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Cisco Bug: CSCuo99185 - Multiple IOS-XE CPP Ucode crashes due to invalid static route

Last Modified

Jan 29, 2017

Products (1)

  • Cisco ASR 1000 Series Aggregation Services Routers

Known Affected Releases

15.3(3)S

Description (partial) 

Symptom:
When PE receives a packet with the destination of CE's interface's address, PE router crashes.

Conditions:
topo:
CE(1.1.1.1)------PE1------(mpls)--------PE2
there is a static ip route on PE1: ip route vrf xxx 1.1.1.1 255.255.255.255 3.3.3.3. and 3.3.3.3 is the PE1's VRRP address. Then PE2 sends traffic with dst address 1.1.1.1 to PE1 and PE1 crashes.
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