I am having an issue trying to configure ip dhcp snooping. I have a windows dhcp server on my server room switch (6500). All of my vlan interfaces are on my core (6500) with helper ip addresses. I have enabled snooping, trusted the port the dhcp s...

I have NAT running in my environment for a couple of LAN segments. NAT was working fine but I have an issue all of a sudden with NAT packets being dropped. NAT is working correctly because I am receiving translations etc. It seems that only 60% of...

I am using a FWSM in transparent mode on a 6509 and I am running into issues using the Microsoft VPN client with NAT. Currently, I have NAT setup on my router and when I try to VPN to an outside VPN server I cannot get authenticated. If I try the ...

I have a PIX 501 that has been working great but on my PC today I lost connectivity. When I looked at my PIX the VPN light was blinking rapidly. I did not have VPN setup but everytime it gets plugged in the VPN light is the only LED that lights up ...

I am currently using a dual core setup with HSRP between two 6509 switches. When Core A goes down everything fails over to Core B quite gracefully. When Core A comes back online my Edge and WAN switch loses all of its EIGRP routes with the Core rou...