[c-nsp] Tracking state of non-directly connected link

[Velimir Filipov]

Hello.

You could use ip sla and object tracking to achieve that.

http://www.cisco.com/c/en/us/td/docs/ios/dial/configuration/guide/12_2sr/dia_12_2sr_book/dia_rel_stc_rtg_bckup.html


> Hello,


> What would be the best method of actively/passively keeping track of
> validity of static route over GPON interfaces for example?

> We want to give an option of backup floating static route over backup
> interface, but need to be aware of primary link failure.

> I could think of something like static bfd, which isn't available on all
> platforms, or maybe GRE tunnel will keepalives?

> Regards