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WLC and WCS - SNMP issues over PAT

I'm currently researching an issue we have with SNMP communications between Wireless Control System (WCS) and remote Wireless LAN Controllers (WLC) (WLC-NM with 2811 router) in which when Port Address Translation (PAT) is used the Getbulk SNMP requests from the WCS ends in the WLC responses becoming fragmented and only a partial response being recieved by the WCS. That being the first part of the fragmentation and the second part being dropped at the router FE interface.

Has anyone else come across this issue? Or may be problems with SNMP getbulk requests over NAT/PAT in general?

Regards,

Mick

1 REPLY
Hall of Fame Super Gold

Re: WLC and WCS - SNMP issues over PAT

Hi,

Do you have "ip virtual-reassembly" under nat outside interface ? That is the only thing I can think _may_ be needed.

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