Switching

Hello,I have a situation here which I need help on.We have 3 VLAN's here. All 3 VLAN's are connected to a Catalyst switch and then to a router via E0.We have DHCP servers installed on each VLAN which provides to each subnet/vlan.We are shutting two ...

On Monday our network was severely degraded. The inside of our firewall was getting hammered by thousands of UDP packets (port number 445) with a source and destination address of 127.0.0.1. We isolated the router that was forwarding the packets an...

Could someone tell me how to configure a DHCP on a router? Our current Win2000 DHCP server is down at one of the remote locations and I need to have some DHCP in place!Thanks in advance, sK

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Been deploying 3750s for awhile and this is the first time I've ran into this issue. We have 8 3750s stacked, with a 3-meter cable from switch 8 to switch 1 for redundancy. The link between switch-5 and switch-6 is down. Cheched and replaced stack c...

Im looking for an all fiber cisco switch in the 3000 series range (just not a big one like the 4000s or 6000s). I do not see any on cisco product pages. Any info on where I could find out about them and get specs? Thanks.

I have a 6509 switch and I need to monitor a port, but I cannot create any more sessions.All availble configurable sessions are being used for IDS.Is there any other way for me to monitor a switch port to capture source and destination packets on a p...

Where do I go to get the definitions of the codes Cisco uses on operating systems. For example 12.1(11)EA1.

There will be 3 floors. 2 floors will have 1 4510 and 1 floor will have 2 4510's plus 3750g's.I need to make a redundant network that will provide the best throughput to the servers, internet and VOIP.The POE blades will be used only for VOIP and the...

Hi All, question regarding gigastack on a 2900 series switch... i've got a stack with 7 members - i need to add an additional switch to the loop - they are all daisy chained together, with a redundant link.What kind of interruption will there be when...

trying to load 7604 switch from disk0 howver the switch keeps defaulting to the old ios and each time the "autoboot command:"boot bootdisk". this statement appears to override anyother boot statement. has anyone had this issue if so, what steps were ...