Cisco Bug: CSCun01256 - BGP: ORF not synced to standby after proc restart bgp on standby
Aug 01, 2018
- Cisco Carrier Routing System
Known Affected Releases
Symptom:When an ORF message with multiple prefix lists is exchanged between neighbors or during nsr sync, it caused session reset or missing received prefix-filter list on the standby. Conditions:In the following 2 conditions, this problem could show: 1. when ORF receiver receives a Route Refresh message packed with more than one ORF filters (i.e., ORF TYPE + Length of ORF entries + ORF entries), bgp session will be reset. 2. when proc restart bgp on standby of ORF receiver, received prefix-filter is lost on standby. These 2 conditions are due to the incorrect decoding of the ORF message when it contains multiple prefix lists.
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