Ebm-3 - Cisco Catalyst 4500 Series System Message Manual

Chapter 2 Messages and Recovery Procedures
Error Message C4K_EBM-3-CANTALLOCATEPORTHOSTENTRY:No port host table memory to add
entry for addr [mac-addr] / [mac-addr]
Error Message C4K_EBM-3-CANTALLOCATEVLANGROUPENTRY:No vlan group table memory to add
entry for addr %ea
Error Message C4K_EBM-3-CANTALLOCATEVLANHOSTENTRY:No vlan host table memory to add
entry for addr %ea
EBM-4
Error Message C4K_EBM-4-HOSTFLAPPING: Host [mac-addr] in vlan [dec] is flapping
between port [char] and port [char]
Error Message C4K_EBM-4-MAXHOSTCHKPTMESSAGEQSIZEEXCEEDED: Backlog of checkpoint
message waiting to be synced to standby has exceeded pre-defined limits. The host
table may become out-of-sync with active.
OL-13091-01
There is insufficient memory for this internal data structure.
Explanation
Recommended Action Install additional memory.
There is insufficient memory to support additional Layer 2 group entries corresponding
Explanation
to IP multicast groups.
Install additional memory. If memory is unavailable, turn off Cisco Group
Recommended Action
Management Protocol (CGMP)/Internet Group Management Protocol (IGMP).
There is insufficient memory to support additional host addresses.
Explanation
Install additional memory.
Recommended Action
The specified host is detected as a source address on multiple ports. Typically, a host is
Explanation
supposed to be learned on only one port. A spanning tree loop is the most common cause of this
condition. All traffic from the specified host is temporarily dropped. After 15 seconds, forwarding
is reenabled. If the problem persists, the traffic from the problem host continues to be dropped
indefinitely.
Make sure that spanning tree is enabled to prevent spanning tree loops. If you
Recommended Action
have spanning tree disabled, make sure that you have no spanning tree loops in your network.
The active supervisor engine is overloaded and unable to synchronize host messages to
Explanation
the standby supervisor engine or the standby supervisor engine is not in the proper state.
Recommended Action Examine syslog messages from the active supervisor engine and standby
supervisor engine to determine if any errors have been reported.
Catalyst 4500 Series Switch Cisco IOS System Message Guide
EBM Messages
2-31