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Cisco Bug: CSCvi69541 - "SID/Index/Label" Field Size in BGP Link-State Prefix-SID TLV for ISIS did not follow V&L Flags

Last Modified

Feb 07, 2019

Products (1)

  • Cisco ASR 9000 Series Aggregation Services Routers

Known Affected Releases


Description (partial)

The "SID/Index/Label" Field Size in ISIS Prefix-SID TLV is 4 octet, matching T&V flag(By default the flag is UNSET in Prefix-SID TLV).
But in BGP LS update for ISIS SR, this "SID/Index/Label" Field of Prefix-SID TLV is only 3 octect, though T&V flag is still unset.

Customer use BGP LS to send ISIS segment routing topology info.
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