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Catalyst Supervisor Engine 32 PISA Cisco IOS System Message Guide, Release 12.2ZY
OL-11469-02
Chapter 2 Messages and Recovery Procedures
DIAG Messages
DHCP_SNOOPING-5
Error Message %DHCP_SNOOPING-5-DHCP_SNOOPING_MATCH_MAC_FAIL: [chars] drop message
because the chaddr doesn’t match source mac, message type: [chars], chaddr:
[enet], MAC sa: [enet]
Explanation
DHCP snooping enables match-source-mac validation and the check has failed. There
maybe a malicious host trying to carry out a DOS attack on the DHCP server.
Recommended Action No action is required. This message is for informational purposes only.
Error Message %DHCP_SNOOPING-5-DHCP_SNOOPING_NONZERO_GIADDR: [chars] drop message
with non-zero giaddr or option82 value on untrusted port, message type: [chars],
MAC sa: [enet]
Explanation
DHCP snooping discovers a DHCP packet with an option value that is not allowed on
an untrusted port. A malicious host may be trying to act as a DHCP relay or server.
Recommended Action No action is required. This message is for informational purposes only.
Error Message %DHCP_SNOOPING-5-DHCP_SNOOPING_UNTRUSTED_PORT: [chars] drop message
on untrusted port, message type: [chars], MAC sa: [enet]
Explanation
DHCP snooping discovers a DHCP packet with an option value that is not allowed on
an untrusted port. A malicious host may be trying to act as a DHCP relay or server.
Recommended Action No action is required. This message is for informational purposes only.
DIAG Messages
This section contains Online Diagnostics (DIAG) messages.
DIAG-3
Error Message %DIAG-3-ALWAYS_ENABLE_TEST: [chars]: The users are not allow to
disable monitoring for Test #[dec]
Explanation
The specified health monitoring test cannot be disabled.
Recommended Action No action is required. The system is working properly.
Error Message %DIAG-3-FIXED_INTERVAL_TEST: [chars]: The users are not allow to
change monitoring interval of Test #[dec]
Explanation
The specified health monitoring test interval cannot be changed.
Recommended Action No action is required. The system is working properly.