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Changing MTU Size on CUCM 1

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CaseFile

Technical User
Oct 6, 2011
121
US
We have a new circuit to a remote site, and wanted to put an IP phone there. But the new circuit requires a 1400 MTU I am told. Is there a way to change the MTU after we are installed (for a year now). Would I change the Pub, and 2 Subs, or is there a way to send 1400 MTU out the new circuit that will please CUCM ? Any input is appreciated
 
You change it from the command line using the command:
Set network mtu

You will lose network connectivity from that server temporarily and you need to do enter the command on all cucm servers.
 
Thanks Whykap.
That is the answer I wanted to hear
 
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