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ISIS node may be in show isis node reported as SR not capable, although it's SR capable: ISIS level-2 node information for R2.00 IP router ID: 2.2.2.2 (LSP #0) IP interface address: 2.2.2.2 (LSP #0) Flex-Algo 128: PQ 2.2.2.2, SID 23 R:0 N:1 P:0 E:0 V:0 L:0 Flex-Algo 129: PQ 2.2.2.2, SID 24 R:0 N:1 P:0 E:0 V:0 L:0 Adj-sid from R2.00 to R1 adj-sid 16 (LSP #4) adj-sid 18 (LSP #6) Adj-sid from R2.00 to R5 adj-sid 223 (LSP #6) Adj-sid from R2.00 to R6 adj-sid 17 (LSP #6) LSP index: 1 SRGB start[0]: 16000, SRGB range[0]: 8000 (LSP #1) SRLB start[0]: 15000, SRLB range[0]: 1000 (LSP #1) SR capable: No, Strict-SPF capable: No (LSP #0) ^^^^^^^^^^^^^^^^^ SR capable info is not stable, sometimes it shows Yes, sometimes No. NOTE: Issue has no functional impact, but it may be confusing for operators.
ISIS configured. Segment-routing configured. Seen in larger networks where ISIS node originates more than one LSP fragment.
NA
Please consider all IOS versions and platforms supporting SR affected. NOTE: Issue has no functional impact, but it may be confusing for operators.
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