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I have a 4500 router with an ethernet interface connected to a 3548 switch. I am seeing very high interface resets on the router interface (98 in 4 days). I am confused on why the router interface keeps resetting. The switch on the other end of th...
I am trying to find out how to measure the utilization on a 100mb serial link between two sites that are connected with 4500 routers and 3548 switches. I can't seem to find any good documentation on the site unless I'm searching incorrectly. Thank...
I don't know how to fix the problem of DNS not working through the PIX firewall. We have an internal DNS server and our ISP hosts external DNS servers. Would this work? Apply an ACL on the Inside interface that looks like:access-list 101 permit tcp...
Users are connecting with the Cisco VPN 3.6 client to a VPN3000. They have a network still running Netbui and are going through a router doing nat to a cable modem that is issuing a DHCP address to the router interface. The PC's have static IP add...
I need some help trying to understand a concept. In the Basic Firewall Configuration documentation there is a statement regarding caching nameserver use and PAT which states, "PAT has some restrictions in its use such as it cannot support H.323 or c...
I like the idea of putting the mail server in the DMZ or creating a Bastion Host mail server in the DMZ and the real mail server on the inside. If you put the mail server in the DMZ you could just image/ghost it and then not back it up nightly. The...
I'm jumping in on this conversation but am wondering about putting 2 NICs in the mailserver in the DMZ - one NIC to the DMZ and one NIC to the inside. If the server is going to have a connection to the inside network then why even put it in the DMZ?...
Here what I think my other problem is. Users on the outside send e-mail to us at johndoe@co.rock.wi.us. From outside our network I did an nslookup on co.rock.wi.us and found that the address that came back was only the ip address of my outside inte...
