"Marking interface dirty"

[saad-hamza]

Dears

i have WLC 5508 showing the below Logs , which prevent the users from connecting to the SSIDs , also its disconnecting the associted users

DHCP Socket Task: Jul 11 09:54:08.992: %SIM-3-DHCP_SERVER_NO_REPLY: sim_interface.c:1039 Failed to get DHCP response on interface 'interface-02'. Marking interface dirty.

*mmListen: Jul 11 09:54:08.638: %MM-3-INVALID_PKT_RECVD: mm_listen.c:7671 Received an invalid packet from 10.21.1.25. Source member:0.0.0.0. source member unknown.

it shows 3 to 4 times durring 1 hour ,

any idea about the problem , and what exactly Dirty interface means ??

[Scott Fella]

This might help:

https://supportforums.cisco.com/message/3681501#3681501

[Scott Fella]

haha... just noticed that you started that thread..... If the interface is marked dirty, its usually a sign that the dhcp if full and not dhcp response was received.  Again, this is only with interface groups.