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detect reachability of the static route's next hop

Does anyone know how does Cisco router

detect reachability of the static route's next hop?

1 ACCEPTED SOLUTION

Accepted Solutions
Cisco Employee

Re: detect reachability of the static route's next hop

Victor,

If the next hop is through a directly connected interface, the router will keep the static route in the RIB as long as the interface is up, regardless whether the next hop is reachable or not.

Please refer to the following feature, which can be used to track the availability of the next hop.

http://www.cisco.com/en/US/docs/ios/12_3/12_3x/12_3xe/feature/guide/dbackupx.html

Regards

Harold Ritter
Sr. Technical Leader
CCIE 4168 (R&S, SP)
harold@cisco.com
México móvil: +52 1 55 8312 4915
Cisco México 
Paseo de la Reforma 222 Piso 19
Cuauhtémoc, Juárez
Ciudad de México, 06600
México
1 REPLY
Cisco Employee

Re: detect reachability of the static route's next hop

Victor,

If the next hop is through a directly connected interface, the router will keep the static route in the RIB as long as the interface is up, regardless whether the next hop is reachable or not.

Please refer to the following feature, which can be used to track the availability of the next hop.

http://www.cisco.com/en/US/docs/ios/12_3/12_3x/12_3xe/feature/guide/dbackupx.html

Regards

Harold Ritter
Sr. Technical Leader
CCIE 4168 (R&S, SP)
harold@cisco.com
México móvil: +52 1 55 8312 4915
Cisco México 
Paseo de la Reforma 222 Piso 19
Cuauhtémoc, Juárez
Ciudad de México, 06600
México
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