Cisco Bug: CSCuo24824 - BVI egress non-recursive traffic will be lost if ingress is MPLS Trident
Jul 21, 2018
- Cisco ASR 9000 Series Aggregation Services Routers
Known Affected Releases
4.3.1.FWDG 4.3.2.FWDG 4.3.4.FWDG 5.1.0.FWDG 5.1.1.FWDG 5.2.0.BASE
Symptom: Traffic for prefixes learnt over BVI is dropped. Conditions: (1) The ASR9K is running the following IOS-XR releases 4.3.1 4.3.2 4.3.4 5.1.0 5.1.1 (2) The ASR9K chassis is one of the following: ASR-9006 ASR-901x ASR-902x (3) Traffic is bound to prefixes learnt over BVI. The traffic is entering the ASR9K via the "low scale" Ethernet line cards over MPLS core. The Ingress line cards have the following PIDs: (a)A9K.*-L (b)A9K.*-B, (c)A9K.*-LE (4) Routing protocols are configured over BVI Static route is pointing to BVI as next hop.
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Bug Details Include
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