Recently there was a topic when ewe tried to set up Cisco 1760 as SIP-to-SIP Gateway. It was dan successfully. But now a new problem arises.
(Softwsitch) <---------int-> (Cisco1760) <-ext---------> (Customer).
We customized all, ll worked fine and the last trait - to protect External Interface from Customer. We decided to bind to ext something simple like that:
access-list 100 permit udp host 192.168.0.2 gt 1024 host 192.168.0.1 gt 1024
The Voice lost immediately. By probing method I conclude that as I set up ANY access list right up to
access-list 2 permit any
I have a trouble.
What could it be?
Moreover "int" interface has the similar access-list and this is not an issue.
Kind regards,
Ellad Yatsko