Would like to know whether using an HSRP standby IP is a valid source interface for VTI. We’ll have 2 ASR 1001 routers at the hub site running HSRP, and VTI tunnels to the spoke sites. Would like to maintain VTI in the event of a switchover to standby router. Is this possible, or do I have to maintain two distinct tunnels and use a dynamic routing protocol to re-route traffic that way? Thanks
I've read in a blog post that VTI sourced from a virtual IP address wasn't supported, but the post was 5 years old. I haven't been able to find a definitive answer to the question, one way or the other though.
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