09-28-2013 11:29 AM - edited 03-04-2019 09:10 PM
Hi. I am trying to connect my 877 to my ISP for internet. The PPP light and the CD light is steady on. I contacted my ISP and they say that I am Syncing successfully, but I am still unable to connect to the internet. See below my config and some debugs. The sh ip route were taken shortly after each other. I am getting the IP and route from the ISP, but it just disappears from the routing table. I have tried updating the dsl firmware but the problem is still the same. Thanks for any assistance.
CONFIG
Current configuration : 3833 bytes
!
! No configuration change since last restart
!
version 12.4
no service pad
service timestamps debug datetime msec
service timestamps log datetime msec
service password-encryption
!
hostname MYROUTER
!
boot-start-marker
boot-end-marker
!
no logging buffered
enable secret 5 $1$lCyH$IIt0sEL8Ib5gDO7dRzxjD1
!
no aaa new-model
!
dot11 syslog
ip cef
no ip dhcp use vrf connected
ip dhcp excluded-address 172.16.1.1 172.16.1.20
!
ip dhcp pool INTERNAL_NET
network 172.16.1.0 255.255.255.0
default-router 172.16.1.1
lease 7
!
!
ip domain name aknet.net
ip name-server 196.48.34.190
ip name-server 196.48.53.190
!
!
ip ssh version 2
!
!
!
interface ATM0
no ip address
no atm ilmi-keepalive
dsl operating-mode auto
!
interface ATM0.1 point-to-point
pvc 8/35
oam-pvc manage
pppoe-client dial-pool-number 1
!
!
interface FastEthernet0
!
interface FastEthernet1
!
interface FastEthernet2
!
interface FastEthernet3
!
interface Vlan1
ip address 172.16.1.1 255.255.255.0
ip nat inside
ip virtual-reassembly
ip tcp adjust-mss 1412
!
interface Dialer0
ip address dhcp hostname MYROUTER
ip mtu 1452
ip nat outside
ip virtual-reassembly
no cdp run
encapsulation ppp
dialer pool 1
dialer-group 1
ppp authentication pap callin
ppp pap sent-username <username> password 7 <password>
ppp ipcp route default
ppp ipcp address accept
!
no ip forward-protocol nd
ip route 0.0.0.0 0.0.0.0 Dialer0
!
ip http server
ip http authentication local
ip http secure-server
ip nat inside source list 1 interface Dialer0 overload
!
access-list 1 remark INSIDE_IF=Vlan1
access-list 1 remark CCP_ACL Category=2
access-list 1 permit 172.16.1.0 0.0.0.255
dialer-list 1 protocol ip permit
!
!
!
control-plane
PPP DEBUG
Sep 28 15:11:13.696: Di0 LCP: Not allowed on a Dialer Profile
Sep 28 15:11:13.700: Di0 PPP: Phase is DOWN, Setup
Sep 28 15:11:44.035: %DIALER-6-BIND: Interface Vi1 bound to profile Di0
Sep 28 15:11:44.035: Vi1 PPP: Phase is DOWN, Setup
Sep 28 15:11:44.035: Vi1 PPP: Using dialer call direction
Sep 28 15:11:44.035: Vi1 PPP: Treating connection as a callout
Sep 28 15:11:44.035: Vi1 PPP: Session handle[46000004] Session id[0]
Sep 28 15:11:44.035: Vi1 PPP: Phase is ESTABLISHING, Active Open
Sep 28 15:11:44.035: Vi1 PPP: Authorization required
Sep 28 15:11:44.039: Vi1 PPP: No remote authentication for call-out
Sep 28 15:11:44.051: Vi1 LCP: O CONFREQ [Closed] id 1 len 10
Sep 28 15:11:44.051: Vi1 LCP: MagicNumber 0x64493F29 (0x050664493F29)
Sep 28 15:11:44.051: %LINK-3-UPDOWN: Interface Virtual-Access1, changed state to up
Sep 28 15:11:44.063: Vi1 LCP: I CONFACK [REQsent] id 1 len 10
Sep 28 15:11:44.063: Vi1 LCP: MagicNumber 0x64493F29 (0x050664493F29)
Sep 28 15:11:46.020: Vi1 LCP: Timeout: State ACKrcvd
Sep 28 15:11:46.020: Vi1 LCP: O CONFREQ [ACKrcvd] id 2 len 10
Sep 28 15:11:46.020: Vi1 LCP: MagicNumber 0x64493F29 (0x050664493F29)
Sep 28 15:11:46.024: Vi1 LCP: I CONFREQ [REQsent] id 2 len 18
Sep 28 15:11:46.028: Vi1 LCP: MRU 1492 (0x010405D4)
Sep 28 15:11:46.028: Vi1 LCP: AuthProto PAP (0x0304C023)
Sep 28 15:11:46.028: Vi1 LCP: MagicNumber 0x62B78C3B (0x050662B78C3B)
Sep 28 15:11:46.028: Vi1 LCP: O CONFNAK [REQsent] id 2 len 8
Sep 28 15:11:46.028: Vi1 LCP: MRU 1500 (0x010405DC)
Sep 28 15:11:46.032: Vi1 LCP: I CONFACK [REQsent] id 2 len 10
Sep 28 15:11:46.032: Vi1 LCP: MagicNumber 0x64493F29 (0x050664493F29)
Sep 28 15:11:46.040: Vi1 LCP: I CONFREQ [ACKrcvd] id 3 len 18
Sep 28 15:11:46.040: Vi1 LCP: MRU 1500 (0x010405DC)
Sep 28 15:11:46.040: Vi1 LCP: AuthProto PAP (0x0304C023)
Sep 28 15:11:46.040: Vi1 LCP: MagicNumber 0x62B78C3B (0x050662B78C3B)
Sep 28 15:11:46.040: Vi1 LCP: O CONFACK [ACKrcvd] id 3 len 18
Sep 28 15:11:46.040: Vi1 LCP: MRU 1500 (0x010405DC)
Sep 28 15:11:46.044: Vi1 LCP: AuthProto PAP (0x0304C023)
Sep 28 15:11:46.044: Vi1 LCP: MagicNumber 0x62B78C3B (0x050662B78C3B)
Sep 28 15:11:46.044: Vi1 LCP: State is Open
Sep 28 15:11:46.044: Vi1 PPP: No authorization without authentication
Sep 28 15:11:46.044: Vi1 PPP: Phase is AUTHENTICATING, by the peer
Sep 28 15:11:46.044: Vi1 PAP: Using hostname from interface PAP
Sep 28 15:11:46.044: Vi1 PAP: Using password from interface PAP
Sep 28 15:11:46.044: Vi1 PAP: O AUTH-REQ id 1 len 38 from "username"
Sep 28 15:11:46.144: Vi1 PAP: I AUTH-ACK id 1 len 5
Sep 28 15:11:46.148: Vi1 PPP: Phase is FORWARDING, Attempting Forward
Sep 28 15:11:46.148: Vi1 PPP: Phase is ESTABLISHING, Finish LCP
Sep 28 15:11:46.148: Vi1 PPP: Phase is UP
Sep 28 15:11:46.148: Vi1 IPCP: O CONFREQ [Closed] id 1 len 10
Sep 28 15:11:46.148: Vi1 IPCP: Address 0.0.0.0 (0x030600000000)
Sep 28 15:11:46.148: Vi1 CDPCP: O CONFREQ [Closed] id 1 len 4
Sep 28 15:11:46.148: Vi1 PPP: Process pending ncp packets
Sep 28 15:11:46.148: Vi1 IPCP: I CONFREQ [REQsent] id 1 len 10
Sep 28 15:11:46.148: Vi1 IPCP: Address 105.224.80.1 (0x030669E05001)
Sep 28 15:11:46.152: Vi1 IPCP: O CONFACK [REQsent] id 1 len 10
Sep 28 15:11:46.152: Vi1 IPCP: Address 105.224.80.1 (0x030669E05001)
Sep 28 15:11:46.160: Vi1 IPCP: I CONFNAK [ACKsent] id 1 len 10
Sep 28 15:11:46.160: Vi1 IPCP: Address 105.227.81.157 (0x030669E3519D)
Sep 28 15:11:46.160: Vi1 IPCP: O CONFREQ [ACKsent] id 2 len 4
Sep 28 15:11:46.164: Vi1 LCP: I PROTREJ [Open] id 4 len 10 protocol CDPCP (0x820701010004)
Sep 28 15:11:46.164: Vi1 CDPCP: State is Closed
Sep 28 15:11:46.164: Vi1 CDPCP: State is Listen
Sep 28 15:11:46.176: Vi1 IPCP: I CONFACK [ACKsent] id 2 len 4
Sep 28 15:11:46.176: Vi1 IPCP: State is Open
Sep 28 15:11:46.176: Di0 IPCP: Install route to 105.224.80.1
Sep 28 15:11:46.176: Vi1 IPCP: Add link info for cef entry 105.224.80.1
Sep 28 15:11:47.148: %LINEPROTO-5-UPDOWN: Line protocol on Interface Virtual-Access1, changed state to up
MYROUTER#
SH IP ROUTE 1
MYROUTER#sh ip route
Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2
i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
ia - IS-IS inter area, * - candidate default, U - per-user static route
o - ODR, P - periodic downloaded static route
Gateway of last resort is 105.224.80.1 to network 0.0.0.0
172.16.0.0/24 is subnetted, 1 subnets
C 172.16.1.0 is directly connected, Vlan1
105.0.0.0/32 is subnetted, 1 subnets
C 105.224.80.1 is directly connected, Dialer0
S* 0.0.0.0/0 [1/0] via 105.224.80.1
is directly connected, Dialer0
SH IP ROUTE 2
MYROUTER#sh ip route
Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2
i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
ia - IS-IS inter area, * - candidate default, U - per-user static route
o - ODR, P - periodic downloaded static route
Gateway of last resort is 0.0.0.0 to network 0.0.0.0
172.16.0.0/24 is subnetted, 1 subnets
C 172.16.1.0 is directly connected, Vlan1
S* 0.0.0.0/0 is directly connected, Dialer0
SH IP ROUTE 3
MYROUTER#sh ip route
Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2
i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
ia - IS-IS inter area, * - candidate default, U - per-user static route
o - ODR, P - periodic downloaded static route
Gateway of last resort is not set
172.16.0.0/24 is subnetted, 1 subnets
C 172.16.1.0 is directly connected, Vlan1
Solved! Go to Solution.
09-29-2013 02:35 PM
Andre,
Use "ip address negotiated" instead of "ip address dhcp hostname MYROUTER" under the Dialer0 interface
09-29-2013 02:35 PM
Andre,
Use "ip address negotiated" instead of "ip address dhcp hostname MYROUTER" under the Dialer0 interface
09-29-2013 02:41 PM
Thank you Daniel. I will try that. Any idea why the route is disappearing from the routing table?
09-29-2013 03:19 PM
Hi. Thanks for your assistance. It seems that the DHCP was working, but then the connection was dropped after. That is the reason why it was taken out of the routing table. After I set the interface ip to "ip address negotiate" the route stayed in the table, and the connection is now working. I needed to reconfigure my NAT and name servers, but all is working now. Thank you for your assistance.
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