Cisco

Comparing Systems
I am trying to determine the best system in regards to pricing and durability for a desktop teleconferencing system. I am looking into 3 vendors, Cisco, Tandberg and Polycom. Any good or bad experiences out there? ... 20 Sep 2006 22:15

3750 no image
Somehow on rebooting a 3750 it seems to have lost it's image. It is part of a 3 3750 switch stack. There is one master already booted in the stack. I don't see any commands in the switch: mode that allow me to tftp load an image or boot an image over the network. Curious about how it lost it's image in the fi... 22 Sep 2006 05:56

CDP-4-NATIVE_VLAN_MISMATCH
Hi, our network chap has come in and configured our switches and has since left. When logged into the switches to dump the config from the two 3560 switches in the server room I was getting the following error on the console for both switches. CDP-4-NATIVE_VLAN_MISMATCH: Native VLAN mismatch discovered on Gigabi... 19 Sep 2006 05:51

Remote VPN
Hi, I have a PIX 506e and i have setup a remote VPN client on the PIX. I have setup up the group name, password and VPN IP Pool. I already have VPN site to site over IPsec on IKE. When i try to connect using the VPN Client i get a 32 11:47:36.634 09/18/06 Sev=Warning/3 IKE/0xA300004B Received a NOTIFY... 19 Sep 2006 00:35

ssh configuration
How do I configure ssh access on a cat 4506 switch? I want to completely disable telnet and use ssh access instead ... 17 Sep 2006 19:11

Static Translation
I have an urgent PIX Change to do. I have been asked to add a static translation to a PIX. I have a public range on the outside of the PIX which has been further subnetted to give me public addresses on the inside as well. The public addresses on the outside have all been used with various static (inside,ou... 17 Sep 2006 02:42

DNS Issue over Site -Site VPN Tunnel.
Hi, Have a problem with DNS requests over a IPSEC site - site VPN using a Cisco 837 at either end. We can ping the DNS server IP address at the remote end of the tunnel but can not ping the server name or join the domain etc. We can browse the server using the IP address without any issue. Configs below. !Thi... 15 Sep 2006 14:14

ARP table
Where is the ARP table located? Is it located in the NIC,router or switch? ... 16 Sep 2006 03:27

Up Arrow
I've a number of Cisco routers in our lab and I am experiencing a problem I don't know how to fix. When you hit the up arrow on a number of our routers, it is supposed to pull up the most recent command. Instead, it gives a partial line, a non-text non-numeric character and a carriage return, which executes... 24 Sep 2006 12:51

HDLC Vs PPP
what are the major differences between HDLC and PPP? How are they mainly used? ... 11 Sep 2006 14:56