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Cisco Bug: CSCul78081 - Traffic loss on some VLANs when configure 128 groups per bundle int

Last Modified

May 25, 2018

Products (1)

  • Cisco Carrier Routing System

Known Affected Releases

4.2.3.BASE

Description (partial)

Symptom:
When configuring FHRP operation over a bundle interface traffic drops can be seen during failover or start/stop events.

- Configure 128 sub interfaces on bundle interfaces 
- Configure 128 groups on the same bundle interface under VRRP
- You will see traffic drop on some VLANs when doing SSO or shut/no shut of the bundle interface
- This message may be seen : hsrp[1076]: %IP-FHRP-3-ERR_MAX_MAC : Maximum MAC address filters for interface Bundle-Ether10 exceeded

Conditions:
Use of an FHRP over a bundle interface.
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