While doing the recording with IBM MQ transport protocol , the proxy queues should be updated at client end only or at the server end as well?
If I understand the question correctly, the client is changed to use the request / response proxy queues. DevTest Recorder and/or VSE (virtual service) point to the live queue(s). More discussion here:
Basic Proxy Recording - DevTest Solutions - 10.3 - CA Technologies Documentation
Retrieving data ...