Switching

How can i stop my cisco devices from sending this out the interface?

Hello, I have the following ACL on a 2500 router using IOS 12.0:The scenario, basically looks like thisLAN--"outside"-Router-"inside"-internet(seems a little bit strange as to what the router considers in/out)ip access-list extended INSIDE-E0 evaluat...

Anyone know how to determine the history of a port state on a 6500 running IOS? Im trying to troubleshoot an issue and would like to see this. Any ideas?

have several switches that I am trying to backup their config to a tftp server. Two of them I am able to ping the server and copy the config to the server. The others will not ping the server or connect to the server. I have a vlan set up for the swi...

Hi all, I have seen a function on nortel that turns off change detection for spanning tree on the port, so that it does not send out tcn changes to the network. do cisco switches have this feature ?

I have an exchange server sitting in my DMZ, IP addy 10.x.x.x. In my pix I made a static(DMZ,outside) 10.x.x.x 208.x.x.x, to NAT the 10.x.x.x addy to a public IP of 208.x.x.x, also in the PIX i added acl putside permit tcp any 208.x.x.x eq smtp. In m...

Anyone know what tha above may mean? It is from a catos switch running ancient SW, and the error message decoder suggests contacting support. The SW age means no TAC, but it would be nice to have a clue.The network is also poorly designed - everythin...

Hello everyone: I have a problem to mount two tunnels with multicast support, I have a server in the IP multicast video 192.168.1.123, group 224.1.1.1 and I must convey this to two multicast tunnels where there are several receivers. But do not get i...

I had 12416 router with Modular SPA Interface Card (10G) card on one of its port it shows flow control off and on other it shows on. How can I make it off---------------CHD-ISP-COR-RTR-22#sh int gigabitEthernet 4/0/2GigabitEthernet4/0/2 is up, line p...

Can someone check out this setup carefully and tell me what they think??I will upload the diagram. Read the detail, please.Its for a LAN campus environment.Its just a general architecture/topology drawing. Not too many specifics. Dont need them for n...

Hi,Our LAN topology have Core "L3" , Ditribution "L2" and Access "L2". We want to get rid of spanning tree by moving from layer 2 to layer 3.My questions is:1) Any advice on this?2) in the access switches did I have to configure each interface on 375...

I am doing a fiber optic power budget study for some circuits we are installing and I need to get the fiber optic transmitter power and receiver sensitivity for the 3750 switches. I have searched hi and low on the Cisco site, but cannot find this in...

Last weekend I upgraded 720 sup's in and when done, wanted to swap the active and hot blades (were in SSO mode). I did the "redundancy force-switchover" command which works fine but it reloads the previous active sup. Is there a better way to do this...