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Cisco 819 - Cellular 0 goes down when Interface Goes Up

ncastro05
Level 1
Level 1

Hello,

I've been able to activate and configure the Cisco 819 router to connect to Verizon via interface Cellular 0 but when I connect a laptop to the router, int Cell 0 goes down.

Here's a snippet of what happens after I connect a laptop:

rt1#ping 8.8.8.8

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 8.8.8.8, timeout is 2 seconds:

.

Jan 24 23:27:38.843: %LINK-3-UPDOWN: Interface Cellular0, changed state to up.!!!

Success rate is 60 percent (3/5), round-trip min/avg/max = 160/164/168 ms

rt1#

Jan 24 23:27:38.883: %LINEPROTO-5-UPDOWN: Line protocol on Interface Cellular0, changed state to up

rt1#ping 8.8.8.8

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 8.8.8.8, timeout is 2 seconds:

!!!!!

Success rate is 100 percent (5/5), round-trip min/avg/max = 164/180/212 ms

rt1#ping 8.8.8.8

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 8.8.8.8, timeout is 2 seconds:

!!!!!

Success rate is 100 percent (5/5), round-trip min/avg/max = 172/203/256 ms

rt1#

Jan 24 23:28:03.083: %LINK-3-UPDOWN: Interface FastEthernet0, changed state to up

Jan 24 23:28:04.083: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0, changed state to up

rt1#

Jan 24 23:28:16.755: %LINEPROTO-5-UPDOWN: Line protocol on Interface Cellular0, changed state to down

rt1#

Jan 24 23:28:18.755: %LINK-5-CHANGED: Interface Cellular0, changed state to reset

rt1#

Jan 24 23:28:23.799: %LINK-3-UPDOWN: Interface Cellular0, changed state to down

rt1#

Jan 24 23:28:32.119: %LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan1, changed state to up

rt1#

Thank you for your help!

Edit: Here's the current config:

Building configuration...

Current configuration : 5818 bytes

!

! No configuration change since last restart

version 15.1

service timestamps debug datetime msec

service timestamps log datetime msec

service password-encryption

!

hostname ########

!

boot-start-marker

boot-end-marker

!

!

logging buffered 51200 warnings

enable secret 5 #####################

!

no aaa new-model

!

clock timezone CST -6 0

clock summer-time CDT recurring

crypto pki token default removal timeout 0

!

crypto pki trustpoint TP-self-signed-###############

enrollment selfsigned

subject-name cn=IOS-Self-Signed-Certificate-#########

revocation-check none

rsakeypair TP-self-signed-#########

!

!

crypto pki certificate chain TP-self-signed-##############

certificate self-signed 01

##########

        quit

ip source-route

ip cef

!

!

!

ip dhcp excluded-address ###########

!

ip dhcp pool ccp-pool

import all

network ######### #########

default-router ##########

lease 0 2

!

ip dhcp pool ccp

!

!

no ip domain lookup

ip domain name ems.evgonetwork.com

no ipv6 cef

!

!

multilink bundle-name authenticated

vpdn enable

!

vpdn-group 1

!

chat-script cdma "" "ATDT#777" TIMEOUT 60 "CONNECT"

license udi pid C819G-V-K9 sn ##########

!

!

username ####### secret 5 ###################

!

!

!

!

controller Cellular 0

!

!

!

!

!

!

!

!

interface Loopback0

ip address ######### #########

!

interface Cellular0

ip address negotiated

encapsulation ppp

dialer in-band

dialer idle-timeout 30

dialer string cdma

dialer-group 1

no peer default ip address

async mode interactive

ppp chap password 7 #############

!

interface FastEthernet0

description DreamPlug

no ip address

!

interface FastEthernet1

description HMI Display

no ip address

!

interface FastEthernet2

description HMI Display

no ip address

!

interface FastEthernet3

description POE Switch / Cameras

no ip address

!

interface GigabitEthernet0

no ip address

shutdown

duplex auto

speed auto

!

interface Serial0

no ip address

shutdown

clock rate 2000000

!

interface Vlan1

description default

no ip address

ip tcp adjust-mss 1452

!

ip forward-protocol nd

ip http server

ip http access-class 23

ip http authentication local

ip http secure-server

ip http timeout-policy idle 60 life 86400 requests 10000

!

!

ip route 0.0.0.0 0.0.0.0 Cellular0

!

access-list 1 permit any

dialer-list 1 protocol ip list 1

no cdp run

!

!

!

!

snmp-server location ########

snmp-server contact #############

!

control-plane

!

banner login ^C

********************************************************************************

This computer system, including all related equipment, are provided for

authorized use only. Use of this computer system, authorized or unauthorized,

constitutes your consent to monitoring. Unauthorized use may subject you

to criminal prosecution. If you are not authorized to access this system,

disconnect now.

********************************************************************************

^C

!

line con 0

logging synchronous

login local

line aux 0

line 3

exec-timeout 0 0

script dialer cdma

login

modem InOut

no exec

rxspeed 3100000

txspeed 1800000

line vty 0 4

access-class 23 in

privilege level 15

logging synchronous

login local

transport input telnet ssh

!

scheduler allocate 20000 1000

end

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