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Cisco Bug: CSCvs70087 - Null0 route created for summary disappears from routing table, although summary still injected

Last Modified

Feb 19, 2020

Products (1)

  • Cisco Carrier Routing System

Known Affected Releases


Description (partial)

Prefixes that are summarized on L1/L2 routers are unreachable from L2 routers as a result of the summary null route being lost in the rib.

- summary-prefix command is used
- MPLS label is allocated/advertised for the summary-prefix by LDP
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