address 100.1.1.1 255.255.255.0
!--- The IP pool for ISDN users is in this subnet. !--- The routes for all ISDN clients are summarized and !--- propagated to the backbone instead of 254 routes.
interface GigabitEthernet0/0
ip address 100.2.1.1 255.255.255.0
duplex auto
speed auto
media-type rj45
!--- Unused interface configuration is omitted here.
interface GigabitEthernet0/1
no ip address
shutdown
!--- Unused interface configuration is omitted here.
interface Serial0/2/0:23
!--- D-channel configuration for T1 0/2/0.
ip unnumbered Loopback1
!--- A Loopback interface is always up/up. So, unnumber the Loopback
!--- interface for stability.
encapsulation ppp
dialer idle-timeout 600 either
!--- Idle Timeout is defined as 600 secs which is 10 mins. dialer-group 1
!--- Interesting traffic is defined in dialer-list 1. !--- Note: The specified dialer-group number must be the same as the !--- dialer-list number. In this example, the number is defined as "1".
isdn switch-type primary-5ess
isdn incoming-voice modem
!--- All incoming voice calls on this T1 are sent to the modems. !--- This command is required if this T1 is to accept async modem calls.
peer default ip address pool My-IP
!--- Clients are assigned addresses from the IP address pool named My-IP which needs to be configured later in the config.
ppp authentication chap callin
!--- Use CHAP authentication.
ppp multilink
!--- Configure the interface to use multilink.
!--- Without this command multilink is NOT negotiated.
!--- This command is needed to bind more than one calls from the same
!--- user together.
!
interface Serial0/2/1:23
ip unnumbered Loopback1
encapsulation ppp
dialer idle-timeout 600 either
dialer-group 1
isdn switch-type primary-5ess
isdn incoming-voice modem
peer default ip address pool My-IP
ppp authentication chap callin
ppp multilink
!
interface Group-Async1
!--- This group-async interface is the configuration template for all !--- modems. You need not configure individual async interfaces!--- because you can clone the interfaces from one managed copy.
ip unnumbered Loopback1
!--- A Loopback interface is always up/up. So, unnumber the Loopback
!--- interface for stability.
encapsulation ppp
dialer in-band
dialer idle-timeout 300 either
!--- Idle Timeout is defined as 300 secs which is 5 mins.
dialer-group 1
!--- Interesting traffic is defined in dialer-list 1. !--- Note: The specified dialer-group number must be the same as the !--- dialer-list number. In this example, the number is defined as "1".
async mode dedicated
peer default ip address pool My-IP
!--- Clients are assigned addresses from the IP address pool named
!--- My-IP which needs to be configured later in the config.
ppp authentication chap callin
!--- Use CHAP authentication.
ppp multilink
!--- Configure the interface to use multilink.
!--- Without this command multilink is NOT negotiated.
!--- This command is needed to bind more than one calls from the same
!--- user together.
group-range 0/514 0/537
!--- Modems 0/514 through 0/537 are members of this group async
!--- interface
!
ip local pool My-IP 100.1.1.2 100.1.1.100
!--- IP address pools for dialin clients.
ip route 0.0.0.0 0.0.0.0 100.2.1.2
ip http server
no ip http secure-server
!
dialer-list 1 protocol ip permit
!
control-plane
!
!
line con 0
exec-timeout 0 0
privilege level 15
logging synchronous
line aux 0
privilege level 15
password cisco
login
line 0/514 0/537
modem InOut
!--- Support incoming and outgoing modem calls.
transport input all autoselect during-login ! --- Displays the username:password prompt after modems connect.
autoselect ppp
!--- Automatically launches PPP if the router detects incoming PPP
!--- packets. Without this command the dialin client must manually !--- launch PPP (from Exec mode).
line vty 0 4
exec-timeout 60 0
privilege level 15
password cisco
login
line vty 5 10
exec-timeout 60 0
privilege level 15
password cisco
login
!
scheduler allocate 20000 1000
end
3845-1#
Verify
This section provides information you can use to confirm your configuration is working properly.
Certain show commands are supported by the Output Interpreter Tool ( registered customers only) , which allows you to view an analysis of show command output.
· Show network-clocks -- The network clock source must be derived from an external source, for example, PSTN, or PBX. To display the current configured and active network clock sources, use the show network-clocks command
· show isdn status—ensures that the router communicates properly with the ISDN switch. In the output, ensure that Layer 1 Status is ACTIVE, and that the Layer 2 Status state = MULTIPLE_FRAME_ESTABLISHED appears. This command also displays the number of active calls.
· show ppp multilink—displays information on active multilink bundles. Use this command to verify the multilink connection.
· show dialer [interface type number]—displays general diagnostic information for interfaces configured for DDR. If the dialer comes up properly, the Dialer state is data link layer up message must appear. If physical layer up appears, the implication is that line protocol came up, but the Network Control Protocol (NCP) did not. The source and destination addresses of the packet that initiated the dialing are shown in the Dial reason line. This show command also displays the configuration of the timer, and the time before the connection times out.
· show caller user username detail—shows parameters for the particular user, for example, the IP address assigned, PPP and PPP bundle parameters. If your version of the Cisco IOS software does not support this command, use the show user command.
· show dialer map—displays configured dynamic and static dialer maps. You can use this command to check whether a dynamic dialer map is created. You cannot route packets without a dialer map.
3845-1#show network-clocks
Network Clock Configuration
---------------------------
Priority Clock Source Clock State Clock Type
1 T1 0/2/0 GOOD T1
!--- The clock is derived from primary T1 line in 0/2/0
11 Backplane GOOD PLL
Current Primary Clock Source
---------------------------
Priority Clock Source Clock State Clock Type
1 T1 0/2/0 GOOD T1
3845-1#sh isdn stats
Global ISDN Switchtype = primary-5ess
ISDN Serial0/2/0:23 interface
dsl 0, interface ISDN Switchtype = primary-5ess
Layer 1 Status:
ACTIVE
Layer 2 Status:
TEI = 0, Ces = 1, SAPI = 0, State = MULTIPLE_FRAME_ESTABLISHED
Layer 3 Status:
0 Active Layer 3 Call(s)
Active dsl 0 CCBs = 0
The Free Channel Mask: 0x807FFFFF
Number of L2 Discards = 0, L2 Session ID = 5
Troubleshooting Commands
Certain show commands are supported by the Output Interpreter Tool ( registered customers only) , which allows you to view an analysis of show command output.
Note: Before issuing debug commands, please see Important Information on Debug Commands.
· debug dialer—displays DDR debugging information about the packets received on a dialer interface. This information can help to ensure there is interesting traffic that uses the dialer interface.
· debug isdn q931—shows call setup and tear down of the ISDN network connection (Layer 3).
· debug modem—displays modem line activity on an access server. The output displays when the modem line changes state.
· debug modem csm—enables you to troubleshoot Call Switching Module (CSM) problems on routers with internal digital modems. With this command, you can trace the complete sequence of switching incoming and outgoing calls.
· debug ppp negotiation—displays information on the PPP traffic and exchanges, and negotiates Link Control Protocol (LCP), Authentication, and Network Control Protocol (NCP). A successful PPP negotiation first opens the LCP state, then authenticates, and finally negotiates NCP. Multilink Parameters such as Maximum Receive Reconstructed Unit (MRRU) are established during LCP negotiation.
· debug ppp authentication—displays PPP authentication protocol messages, including CHAP packet exchanges and Password Authentication Protocol (PAP) exchanges.
· debug ppp error—displays protocol errors and error statistics associated with PPP connection negotiation and operation.
Sample debug Output
For mlppp ISDN Call
A)first call from the client is received
3845-1#
*Sep 3 20:47:50.958: ISDN Se0/2/0:23 Q931: RX <- SETUP pd = 8 callref = 0x13EF
!--- Incoming Q.931 Setup message.
Bearer Capability i = 0x8890
Standard = CCITT
Transfer Capability = Unrestricted Digital
Transfer Mode = Circuit
Transfer Rate = 64 kbit/s
Channel ID i = 0xA98381
Exclusive, Channel 1
Calling Party Number i = 0x2180, '4087775100'
Plan:ISDN, Type:National
Called Party Number i = 0x80, '83115'
Plan:Unknown, Type:Unknown
*Sep 3 20:47:50.958: ISDN Se0/2/0:23 Q931: Received SETUP callref = 0x93EF callID = 0x000B switch = primary-5ess interface = User
*Sep 3 20:47:50.958: %LINK-3-UPDOWN: Interface Serial0/2/0:0, changed state to up
*Sep 3 20:47:50.958: %ISDN-6-CONNECT: Interface Serial0/2/0:0 is now connected to 4087775100 N/A
*Sep 3 20:47:50.962: ISDN Se0/2/0:23 Q931: TX -> CALL_PROC pd = 8 callref = 0x93EF
Channel ID i = 0xA98381
Exclusive, Channel 1
*Sep 3 20:47:50.962: ISDN Se0/2/0:23 Q931: TX -> CONNECT pd = 8 callref = 0x93EF
Channel ID i = 0xA98381
Exclusive, Channel 1
*Sep 3 20:47:50.962: Se0/2/0:0 PPP: Using dialer call direction
*Sep 3 20:47:50.962: Se0/2/0:0 PPP: Treating connection as a callin
*Sep 3 20:47:50.962: Se0/2/0:0 PPP: Session handle[2F000086] Session id[9]
*Sep 3 20:47:50.962: Se0/2/0:0 PPP: Phase is ESTABLISHING, Passive Open
*Sep 3 20:47:50.962: Se0/2/0:0 LCP: State is Listen
*Sep 3 20:47:50.970: ISDN Se0/2/0:23 Q931: RX <- CONNECT_ACK pd = 8 callref = 0x13EF
!--- Call is connected.
*Sep 3 20:47:51.126: Se0/2/0:0 LCP: I CONFREQ [Listen] id 6 len 22
*Sep 3 20:47:51.126: Se0/2/0:0 LCP: MagicNumber 0x18D6525F (0x050618D6525F)
*Sep 3 20:47:51.126: Se0/2/0:0 LCP: MRRU 1524 (0x110405F4)
*Sep 3 20:47:51.126: Se0/2/0:0 LCP: EndpointDisc 1 Preet (0x1308015072656574)
*Sep 3 20:47:51.126: Se0/2/0:0 PPP: Authorization required
*Sep 3 20:47:51.126: Se0/2/0:0 LCP: O CONFREQ [Listen] id 3 len 28
*Sep 3 20:47:51.126: Se0/2/0:0 LCP: AuthProto CHAP (0x0305C22305)
*Sep 3 20:47:51.126: Se0/2/0:0 LCP: MagicNumber 0x29F4A718 (0x050629F4A718)
*Sep 3 20:47:51.126: Se0/2/0:0 LCP: MRRU 1524 (0x110405F4)
*Sep 3 20:47:51.126: Se0/2/0:0 LCP: EndpointDisc 1 3845-1 (0x130901333834352D31)
*Sep 3 20:47:51.126: Se0/2/0:0 LCP: O CONFACK [Listen] id 6 len 22
*Sep 3 20:47:51.126: Se0/2/0:0 LCP: MagicNumber 0x18D6525F (0x050618D6525F)
*Sep 3 20:47:51.126: Se0/2/0:0 LCP: MRRU 1524 (0x110405F4)
*Sep 3 20:47:51.126: Se0/2/0:0 LCP: EndpointDisc 1 Preet (0x1308015072656574)
*Sep 3 20:47:51.146: Se0/2/0:0 LCP: I CONFACK [ACKsent] id 3 len 28
*Sep 3 20:47:51.146: Se0/2/0:0 LCP: AuthProto CHAP (0x0305C22305)
*Sep 3 20:47:51.146: Se0/2/0:0 LCP: MagicNumber 0x29F4A718 (0x050629F4A718)
*Sep 3 20:47:51.146: Se0/2/0:0 LCP: MRRU 1524 (0x110405F4)
*Sep 3 20:47:51.146: Se0/2/0:0 LCP: EndpointDisc 1 3845-1 (0x130901333834352D31)
*Sep 3 20:47:51.146: Se0/2/0:0 LCP: State is Open
!--- LCP negotiation is complete.
*Sep 3 20:47:51.146: Se0/2/0:0 PPP: Phase is AUTHENTICATING, by this end
*Sep 3 20:47:51.146: Se0/2/0:0 CHAP: O CHALLENGE id 1 len 27 from "3845-1"
*Sep 3 20:47:51.166: Se0/2/0:0 CHAP: I RESPONSE id 1 len 26 from "Preet"
*Sep 3 20:47:51.166: Se0/2/0:0 PPP: Phase is FORWARDING, Attempting Forward
*Sep 3 20:47:51.166: Se0/2/0:0 PPP: Phase is AUTHENTICATING, Unauthenticated User
*Sep 3 20:47:51.166: Se0/2/0:0 PPP: Sent CHAP LOGIN Request
*Sep 3 20:47:51.166: Se0/2/0:0 PPP: Received LOGIN Response PASS
*Sep 3 20:47:51.166: Se0/2/0:0 PPP: Phase is FORWARDING, Attempting Forward
*Sep 3 20:47:51.166: Se0/2/0:0 PPP: Phase is AUTHENTICATING, Authenticated User
*Sep 3 20:47:51.166: Se0/2/0:0 PPP: Sent LCP AUTHOR Request
*Sep 3 20:47:51.166: Se0/2/0:0 PPP: Sent MLP AUTHOR Request
*Sep 3 20:47:51.166: Se0/2/0:0 PPP: Sent IPCP AUTHOR Request
*Sep 3 20:47:51.166: Se0/2/0:0 LCP: Received AAA AUTHOR Response PASS
*Sep 3 20:47:51.166: Se0/2/0:0 MLP: Received AAA AUTHOR Response PASS
*Sep 3 20:47:51.166: Se0/2/0:0 IPCP: Received AAA AUTHOR Response PASS
*Sep 3 20:47:51.166: Se0/2/0:0 CHAP: O SUCCESS id 1 len 4
!--- PPP CHAP authentication is successful.
*Sep 3 20:47:51.166: Se0/2/0:0 PPP: Phase is VIRTUALIZED
*Sep 3 20:47:51.174: %LINK-3-UPDOWN: Interface Virtual-Access1, changed state to up
!--- Virtual-Access Interface is up.
!--- This interface controls the incoming call.
*Sep 3 20:47:51.174: Vi1 MLP: Added first link Se0/2/0:0 to bundle Preet
*Sep 3 20:47:51.174: Vi1 PPP: Phase is DOWN, Setup
*Sep 3 20:47:51.174: Vi1 PPP: Phase is UP
*Sep 3 20:47:51.174: Vi1 IPCP: O CONFREQ [Closed] id 1 len 10
*Sep 3 20:47:51.174: Vi1 IPCP: Address 100.1.1.1 (0x030664010101)
*Sep 3 20:47:51.174: Vi1 PPP: Sent CDPCP AUTHOR Request
*Sep 3 20:47:51.174: Vi1 PPP: Process pending ncp packets
*Sep 3 20:47:51.174: Se0/2/0:0 PPP: Process pending ncp packets
*Sep 3 20:47:51.174: Se0/2/0:0 PPP: Process pending ncp packets
*Sep 3 20:47:51.174: Vi1 CDPCP: Received AAA AUTHOR Response PASS
*Sep 3 20:47:51.174: Vi1 CDPCP: O CONFREQ [Closed] id 1 len 4
*Sep 3 20:47:51.186: Vi1 IPCP: I CONFREQ [REQsent] id 1 len 10
*Sep 3 20:47:51.186: Vi1 IPCP: Address 0.0.0.0 (0x030600000000)
*Sep 3 20:47:51.186: Vi1 AAA/AUTHOR/IPCP: Start. Her address 0.0.0.0, we want 0.0.0.0
*Sep 3 20:47:51.186: Vi1 AAA/AUTHOR/IPCP: Done. Her address 0.0.0.0, we want 0.0.0.0
*Sep 3 20:47:51.186: Vi1 IPCP: Pool returned 100.1.1.6
!--- Peer IP address is assigned from IP Pool named "My-IP".
*Sep 3 20:47:51.186: Vi1 IPCP: O CONFNAK [REQsent] id 1 len 10
*Sep 3 20:47:51.186: Vi1 IPCP: Address 100.1.1.6 (0x030664010106)
*Sep 3 20:47:51.186: Vi1 CDPCP: I CONFREQ [REQsent] id 1 len 4
*Sep 3 20:47:51.186: Vi1 CDPCP: O CONFACK [REQsent] id 1 len 4
*Sep 3 20:47:51.186: Vi1 IPCP: I CONFACK [REQsent] id 1 len 10
*Sep 3 20:47:51.186: Vi1 IPCP: Address 100.1.1.1 (0x030664010101)
*Sep 3 20:47:51.190: Vi1 CDPCP: I CONFACK [ACKsent] id 1 len 4
*Sep 3 20:47:51.190: Vi1 CDPCP: State is Open
*Sep 3 20:47:51.198: Vi1 IPCP: I CONFREQ [ACKrcvd] id 2 len 10
*Sep 3 20:47:51.198: Vi1 IPCP: Address 100.1.1.6 (0x030664010106)
*Sep 3 20:47:51.198: Vi1 IPCP: O CONFACK [ACKrcvd] id 2 len 10
*Sep 3 20:47:51.198: Vi1 IPCP: Address 100.1.1.6 (0x030664010106)
*Sep 3 20:47:51.198: Vi1 IPCP: State is Open
!--- IPCP negotiation is complete. The call is now connected.
*Sep 3 20:47:51.198: Se0/2/0:23 IPCP: Install route to 100.1.1.6
!--- IPCP Route for client is installed in the routing table.
3845-1#
*Sep 3 20:47:51.202: Vi1 IPCP: Add link info for cef entry 100.1.1.6
3845-1#
*Sep 3 20:47:52.166: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0/2/0:0, changed state to up
*Sep 3 20:47:52.174: %LINEPROTO-5-UPDOWN: Line protocol on Interface Virtual-Access1, changed state to up
3845-1#
3845-1#
3845-1#
3845-1#sh users
Line User Host(s) Idle Location
0 con 0 1.1.1.1 2d20h
tty 0/514 idle 2d20h 1.1.1.1
*706 vty 0 idle 00:00:00 171.69.89.61
Interface User Mode Idle Peer Address
Vi1 Preet MLP Bundle 00:00:07 100.1.1.6
Se0/2/0:0 Preet Sync PPP - Bundle: Vi1
!--- Virtual-Access Interface will be created for each multilink PPP users.
3845-1#
3845-1#sh caller timeouts
Line User Limit Remaining Timer Type
con 0 - - - -
tty 0/514 - - - -
vty 706 - 01:00:00 00:59:59 Idle Exec
Se0/2/0:0 Preet - - -
Vi1 Preet 00:10:00 00:09:16 Dialer idle
3845-1#
B)Second call from the same client is received
3845-1#
*Sep 3 20:48:53.914: ISDN Se0/2/0:23 Q931: RX <- SETUP pd = 8 callref = 0x13F0
!--- The second link in the multilink connection arrives.
Bearer Capability i = 0x8890
Standard = CCITT
Transfer Capability = Unrestricted Digital
Transfer Mode = Circuit
Transfer Rate = 64 kbit/s
Channel ID i = 0xA98382
Exclusive, Channel 2
Calling Party Number i = 0x2180, '4087775100'
Plan:ISDN, Type:National
Called Party Number i = 0x80, '83115'
Plan:Unknown, Type:Unknown
*Sep 3 20:48:53.914: ISDN Se0/2/0:23 Q931: Received SETUP callref = 0x93F0 callID = 0x000C switch = primary-5ess interface = User
*Sep 3 20:48:53.918: %LINK-3-UPDOWN: Interface Serial0/2/0:1, changed state to up
*Sep 3 20:48:53.918: %ISDN-6-CONNECT: Interface Serial0/2/0:1 is now connected to 4087775100 N/A
*Sep 3 20:48:53.918: ISDN Se0/2/0:23 Q931: TX -> CALL_PROC pd = 8 callref = 0x93F0
Channel ID i = 0xA98382
Exclusive, Channel 2
*Sep 3 20:48:53.918: ISDN Se0/2/0:23 Q931: TX -> CONNECT pd = 8 callref = 0x93F0
Channel ID i = 0xA98382
Exclusive, Channel 2
*Sep 3 20:48:53.918: Se0/2/0:1 PPP: Using dialer call direction
*Sep 3 20:48:53.918: Se0/2/0:1 PPP: Treating connection as a callin
*Sep 3 20:48:53.918: Se0/2/0:1 PPP: Session handle[64000087] Session id[11]
*Sep 3 20:48:53.918: Se0/2/0:1 PPP: Phase is ESTABLISHING, Passive Open
*Sep 3 20:48:53.918: Se0/2/0:1 LCP: State is Listen
*Sep 3 20:48:53.930: ISDN Se0/2/0:23 Q931: RX <- CONNECT_ACK pd = 8 callref = 0x13F0
*Sep 3 20:48:54.126: Se0/2/0:1 LCP: I CONFREQ [Listen] id 4 len 22
*Sep 3 20:48:54.126: Se0/2/0:1 LCP: MagicNumber 0x18D7487C (0x050618D7487C)
*Sep 3 20:48:54.126: Se0/2/0:1 LCP: MRRU 1524 (0x110405F4)
*Sep 3 20:48:54.126: Se0/2/0:1 LCP: EndpointDisc 1 Preet (0x1308015072656574)
*Sep 3 20:48:54.126: Se0/2/0:1 PPP: Authorization required
*Sep 3 20:48:54.126: Se0/2/0:1 LCP: O CONFREQ [Listen] id 2 len 28
*Sep 3 20:48:54.126: Se0/2/0:1 LCP: AuthProto CHAP (0x0305C22305)
*Sep 3 20:48:54.126: Se0/2/0:1 LCP: MagicNumber 0x29F59D32 (0x050629F59D32)
*Sep 3 20:48:54.126: Se0/2/0:1 LCP: MRRU 1524 (0x110405F4)
*Sep 3 20:48:54.130: Se0/2/0:1 LCP: EndpointDisc 1 3845-1 (0x130901333834352D31)
*Sep 3 20:48:54.130: Se0/2/0:1 LCP: O CONFACK [Listen] id 4 len 22
*Sep 3 20:48:54.130: Se0/2/0:1 LCP: MagicNumber 0x18D7487C (0x050618D7487C)
*Sep 3 20:48:54.130: Se0/2/0:1 LCP: MRRU 1524 (0x110405F4)
*Sep 3 20:48:54.130: Se0/2/0:1 LCP: EndpointDisc 1 Preet (0x1308015072656574)
*Sep 3 20:48:54.146: Se0/2/0:1 LCP: I CONFACK [ACKsent] id 2 len 28
*Sep 3 20:48:54.146: Se0/2/0:1 LCP: AuthProto CHAP (0x0305C22305)
*Sep 3 20:48:54.146: Se0/2/0:1 LCP: MagicNumber 0x29F59D32 (0x050629F59D32)
*Sep 3 20:48:54.146: Se0/2/0:1 LCP: MRRU 1524 (0x110405F4)
*Sep 3 20:48:54.146: Se0/2/0:1 LCP: EndpointDisc 1 3845-1 (0x130901333834352D31)
*Sep 3 20:48:54.146: Se0/2/0:1 LCP: State is Open
*Sep 3 20:48:54.146: Se0/2/0:1 PPP: Phase is AUTHENTICATING, by this end
*Sep 3 20:48:54.146: Se0/2/0:1 CHAP: O CHALLENGE id 1 len 27 from "3845-1"
*Sep 3 20:48:54.166: Se0/2/0:1 CHAP: I RESPONSE id 1 len 26 from "Preet"
*Sep 3 20:48:54.166: Se0/2/0:1 PPP: Phase is FORWARDING, Attempting Forward
*Sep 3 20:48:54.166: Se0/2/0:1 PPP: Phase is AUTHENTICATING, Unauthenticated User
*Sep 3 20:48:54.166: Se0/2/0:1 PPP: Sent CHAP LOGIN Request
3845-1#
*Sep 3 20:48:54.166: Se0/2/0:1 PPP: Received LOGIN Response PASS
*Sep 3 20:48:54.166: Se0/2/0:1 PPP: Phase is FORWARDING, Attempting Forward
*Sep 3 20:48:54.166: Se0/2/0:1 PPP: Phase is AUTHENTICATING, Authenticated User
*Sep 3 20:48:54.166: Se0/2/0:1 PPP: Sent LCP AUTHOR Request
*Sep 3 20:48:54.166: Se0/2/0:1 LCP: Received AAA AUTHOR Response PASS
*Sep 3 20:48:54.166: Se0/2/0:1 CHAP: O SUCCESS id 1 len 4
*Sep 3 20:48:54.166: Se0/2/0:1 PPP: Phase is VIRTUALIZED
*Sep 3 20:48:54.166: Vi1 MLP: Added link Se0/2/0:1 to bundle Preet
!--- An additional Link is now added to exiting Virtual Interface Bundle.
*Sep 3 20:48:54.166: Se0/2/0:1 PPP: Process pending ncp packets
*Sep 3 20:48:55.166: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0/2/0:1, changed state to up
!--- The second call is connected. The multilink Bundle is complete.
3845-1#
3845-1#show users
Line User Host(s) Idle Location
0 con 0 1.1.1.1 2d20h
tty 0/514 idle 2d20h 1.1.1.1
*706 vty 0 idle 00:00:00 171.69.89.61
Interface User Mode Idle Peer Address
Vi1 Preet MLP Bundle 00:00:06 100.1.1.6
Se0/2/0:0 Preet Sync PPP - Bundle: Vi1
Se0/2/0:1 Preet Sync PPP - Bundle: Vi1
!--- Virtual-Access 1 Interface is now the bundle interface of two
!--- calls mlppp from user Preet.
3845-1#show caller timeouts
Line User Limit Remaining Timer Type
con 0 - - - -
tty 0/514 - - - -
vty 706 - 01:00:00 01:00:00 Idle Exec
Se0/2/0:0 Preet - - -
Se0/2/0:1 Preet - - -
Vi1 Preet 00:10:00 00:09:50 Dialer idle
3845-1#sh int virtual-access 1
Virtual-Access1 is up, line protocol is up
Hardware is Virtual Access interface
MTU 1500 bytes, BW 128 Kbit/sec, DLY 20000 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation PPP, LCP Open, multilink Open
Open: IPCP, CDPCP
MLP Bundle vaccess, cloned from Serial0/2/0:23
Vaccess status 0x40, loopback not set
Keepalive set (10 sec)
DTR is pulsed for 5 seconds on reset
Time to interface disconnect: idle 00:09:38
Last input 00:00:21, output never, output hang never
Last clearing of "show interface" counters 00:34:39
Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0
Queueing strategy: weighted fair
Output queue: 0/1000/64/0 (size/max total/threshold/drops)
Conversations 0/1/256 (active/max active/max total)
Reserved Conversations 0/0 (allocated/max allocated)
Available Bandwidth 96 kilobits/sec
5 minute input rate 0 bits/sec, 0 packets/sec
5 minute output rate 0 bits/sec, 0 packets/sec
112 packets input, 12090 bytes, 0 no buffer
Received 0 broadcasts, 0 runts, 0 giants, 0 throttles
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort
112 packets output, 12730 bytes, 0 underruns
0 output errors, 0 collisions, 0 interface resets
0 unknown protocol drops
0 output buffer failures, 0 output buffers swapped out
0 carrier transitions
3845-1#
3845-1#show dialer map
Dynamic dialer map ip 100.1.1.6 name Preet () on Se0/2/0:23
!--- Observe the Dynamic Dialer Maps created for each dialin client.
3845-1#show ppp multilink
Virtual-Access1
Bundle name: Preet
Remote Username: Preet
Remote Endpoint Discriminator: [1] Preet
Local Username: 3845-1
Local Endpoint Discriminator: [1] 3845-1
Bundle up for 00:00:53, total bandwidth 128, load 5/255
Receive buffer limit 24384 bytes, frag timeout 1524 ms
Dialer interface is Serial0/2/0:23
0/0 fragments/bytes in reassembly list
0 lost fragments, 0 reordered
0/0 discarded fragments/bytes, 0 lost received
0x2E2 received sequence, 0x2E2 sent sequence
Member links: 2 (max not set, min not set)
Se0/2/0:0, since 00:00:53
Se0/2/0:1, since 00:00:09
No inactive multilink interfaces
3845-1#
3845-1#
3845-1#show caller user Preet detailed
User: Preet, line Se0/2/0:0, service PPP
Connected for 00:01:31, Idle for 00:00:00
Timeouts: Limit Remaining Timer Type
- - -
PPP: LCP Open, multilink Open, CHAP (<-)
LCP: -> peer, AuthProto, MagicNumber, MRRU, EndpointDisc
<- peer, MagicNumber, MRRU, EndpointDisc
NCP: Closed IPCP, CDPCP
Dialer: Connected to 4087775100, inbound
Type is ISDN, group Se0/2/0:23
IP: Local 100.1.1.1
Bundle: Member of Preet
Counts: 1485 packets input, 101323 bytes, 0 no buffer
3 input errors, 3 CRC, 0 frame, 0 overrun
1485 packets output, 101089 bytes, 0 underruns
0 output errors, 0 collisions, 0 interface resets
User: Preet, line Se0/2/0:1, service PPP
Connected for 00:00:48, Idle for 00:00:02
Timeouts: Limit Remaining Timer Type
- - -
PPP: LCP Open, multilink Open, CHAP (<-)
LCP: -> peer, AuthProto, MagicNumber, MRRU, EndpointDisc
<- peer, MagicNumber, MRRU, EndpointDisc
Dialer: Connected to 4087775100, inbound
Type is ISDN, group Se0/2/0:23
IP: Local 100.1.1.1
Bundle: Member of Preet
Counts: 1015 packets input, 58709 bytes, 0 no buffer
0 input errors, 0 CRC, 0 frame, 0 overrun
1016 packets output, 58605 bytes, 0 underruns
0 output errors, 0 collisions, 0 interface resets
User: Preet, line Vi1, service MLP Bundle
Connected for 00:01:31, Idle for 00:00:25
Timeouts: Limit Remaining Timer Type
00:10:00 00:09:34 Dialer idle
PPP: LCP Open, multilink Open, IPCP, CDPCP
LCP: -> peer
<- peer
NCP: Open IPCP, CDPCP
IPCP: <- peer, Address
-> peer, Address
Dialer: Connected to 4087775100, inbound
Type is IN-BAND SYNC, group Se0/2/0:23
IP: Local 100.1.1.1, remote 100.1.1.6
Bundle: Bundle Preet, 2 links
Counts: 1112 packets input, 116090 bytes, 0 no buffer
0 input errors, 0 CRC, 0 frame, 0 overrun
1112 packets output, 128812 bytes, 0 underruns
0 output errors, 0 collisions, 0 interface resets
Analog call
*Sep 2 19:05:57.321: ISDN Se0/2/0:23 Q931: RX <- SETUP pd = 8 callref = 0x13B5
Bearer Capability i = 0x9090A2
Standard = CCITT
Transfer Capability = 3.1kHz Audio
Transfer Mode = Circuit
Transfer Rate = 64 kbit/s
Channel ID i = 0xA98381
Exclusive, Channel 1
Progress Ind i = 0x8083 - Origination address is non-ISDN
Calling Party Number i = 0x2183, '4089559247'
Plan:ISDN, Type:National
Called Party Number i = 0x80, '83115'
Plan:Unknown, Type:Unknown
*Sep 2 19:05:57.321: ISDN Se0/2/0:23 Q931: Received SETUP callref = 0x93B5 callID = 0x0004 switch = primary-5ess interface = User
*Sep 2 19:05:57.325: CSM: MODEM_REPORT from 0/2/0:0, call_id=0x4, event=0x1, cause=0x0, dchan_idb=0x67F90F14
*Sep 2 19:05:57.325: CSM: called_number '83115' modem_pool 6881CDB4 deny_call FALSE
*Sep 2 19:05:57.325: CSM: Next free modem = 0/517; statbits = 10020
*Sep 2 19:05:57.325: Modem 0/517 CSM: modem is allocated, modems free=-1
*Sep 2 19:05:57.325: Modem 0/517 CSM: Incoming call from 4089559247 to 83115, id 0x4
*Sep 2 19:05:57.325: Modem 0/517 CSM: (CSM_PROC_IDLE)<--ISDN_CALL
*Sep 2 19:05:57.325: ISDN Se0/2/0:23 Q931: TX -> CALL_PROC pd = 8 callref = 0x93B5
Channel ID i = 0xA98381
Exclusive, Channel 1
*Sep 2 19:05:57.325: ISDN Se0/2/0:23 Q931: TX -> ALERTING pd = 8 callref = 0x93B5
*Sep 2 19:05:57.325: ISDN Se0/2/0:23 Q931: TX -> CONNECT pd = 8 callref = 0x93B5
*Sep 2 19:05:57.337: ISDN Se0/2/0:23 Q931: RX <- CONNECT_ACK pd = 8 callref = 0x13B5
*Sep 2 19:05:57.337: CSM: MODEM_REPORT from 0/2/0:0, call_id=0x4, event=0x4, cause=0x0, dchan_idb=0x67F90F14
*Sep 2 19:05:57.337: Modem 0/517 CSM: MODEM_REPORT rcvd DEV_CONNECTED for call_id 0x4
*Sep 2 19:05:57.337: Modem 0/517 CSM: (CSM_PROC_MODEM_RESERVED)<--ISDN_CONNECTED
*Sep 2 19:05:57.337: Modem 0/517 CSMV12: SETUP(Answer) ISDN 0/2:0
*Sep 2 19:05:57.337: Modem 0/517 CSMV12: configured for Answer(Mu-law) mode, with Null signaling, 0x0 tone detection
*Sep 2 19:05:57.337: Modem 0/517 CSMV12: INIT(Answer) ISDN 0/2:0
*Sep 2 19:05:57.337: %ISDN-6-CONNECT: Interface Serial0/2/0:0 is now connected to 4089559247 N/A
*Sep 2 19:05:57.369: CSM: csm_modem_event called
*Sep 2 19:05:57.369: Modem 0/517 CSM: (CSM_PROC_WAIT_FOR_CARRIER)<--CSM_EVENT_MODEM_SETUP
*Sep 2 19:06:14.729: CSM: csm_modem_event called
*Sep 2 19:06:14.729: Modem 0/517 CSM: (CSM_PROC_WAIT_FOR_CARRIER)<--MODEM_CONNECTED
*Sep 2 19:06:14.733: Modem 0/517 CSMV12: CONNECT at 26400/28800 (Tx/Rx), V.34, LAP-M, V44
*Sep 2 19:06:14.741: TTY0/517: DSR came up
*Sep 2 19:06:14.741: TTY0/517: no timer type 1 to destroy
*Sep 2 19:06:14.741: TTY0/517: no timer type 0 to destroy
*Sep 2 19:06:14.741: TTY0/517: no timer type 2 to destroy
*Sep 2 19:06:14.741: tty0/517: Modem: IDLE->(unknown)
*Sep 2 19:06:16.741: %LINK-3-UPDOWN: Interface Async0/517, changed state to up
*Sep 2 19:06:16.741: As0/517 PPP: Using dialer call direction
*Sep 2 19:06:16.741: As0/517 PPP: Treating connection as a callin
*Sep 2 19:06:16.741: As0/517 PPP: Session handle[40000035] Session id[1]
*Sep 2 19:06:16.741: As0/517 PPP: Phase is ESTABLISHING, Passive Open
*Sep 2 19:06:16.741: As0/517 LCP: State is Listen
*Sep 2 19:06:16.769: As0/517 LCP: I CONFREQ [Listen] id 4 len 20
*Sep 2 19:06:16.769: As0/517 LCP: ACCM 0x000A0000 (0x0206000A0000)
*Sep 2 19:06:16.769: As0/517 LCP: MagicNumber 0x33B55A2B (0x050633B55A2B)
*Sep 2 19:06:16.769: As0/517 LCP: PFC (0x0702)
*Sep 2 19:06:16.769: As0/517 LCP: ACFC (0x0802)
*Sep 2 19:06:16.769: As0/517 PPP: Authorization required
*Sep 2 19:06:16.769: As0/517 LCP: O CONFREQ [Listen] id 1 len 25
*Sep 2 19:06:16.769: As0/517 LCP: ACCM 0x000A0000 (0x0206000A0000)
*Sep 2 19:06:16.769: As0/517 LCP: AuthProto CHAP (0x0305C22305)
*Sep 2 19:06:16.769: As0/517 LCP: MagicNumber 0x24714CC4 (0x050624714CC4)
*Sep 2 19:06:16.769: As0/517 LCP: PFC (0x0702)
*Sep 2 19:06:16.769: As0/517 LCP: ACFC (0x0802)
*Sep 2 19:06:16.769: As0/517 LCP: O CONFACK [Listen] id 4 len 20
*Sep 2 19:06:16.769: As0/517 LCP: ACCM 0x000A0000 (0x0206000A0000)
*Sep 2 19:06:16.769: As0/517 LCP: MagicNumber 0x33B55A2B (0x050633B55A2B)
*Sep 2 19:06:16.769: As0/517 LCP: PFC (0x0702)
*Sep 2 19:06:16.769: As0/517 LCP: ACFC (0x0802)
*Sep 2 19:06:16.969: As0/517 LCP: I CONFACK [ACKsent] id 1 len 25
*Sep 2 19:06:16.969: As0/517 LCP: ACCM 0x000A0000 (0x0206000A0000)
*Sep 2 19:06:16.969: As0/517 LCP: AuthProto CHAP (0x0305C22305)
*Sep 2 19:06:16.969: As0/517 LCP: MagicNumber 0x24714CC4 (0x050624714CC4)
*Sep 2 19:06:16.969: As0/517 LCP: PFC (0x0702)
*Sep 2 19:06:16.969: As0/517 LCP: ACFC (0x0802)
*Sep 2 19:06:16.969: As0/517 LCP: State is Open
*Sep 2 19:06:16.969: As0/517 PPP: Phase is AUTHENTICATING, by this end
*Sep 2 19:06:16.969: As0/517 CHAP: O CHALLENGE id 1 len 27 from "3845-1"
*Sep 2 19:06:17.173: As0/517 CHAP: I RESPONSE id 1 len 27 from "1800-1"
*Sep 2 19:06:17.173: As0/517 PPP: Phase is FORWARDING, Attempting Forward
*Sep 2 19:06:17.173: As0/517 PPP: Phase is AUTHENTICATING, Unauthenticated ser
*Sep 2 19:06:17.173: As0/517 PPP: Sent CHAP LOGIN Request
*Sep 2 19:06:17.173: As0/517 PPP: Received LOGIN Response PASS
*Sep 2 19:06:17.173: As0/517 PPP: Phase is FORWARDING, Attempting Forward
*Sep 2 19:06:17.173: As0/517 PPP: Phase is AUTHENTICATING, Authenticated User
*Sep 2 19:06:17.173: As0/517 PPP: Sent LCP AUTHOR Request
*Sep 2 19:06:17.173: As0/517 PPP: Sent IPCP AUTHOR Request
*Sep 2 19:06:17.173: As0/517 LCP: Received AAA AUTHOR Response PASS
*Sep 2 19:06:17.173: As0/517 IPCP: Received AAA AUTHOR Response PASS
*Sep 2 19:06:17.173: As0/517 CHAP: O SUCCESS id 1 len 4
*Sep 2 19:06:17.173: As0/517 PPP: Phase is UP
*Sep 2 19:06:17.173: As0/517 IPCP: O CONFREQ [Closed] id 1 len 10
*Sep 2 19:06:17.173: As0/517 IPCP: Address 100.1.1.1 (0x030664010101)
*Sep 2 19:06:17.173: As0/517 PPP: Process pending ncp packets
*Sep 2 19:06:17.349: As0/517 IPCP: I CONFREQ [REQsent] id 1 len 10
*Sep 2 19:06:17.349: As0/517 IPCP: Address 0.0.0.0 (0x030600000000)
3845-1(config-if)#
*Sep 2 19:06:17.349: As0/517 AAA/AUTHOR/IPCP: Start. Her address 0.0.0.0, we ant 0.0.0.0
*Sep 2 19:06:17.349: As0/517 AAA/AUTHOR/IPCP: Done. Her address 0.0.0.0, we want 0.0.0.0
*Sep 2 19:06:17.349: As0/517 IPCP: Pool returned 100.1.1.2
*Sep 2 19:06:17.349: As0/517 IPCP: O CONFNAK [REQsent] id 1 len 10
*Sep 2 19:06:17.349: As0/517 IPCP: Address 100.1.1.2 (0x030664010102)
*Sep 2 19:06:17.529: As0/517 IPCP: I CONFREQ [REQsent] id 2 len 10
*Sep 2 19:06:17.529: As0/517 IPCP: Address 100.1.1.2 (0x030664010102)
*Sep 2 19:06:17.529: As0/517 IPCP: O CONFACK [REQsent] id 2 len 10
*Sep 2 19:06:17.529: As0/517 IPCP: Address 100.1.1.2 (0x030664010102)
*Sep 2 19:07:17.609: As0/517 IPCP: I CONFACK [ACKsent] id 17 len 10
*Sep 2 19:07:17.609: As0/517 IPCP: Address 100.1.1.1 (0x030664010101)
*Sep 2 19:07:17.609: As0/517 IPCP: State is Open
*Sep 2 19:07:17.609: As0/517 IPCP: Install route to 100.1.1.2
*Sep 2 19:07:17.609: As0/517 IPCP: Add link info for cef entry 100.1.1.2
3845-1#
3845-1#
3845-1#
3845-1#sh users
Line User Host(s) Idle Location
0 con 0 1.1.1.1 2d22h
tty 0/517 Param Async interface 00:00:04 PPP: 100.1.1.2
*706 vty 0 idle 00:00:00 10.1.1.1
Interface User Mode Idle Peer Address
3845-1#sh caller user Param detailed
User: Param, line tty 0/517, service Async
Active time 00:01:20
Timeouts: Limit Remaining Timer Type
- - -
TTY: Line 0/517, running PPP on As0/517
Location: PPP: 100.1.1.2
Line: Baud rate (TX/RX) is 115200/115200, no parity, 2 stopbits, 8 databits
Status: Ready, Active, No Exit Banner, Async Interface Active
Capabilities: Modem Callout, Modem RI is CD,
Line usable as async interface, Integrated Modem
Modem State: Ready
User: Param, line As0/517, service PPP
Connected for 00:01:18, Idle for 00:01:18
Timeouts: Limit Remaining Timer Type
00:05:00 00:03:41 Dialer idle
PPP: LCP Open, multilink Closed, CHAP (<-), IPCP
LCP: -> peer, ACCM, AuthProto, MagicNumber, PCompression, ACCompression
EndpointDisc
<- peer, ACCM, MagicNumber, PCompression, ACCompression
NCP: Open IPCP
IPCP: <- peer, Address
-> peer, Address
Dialer: Connected, inbound
Type is IN-BAND ASYNC, group As0/517
IP: Local 100.1.1.1, remote 100.1.1.2
Counts: 222 packets input, 3182 bytes, 0 no buffer
0 input errors, 0 CRC, 0 frame, 0 overrun
39 packets output, 547 bytes, 0 underruns
0 output errors, 0 collisions, 0 interface resets
3845-1#sh dialer map
Dynamic dialer map ip 100.1.1.2 name Param () on As0/517