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Cisco Bug: CSCtf28690 - label and rib-update threads taking high cpu

Last Modified

May 13, 2018

Products (1)

  • Cisco Carrier Routing System

Known Affected Releases


Description (partial)

Label and RIB threads were taking 10% cpu each when vpnv4 routes flaps are sent to UUT even though the prefixes are dropped by UUT (via inbound RT check)

Route flaps were sent from RR to PE. The flapped nets were such that the
RTs associated with the nets did not match any import RTs on the vrfs
configured on the PE. hence all the updates were dropped. However it was observed
that Label and RIB threads were taking 10% cpu each.
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