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Catalyst 4500 Series Switch Cisco IOS System Message Guide Release 12.2(31)SGA
OL-11541-01
Chapter 2 Messages and Recovery Procedures
SW-VLAN Messages
Error Message SW_DAI-4-PACKET_RATE_EXCEEDED: [dec] packets received in [dec]
milliseconds on [char].
Explanation
The switch received [dec] number of ARP packets in the specified duration on the given
interface above the exceeded packet rate. This message is logged just before the interface entered
the errdisabled state and when the burst interval is set to one second.
Recommended Action This is an informational message only. No action is required.
Error Message SW_DAI-4-SPECIAL_LOG_ENTRY: [dec] Invalid ARP packets [%CC]
Explanation
The switch received [dec] number of ARP packets that the ARP inspection considers
invalid. The packets are invalid, and their presence may be an indication of “man-in-the-middle”
attacks attempted on the network. This message displays when the rate of incoming packets exceed
the DAI logging rate.
Recommended Action This is an informational message only. No action is required.
SW_DAI-6
Error Message SW_DAI-6-ACL_PERMIT: [dec] ARPs (Req) on [chars], vlan [chars].
Explanation The switch received ARP packets that have been permitted because of an ACL match.
Recommended Action This is an informational message only. No action is required.
Error Message SW_DAI-6-DHCP_SNOOPING_PERMIT: [dec] ARPs (Req) on [chars], vlan
[chars]
Explanation The switch received ARP packets that have been permitted because the IP and MAC
address for the sender match against the DHCP snooping database for the received VLAN.
Recommended Action This is an informational message only. No action is required.
SW-VLAN Messages
This section contains the Switch VLAN Manager (SW-VLAN) messages.
SW-VLAN-3
Error Message SW_VLAN-3-MALLOC_FAIL: Failed to allocate [dec] bytes
Explanation
Memory allocation failed.
Recommended Action