I work at a good-sized University. For one of our remote sites (down the street), we had comcast cable internet installed and are using an ASA 5505 in a site-site configuration with a 5520 on campus. We have a Catalyst 2948XL switch that all of the users connect to, which is connected to the ASA. The problem is, we cannot get DHCP relay to work at this remote site at all. On the vlan that all users are connected to at that site, I issued "ip helper-address <address of dhcp server>". For whatever reason, our computers are not able to pull an address from the dhcp server. For the time being, we have had to define a scope in the asa, which works, but is not a permanent solution.
Has anyone had experience with dhcp relay over a site to site vpn, and if so, what all is needed?
Thanks!
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