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Catalyst 4500 Series Switch Cisco IOS System Message Guide
OL-13091-01
Chapter 2 Messages and Recovery Procedures
DHCP SNOOPING Messages
Error Message DHCP_SNOOPING-4-DHCP_SNOOPING_DATABASE_FLASH_WARNING: Saving DHCP
snooping bindings to [char] can fill up your device causing the writes of bindings
to device
Explanation
Saving DHCP snooping bindings to a flash file system such as bootflash or slot0 could
cause the flash to fill up. Possible consequences include a long delay to regain a console connection,
write failures for database configurations, regular squeeze requirements, and reduced life of flash
due to regular squeeze operations.
Recommended Action Save the DHCP snooping bindings to an alternate destination. Possible
locations for the database agent include a TFTP or FTP server. Please see the command line help for
a complete list of options.
Error Message DHCP_SNOOPING-4-DHCP_SNOOPING_RATE_LIMIT_EXCEEDED: The interface
[char] is receiving more than the threshold set
Explanation
This message indicates that DHCP packets are coming into the CPU at a much higher
rate than the specified threshold.
Recommended Action This is an informational message only. No action is required.
Error Message DHCP_SNOOPING-4-INVALID_RELEASE_OR_DECLINE_PKT: The interface [char]
has received a DHCP Release/Decline packet with no existing binding entry for it
Explanation This message indicates that a DHCP Release/Decline packet was received with no
corresponding binding entry.
Recommended Action This is an informational message only. No action is required.
Error Message DHCP_SNOOPING-4-OPTION82_INSERTION_FAIL: The interface [char] is not
able to insert opt82 into the packet because of insufficient space in the packet
Explanation
This message indicates that certain data was not inserted into a DHCP packet due t o
insufficient space in the packet.
Recommended Action This is an informational message only. No action is required.
Error Message DHCP_SNOOPING-4-DHCP_SNOOPING_ERRDISABLE_WARNING: DHCP Snooping
received [dec] DHCP packets on interface [char]
Explanation
DHCP snooping detected a DHCP packet rate-limit violation on the specified interface.
The interface will be placed in the errdisable state.
Recommended Action This is an informational message only. No action is required.
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