Switching

I've a problem in my network infrastructure. In the backbone area there are a couple of Cisco Catalyst 4510R, the primary and secondary root bridge of the network. The spanning-tree protocol used is Rapid Spanning-tree with a pathcost method short (d...

Hi All, I have a simple topology made of a couple of Cat6500 switches (native IOS) connected between them and to a Cat3750 (stack of two). I have MST running. When adding a new Vlan it gets propagated to all the switches via VTP, when I assign it to...

I am getting only input errors? What can cause this? I am using nic load balancing across two 4500's could this be an issue?Here is an example output of sh int 0 runts, 0 giants, 0 throttles 263 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignore...

New 6500 continuosly rebooting after some scheduled time with the errorC6KENV-SP-SHUTDOWN SCHEDULEDAny idea what needs to be done to rectify this?

We have an AS5300 that is currently utilized as for our PPP dialup clients. We recently installed a new Cisco phone system so we would like to route the PRI that was strictly used for dial in access to our regular local hunt group of PRI circuits. ...

Hello,We have a problem on our WAN Router cisco 2800 as interface fa0/0 is getting down for every 45 secs and will come back after 4 to 6 RTO's,We have configured GRE tunnels for remote branches DMVPN, this problem is encountered after one or two of ...

I've just installed some 6509 chassis with dual sup720. They came as hybrid and I'm going through the process of upgrading them to native. The image I'm using is too big to fit on the bootflash. Actually the sup720 ships with 64mb flash - I cannot fi...

Are there a set of general guidlines for using Vlans i.e., how many devices on a LAN before you should split them into Vlans?

Dear Netpros, Does anyone know how to block things like iTunes sharing, P2P programs like Limewire at the switch level? We have this blocked at the router level, but we have people using bandwidth on the LAN which we would like to stop. Does anyon...

Can anyone tell me how we do this, do I just add a static default route in and then add this to ospf by using the default information originate command, or would i use the redistribute static command ?

Hi all, when adding the default network command say in eigrp, what does this do, as its not the same as a default route, or is it ?

I deal with the pix 501 and asa 5505 all the time in small business. Recently I've been looking into the integrated service routers. How do the asa 5505 and 871 ISR compare. Is the packet inspection on the asa better than the ISR? I know the ISR ...

Hi all, can anyone tell me what RMON is used for, does it involve snmp at all ?

Hi AllI am using SecureRT to telnet to switches and to collect logs. It keeps coming up with More-- so then I need to press spacebar. How can I get rid of this so that the result just scrolls through until it gets to the prompt?I have Cisco 4500, 356...

Help. I incorrectly pasted some aaa config onto the switch and wrote to memory. Now I am getting Error in Authentication when i try to enable. I have tried the password recovery procedure, ie sending a break just after the SP changes console ownershi...