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Webcast-Catalyst9k
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Backup for two routers

How to use two router backup for each other use the different WAN ?

1 REPLY
New Member

Re: Backup for two routers

1. I'm not sure of your question. You can use HSRP between Ethernet interfaces going into the same switch. See below:

router 1# config t

router 1# (config) int e0

ip address 1.2.3.2 255.255.255.0

standby 1 timers 3 10

standby 1 priority 105 preempt delay 300

standby 1 authentication 1020301

standby 1 ip 1.2.3.1

router 2# config t

router 2# (config) int e0

ip address 1.2.3.3 255.255.255.0

standby 1 timers 3 10

standby 1 priority 100 preempt delay 300

standby 1 authentication 1020301

standby 1 ip 1.2.3.1

2. If you have two data circuits, one per router, there is redundancy for each router.

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