Block Access to CUCM for SRST Testing?

[pkrysinski]

Hello,

I was curious if anyone could tell me how to block access to our CUCM servers for the purposes of testing SRST fall-back?

I am trying to apply an access-list to do this from a core 3750 stack.

Any help provided is greatly appreciated, thank you!

[Dennis Mink · Accepted solution]

I use this method all the time, just go

deny ip     log

permit ip any any

of course you can leave the log statement out. but its good to use to check if your acl works.

apply this acl on your layer 3 interface on the gateway out of your phones' subnet

if you give me the subnets you use, we can work out the actual ACL

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