pdiblasi
asked on
using road runner as a backup to serial connection on cisco 2611
Our current configuration is a cisco 2600 series router with a t1 as our primary connection. We are only utilizing one ethernet port ethernet0/0 as our internal gatway 192.168.0.1. I would like to setup ethernet0/1 as backup to the t1 using a ip address from a dsl\rr connection. The IP address is static. I'm not concerned about routing the email and all that stuff, just want the internet to work in the event that the t1 fails. Any help would be appreciated.
I have configured two floating routes giving different costs and it seems to work for about 10 sec and then drops the packets. I have included my router config below:
2611#show run
Building configuration...
Current configuration : 1428 bytes
!
version 12.1
no service single-slot-reload-enable
service timestamps debug uptime
service timestamps log uptime
no service password-encryption
!
hostname 2611
!
enable secret
!
!
!
!
!
ip subnet-zero
!
ip audit notify log
ip audit po max-events 100
!
!
!
interface Loopback0
no ip address
ip nat outside
!
interface Ethernet0/0
ip address 192.168.0.1 255.255.255.0
ip access-group 122 in
ip access-group 122 out
no ip proxy-arp
ip nat inside
no ip mroute-cache
load-interval 30
no keepalive
half-duplex
no cdp enable
!
interface Serial0/0
description T1
ip address 65.120.203.249 255.255.255.252
no ip mroute-cache
load-interval 30
no fair-queue
service-module t1 timeslots 1-24
!
interface Ethernet0/1
description backup connection
ip address 24.227.46.240 255.255.255.252
ip access-group 122 in
ip access-group 122 out
no ip proxy-arp
ip nat outside
no ip mroute-cache
no keepalive
half-duplex
no cdp enable
!
ip nat inside source list 1 interface Ethernet0/1 overload
ip classless
ip route 0.0.0.0 0.0.0.0 65.120.203.250 50
ip route 0.0.0.0 0.0.0.0 24.227.46.239 100
ip http server
!
access-list 1 permit any
access-list 122 permit ip any any
!
line con 0
password xxxxxx
login
line aux 0
line vty 0 4
timeout login response 0
password xxxxxx
absolute-timeout 30
login
!
end
I have configured two floating routes giving different costs and it seems to work for about 10 sec and then drops the packets. I have included my router config below:
2611#show run
Building configuration...
Current configuration : 1428 bytes
!
version 12.1
no service single-slot-reload-enable
service timestamps debug uptime
service timestamps log uptime
no service password-encryption
!
hostname 2611
!
enable secret
!
!
!
!
!
ip subnet-zero
!
ip audit notify log
ip audit po max-events 100
!
!
!
interface Loopback0
no ip address
ip nat outside
!
interface Ethernet0/0
ip address 192.168.0.1 255.255.255.0
ip access-group 122 in
ip access-group 122 out
no ip proxy-arp
ip nat inside
no ip mroute-cache
load-interval 30
no keepalive
half-duplex
no cdp enable
!
interface Serial0/0
description T1
ip address 65.120.203.249 255.255.255.252
no ip mroute-cache
load-interval 30
no fair-queue
service-module t1 timeslots 1-24
!
interface Ethernet0/1
description backup connection
ip address 24.227.46.240 255.255.255.252
ip access-group 122 in
ip access-group 122 out
no ip proxy-arp
ip nat outside
no ip mroute-cache
no keepalive
half-duplex
no cdp enable
!
ip nat inside source list 1 interface Ethernet0/1 overload
ip classless
ip route 0.0.0.0 0.0.0.0 65.120.203.250 50
ip route 0.0.0.0 0.0.0.0 24.227.46.239 100
ip http server
!
access-list 1 permit any
access-list 122 permit ip any any
!
line con 0
password xxxxxx
login
line aux 0
line vty 0 4
timeout login response 0
password xxxxxx
absolute-timeout 30
login
!
end
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