Hello all

We are happily running 0.7.2 net5501s on our sites. They each have PSTN
cards, but communication between them is via IAX2 over the external NICs
connected to ADSL (the only internet connection available to us in our rural
locations).

We currently have separate machines which run our VPNs (and firewalls, DHCP,
and web proxies) on separate ADSL lines, but these machines are
licence-encumbered (in a manner of speaking). I am interested in
investigating using our Astlinux boxes instead. However, given that the
connections are ADSL (0.8Mbps uplink), I cannot share VoIP and VPN over one
line.

Is it possible to enable a second external interface in 0.7.2 - I seem to
remember EXT2IF being mentioned in the past - using NIC1 for VoIP and NIC 2
for everything else, especially VPN and client PC internet access?

If this were possible, how would the net5501-70s be likely to perform under
this load? Our head office VPN box currently runs 5 IPSec tunnels to other
offices, and 15 L2TP road warrior connections, the latter with never that
many concurrent - perhaps around 5 max, two or three normally.

Thanks

Tom


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