is there anyway for me to setup my Cisco 1720 router to have two dhcp pools.So when one pool runs out of IP addresses, the other pools will assign?Basically I have external IP addresses I want assigned first. But if those run out(I only have 12) I n...

I have been having a VPN issue recently and after speaking with my service prodvider they informed me that since I'm using NAT on my router and pptp I need to use NAT Passthrough.I'm not sure how to configure this on a Cisco 1720 router running IOS 1...

I recently swapped out service providers and routers at a remote location.Now they cannot connect to a third party vendors VPN. I have the following statements in my access listpermit gre any anypermit tcp any host ipaddyvendor eq 1723They keep rece...

Basically, I configured NAT on my Cisco 1720 series router. it works fine when I assign an ip address to the serial 0 interface. However as soon as I remove that ip address and use the ip unnumbered FastEthernet0/0 command on serial 0 and it wont' ...