[LARTC] Traffic control on a single interface

[Tom Smith <tom71713-misc@inqone.com>]

I'm in the process of replacing a Novell server that had a single NIC 
and routed traffic from our local network to either the Internet or to 
the Corporate office. I have this configuration working now but we've 
run in to some bandwidth problems.

The server that I have set up now is Linux. It uses a different IP for 
Samba than for the DNS/DHCP and routing (different VMs in VMware 
Server). What I'd like to do is configure the traffic control to do 
several things:

1) It needs to be able to control traffic leaving our local network and 
going to either Corporate (via point-to-point T-1) or the Internet (via 
fractional T-1).
2) It needs to be able to control traffic coming IN TO our network from 
remote VPN connections.
3) Telnet and SSH traffic should be real time.
4) All other local traffic (that is, traffic not leaving our local 
network) needs to be real time AND at local network speeds.

It there a good way to achieve these goals given that the router only 
has one NIC in it?

Or might there be a better way of doing this?

Thanks, in advance, for your help.

~ Tom
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