Cisco Bug: CSCus98916 - BGP Vinci: For 0.0.0.0/0, BGP installs non-best/multi paths in URIB
Feb 15, 2018
- Cisco Nexus 7000 Series Switches
Known Affected Releases
Symptom: In a vinci setup, customer is not able to chose one out of two Border Leaf because URIB is doing ECMP for both paths learnt via BGP. Conditions: 1. Two paths in BGP vrf table for 0.0.0.0/0 from two Border Leaf. 2. First path is marked as best-path. 3. Second path is not marked as multi-path or best-path 4. BGP installs both paths in URIB vrf table. 5. URIB sees both paths having exact same metrics and interprets ECMP.
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Bug Details Include
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