Newbie x Cisco IOS-XR x ROV: BCP to not harassing peer(s) and upstream(s)
Mark Tinka
mark at tinka.africa
Wed May 11 17:29:04 UTC 2022
On 5/11/22 18:53, Job Snijders via NANOG wrote:
> Hi!
>
> In current versions I think enabling “soft-reconfiguration-inbound
> always” (also described at
> https://bgpfilterguide.nlnog.net/guides/reject_invalids/#cisco-ios-xr
> ) should be enough.
>
> Make sure to enable it on every EBGP peer you apply ROV to, or just
> all EBGP peers.
>
> This knob slightly increase your own memory consumption, but makes
> your router more “neighbourly”! :-)
Just to add that this is useful on all eBGP speakers based on IOS XR.
It's not required in Junos, because Junos does this implicitly.
A draft RFC we co-authored attempts to offer a solution:
https://www.ietf.org/archive/id/draft-ietf-sidrops-rov-no-rr-01.txt
Mark.
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