Switching

I have a vista pc, on SBS domain, static ip/dns. disabled the IPV6, only IPv4 running. Intermittently the network connection drops and the ASDM syslog shows internet connection denied...flags PSH ACK interface inside and then also deny inbound UDP......

I have a major problem. I have a catalyst 2950 to a catalyst 4006 via fiber. I can ping a normal size packet from one to the other, but when I use a datagram of 1500 it fails.. Would appreciate any ideas... repaced 2950 with two other switches and a ...

Hello, my company is a single site with a 2600 series router. Our internet keeps going down periodically through out the day. I can ping locally, but not on the WAN (ie yahoo). Our ISP will only ping their circuit and not our router, so they are us...

Hello,I have a 6509 running hybrid. My CATOS version is 6.1(1b) and IOS version 12.1(4)E1. My CPU usage on the switch is 99%..."show proc cpu" shows that the L3Aging process is taking up 83% of that. Can someone please explain what this process is...

Point of debate. On a LAN running PVST+, if a new VLAN is added, does the convergence impact the existing VLANs? Assume all cross-link interfaces are default trunked, carrying all VLANs.I've heard both that the trunked port will go through the conver...

I've got a 7206VXR NPE-G1 router. The show flash command shows an error:CD-EXTERNAL1#show flash: allOpen device slot0 failed (No such device)Error getting file system status.The DIR ALL command shows the existence of disk2: and bootflash:This doesn't...

I need to update the IOS on a 3560 switch that has control over the IP Cisco phones. I am looking at the IOS versions and the prefixes are SE(ED), SEE4(ED) AND SED1(ED).I forget what they mean. I thought it was something about the ROM. What does it m...

Can someone please tell me what the latest release of IOS would suit my two cisco 2500 routers please.I also have two switches one 2900XL and one 1900, what would be the best version for these too.

Does anyone know what these files/directories do and why they they should be on a 3750 switch??Directory of tmpsys:/ 6 drw- 0 <no date> eem_lib_syst 5 drw- 0 <no date> eem_lib_user ...

Sanity check question. If I have access switch with say vlan 10, 20 and 30 - and SVI's on the router for each of these 3 vlans - do I need to add an ip default gateway statment on the access switch for each of these 3 vlans - pointing to the relevant...

We have a cisco 4507 ..with ios 12.2. the ip nat command is not accepted at configure terminal prompt. What could be the cause ?

Hello,I have a network spanning roughly 12 switches. 2 Core 6500's with 10 dual connected 3560's, all running MST, and one of the 6500's is a VTP server.I have around 240 VLANs configured, and hanging off of some of the 3560s are 2950s that only sup...

I am migrating our 6509 to 6509E with Native IOS. It is currently running a CatOS for the switching and IOS for the routing. When I insert the module in the new chassis running IOS it says it is an unsupported module. If this is true then what module...

I am running an iSCSI SAN and I had to turn on flowcontrol on the switch ports. I've been having some performance problems with one of the servers connected to the iSCSI SAN and I'm trying eliminate a switch problem. Here's what I get when I do a s...