Hi All,
Our company just purchased an NEC telephone system with VoIP capabilities that we'd like to setup with ASL 3 and 4 systems, so that the VoIP traffic is routed across our VPN connections to the phone system in the corresponding remote office. Because this traffic is very latency sensitive, we'd like to use TOS and QOS to identify and prioritize all VoIP packets going through the firewall.
Our VoIP system lets us set the TOS bit on VoIP packets, but I can't find any information on, or reference to, TOS in ASL 3 or 4. Can anyone tell me if ASL supports TOS and if so, how to implement it on ASL 3 and 4 firewalls (GUI or command line)?
Our VoIP system uses the following ports:
1720/tcp
6000:7000/udp
We can't use QOS by itself because ASL won't accept a destination port range (for udp ports 6000-7000). QOS only seems to work when a single desination port is specified.
Any info or suggestions would be very much appreciated!
Thanks!
--Matt
This thread was automatically locked due to age.