Cisco IE-3000-8TC Message Manual page 23

Chapter 2 Message and Recovery Procedures
Error Message DHCP_SNOOPING-4-DHCP_SNOOPING_PVLAN_WARNING: DHCP Snooping
configuration may not take effect on secondary vlan [dec]. [chars]
Explanation
primary VLAN automatically propagates to all the secondary VLANs. [dec] is the VLAN ID of the
secondary VLAN, and [chars] is the warning.
Recommended Action
Error Message DHCP_SNOOPING-4-IP_SOURCE_BINDING_NON_EXISTING_VLAN_WARNING: IP
source binding is configured on non existing vlan [dec].
Explanation
been configured yet. [dec] is the VLAN.
Recommended Action
Error Message DHCP_SNOOPING-4-IP_SOURCE_BINDING_PVLAN_WARNING: IP source filter may
not take effect on secondary vlan [dec] where IP source binding is configured.
[chars].
Explanation
automatically propagates to all secondary VLANs. [dec] is the secondary VLAN, and [chars] is the
warning.
Recommended Action
Error Message DHCP_SNOOPING-4-NTP_NOT_RUNNING: NTP is not running; reloaded binding
lease expiration times are incorrect.
Explanation
not running, the calculated lease duration for the bindings is incorrect.
Recommended Action
system clock. Then disable and re-enable DHCP snooping to clear the DHCP snooping binding
database.
Error Message DHCP_SNOOPING-4-QUEUE_FULL: Fail to enqueue DHCP packet into
processing queue: [chars], the queue is most likely full and the packet will be
dropped.
Explanation
These DHCP packets are dropped to prevent a denial of service attack. [chars] is the warning.
Recommended Action
OL-13020-01
If the private VLAN feature is configured, the DHCP snooping configuration on the
No action is required.
The message means that an IP source binding was configured on a VLAN that has not
No action is required.
If private VLANs are configured, the IP-source-guard filter on the primary VLAN
No action is required.
If the DHCP snooping database agent loads the DHCP snooping bindings and NTP is
Configure NTP on the switch to provide an accurate time and date for the
The CPU is receiving DHCP at a higher rate than the DHCP snooping can process.
No action is required.
DHCP_SNOOPING Messages
Cisco IE 3000 Switch System Message Guide
2-9