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Community Member

PBR Issue Cisco 2 x ISP problems

I a situation with and 1800 router setup for dual ISP access managed by PBR.

1 x FE Interface (SDSL-EASYNET) and 1 x ATM/Dialer (BT)

This was working ok before we upgraded the 1 x FE connection from ADSL - SDSL (same ISP and same IPs as before).

If I remove the PBR I can ping the tracked IP from the FE interface. However, if I shut down then start the FE interface the "track" remains down.

I have the following config - not sure how to debug this and it driving me mad!

( - bbc IP)

interface FastEthernet0

description $ETH-LAN$

ip address 195.172.x.x

ip nat outside

duplex auto

speed auto

interface Vlan1

description $ETH-SW-LAUNCH$$INTF-INFO-FE 1$

ip address

ip nat inside

ip sla 1

icmp-echo source-interface FastEthernet0

timeout 10000

threshold 2

frequency 15

ip sla schedule 1 life forever start-time now

track 100 rtr 1 reachability

ip local policy route-map LOCAL_POLICY

ip route track 100

ip route Dialer0 254

access-list 101 permit icmp any host echo

access-list 40 remark IPs for NAT policy

access-list 40 permit

ip nat inside source route-map ispA interface FastEthernet0 over

ip nat inside source route-map ispB interface Dialer0 overload


route-map LOCAL_POLICY permit 10

match ip address 101

set interface Null0

set ip next-hop


route-map ispB permit 10

match ip address 40

match interface Dialer0


route-map ispA permit 10

match ip address 40

match interface FastEthernet0


Community Member

Re: PBR Issue Cisco 2 x ISP problems

Hi ,

i think you have a high timeout. Let the timeout

, threshold and frequency with the default values and it will work.

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