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Beginner

Dual ISP on Cisco 881

Hi.

 I have config on cisco 881 for two ISP. Hi is correct? One master and the second standby

FastEthernet4 - 1 ISP

Vlan50             - 2 ISP

track 11 ip sla 100 reachability
delay down 120 up 180
!
track 12 ip sla 200 reachability
delay down 120 up 180

ip route 0.0.0.0 0.0.0.0 х.х.х.х track 11
ip route 0.0.0.0 0.0.0.0 х.х.х.х 20 track 12

ip sla 100
icmp-echo 8.8.8.8 source-interface FastEthernet4 
frequency 5
ip sla schedule 100 life forever start-time now
ip sla 200
icmp-echo 8.8.8.8 source-interface Vlan50
frequency 5
ip sla schedule 200 life forever start-time now

route-map ISP1_10 permit 100
match ip address 10
match interface FastEthernet4
!
route-map ISP2_10 permit 100
match ip address 10
match interface Vlan50

Standard IP access list 10

10 permit 192.168.1.0, wildcard bits 0.0.0.255

Here, the internal network 

4 REPLIES 4
VIP Mentor

Hi looks correct  , if there

Hi looks correct  , if there is an issue another way to set it to perform a check is under the route-maps instead of match interface you could use set ip next hop verify reachability x.x.x.x track x

example in this of what your doing

http://letusexplain.blogspot.com/2014/04/ip-sla-tracking-configuration-with.html

Highlighted
Beginner

route-map ISP1_10 permit

route-map ISP1_10 permit 100
match ip address 10
match interface FastEthernet4
!
route-map ISP2_10 permit 100
match ip address 10
match interface Vlan50

What permit 100? Is this correct? I do not understand what 100?

VIP Mentor

its just the sequence number

its just the sequence number if you don't add it  it will pick one for you starting with 10 usually as below ,usually you go in 10s not 100s but it does not matter


SWA(config)#route-map mark
SWA(config-route-map)#do sh run | s route-map mark
route-map mark permit 10
SWA(config-route-map)#

Beginner

Thank you for your help;)

Thank you for your help;)

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