topic Re: Need assistance with troubleshooting Routing between 2 VR's that are connected via BGP in General Topics

Need assistance with troubleshooting Routing between 2 VR's that are connected via BGP

JOSEPHTHOMAS1991 — Tue, 04 Feb 2025 05:44:03 GMT

Hi,

We have two VR's setup NSWHealth_VR and HSP_VR and there is BGP connectivity between them. We can see routes are exchanged between them. However, for one particluar route eg: 10.24.x.x/13 on HSP_VR we can see it on the loc-rib but not on the RIB-out.

All other routes are working fine. Only this particular subnet is having issue. We have checked the BGP import/export filters on both VR's and no issue is seen as other routes are working fine
Can you advise possible troubleshooting steps.

Re: Need assistance with troubleshooting Routing between 2 VR's that are connected via BGP

JayGolf — Thu, 06 Feb 2025 03:58:32 GMT

Hi @JOSEPHTHOMAS1991 ,

You've verified your import/export filters on both VRs are good to go so the particular route should be eligible for advertisement if its the best route. I would review the routes and verify that the route in question isn't currently being shadowed by another route that might have a better metric/local pref. It could be that you have an overarching route that is getting selected as the best path.