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Cisco Bug: CSCuo27084 - FAT PW - "flow-label code 17" for VPLS with BGP AD/LDP signalling

Last Modified

Feb 21, 2018

Products (1)

  • Cisco ASR 9000 Series Aggregation Services Routers

Known Affected Releases

5.2.1.BASE

Description (partial)

Symptom:
traffic loss will be experienced

Conditions:
Customer has L2vpn PE with bgp-ad / ldp signalling and FAT PW (xr 4.2.3) configured between  nodes in their live deployment , this is ~ 200nodes. An issue will occur when  deploying >4.3.2 nodes into this network or when customer will upgrade to >4.3.2 as during this process the network will be mixed 4.2.3 and higher. This will lead to traffic loss due to mismatch TLV value in the flow-code.
For bgp-ad / ldp signalling there is no cli for setting the flow-label code to dec17
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