Failover on a router

Answered Question
Mar 12th, 2008
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hi all

just wondering is it possible to have failover on router similar to how it is poss on an ASA? at present we have only one router which routes via 3 poss internet connections depending on netwrk add, but what if that router dies?? even i wont be able to get in via SSH to do anything..so to avoid this im looking for a failober router. All help would be appreciated


Regards


Correct Answer by massimiliano.se... about 9 years 1 month ago

Hi,

You can implement HSRP (Hot Standby Routing Protocol) which it is similar to active/standby failover mode in ASA world; there is one router "active" and one router in standby..if the active "dies" the standby take the role of active.

Here is a link for configuring HSRP: http://www.cisco.com/en/US/docs/ios/ipapp/configuration/guide/ipapp_hsrp.html

HSRP is Cisco proprietary. If you want use a standard with functionality similar, but not equal, to HSRP, you must choose VRRP. Here is a link: http://www.cisco.com/en/US/docs/ios/ipapp/configuration/guide/ipapp_vrrp.html

If you want a protocol similar to active/active failover mode in ASA world you have to use GLBP (Gateway Load Balancing Protocol). Here is the link: http://www.cisco.com/en/US/docs/ios/ipapp/configuration/guide/ipapp_glbp.html#wp1054488

I hope this helps.

Best regards.

Massimiliano.

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Correct Answer
massimiliano.se... Wed, 03/12/2008 - 10:17
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Hi,

You can implement HSRP (Hot Standby Routing Protocol) which it is similar to active/standby failover mode in ASA world; there is one router "active" and one router in standby..if the active "dies" the standby take the role of active.

Here is a link for configuring HSRP: http://www.cisco.com/en/US/docs/ios/ipapp/configuration/guide/ipapp_hsrp.html

HSRP is Cisco proprietary. If you want use a standard with functionality similar, but not equal, to HSRP, you must choose VRRP. Here is a link: http://www.cisco.com/en/US/docs/ios/ipapp/configuration/guide/ipapp_vrrp.html

If you want a protocol similar to active/active failover mode in ASA world you have to use GLBP (Gateway Load Balancing Protocol). Here is the link: http://www.cisco.com/en/US/docs/ios/ipapp/configuration/guide/ipapp_glbp.html#wp1054488

I hope this helps.

Best regards.

Massimiliano.

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