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Cisco Bug: CSCsz23927 - SYS-3-CPUHOG TB on RP2/FP20 with ISG/multicast sessions

Last Modified

Feb 05, 2017

Products (1)

  • Cisco IOS

Known Affected Releases


Description (partial)


SYS-3-CPUHOG causes router crash when you configure multicast sessions along with ISG sessions

1. Bring up 12K qinq PTA/ISG based sessions
2. Bring up 12k sessions/6K tunnels LNS/ISG based sessions
3. Bring up 8K multicast sessions PTA/ISG based sessions
4. create streams with destination address (multicast address) on 8K multicast sessions 
5. send traffic any where between 25% of line rate to 50% of line rate
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Bug Details Include

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