Switching

I ahve been facing a wierd problem with cisco IP phones. It happens when a user connects both the switch & the PC port cable to the switch therby causing a loop.can anyone let me know how to quickly find out which phone is connected in that way.thank...

I have a major delima on my hands. I am trying to update the IOS on a bunch of 6509E's at a remote site. The problem is that I am having a great deal of difficulty getting the image loaded using tftp across the WAN. The session keeps timing out. I wa...

I have a fibre link that passes all of the generic fibre tests, icluding the 1000baseLX and SX tests. However when I connect switches to the link I only get a LINK LED on one side. Here are the test I did.I connected a cisco 2950 switch in Location A...

Hi allI want to set up a management vlan for my switches, Firstly I know vlan 1 is native (untagged), So would I make say another vlan native for my user traffic, how do I do this, and would I put the vlan 1 management on another subnet, if so would ...

Hi, This is my first time joining the forum, seeking help. My problems is that we are running some 15 PCs (O/S - WinME, Win2000 Pro & WinXP Pro) whereby all documents are stored in individual respective PC. All PCs are networked without a server (a w...

Hi ,The CSS 11506 which was configured for redundancy for server loadbalancing was working fine till date.Its 2 days back that we were unable to open the http session for the virtual ip.ie:, the session stops after the home page itself.What could hav...

HelloWhen i configure 802.1X with Vlan assignement, and mac authentication bypass not activate, the port go to VLAN Guest when the PC is shutdownHowever, yhen you configure 802.1 with vlan assignement and Mac authentication bypass activate, when the ...

We have a Catalyst 3550-24 on 12.2(25) that I need to configure to mark VoIP with dscp vales and to prioritize VoIP SCCP and RTP traffic outbound on interface F0/1 so it can be processed by our ASA firewall based on DSCP values. I think I have the ...

Hi, I have 2 3750s to be configured on a stack. Do i need to add configs on both the switches or jus stack them and configure as one single CLI?Appreciate your response.RegardsNavneet

I cannot find command "ip mtu" in interface configuration mode.Can anyone explain why i cannot find this command.*** IOS 12.2(25)SEE2 *** I found this command in Catalyst 3550 same IOS version as aboveThank you,very much

Dear allFor the normail time, The cpu utilization of L3 Switch (4507R Version 12.2(20)EWA) about 30%-40%.For now, It about 60%-70%.I didn't change any configuration of the switch.I attached a file that contain the output of "show tech-support".Please...

Hello,today I experienced a weird problem with a Catalyst 3550. One interface has two ACLs, B in ingress and A in egress. They've been in place for quite a long time without any problem. To sum it up, I trivially modify ACL A (add a routine "deny"...

Hi Can anybody tell me , what can cmd "show ip cache flow " will give and also how do i can check the current traffic which is flowing on the 6513 switch. (viz source ip, des ip, protocol, portnumber)Pls let me knowregardsShashi

Hi , Kindly let me know when i do sh int se0/1 what does this signyfy input rate and output rate and can this be added together to get the total bandwith of the link . 5 minute input rate 0 bits/sec, 1 packets/sec 5 minute output rate 0 bits/se...

Hi there,I need to build a network architecture for 100 serveurs with 1 to 4 IP physical interfaces (10/100/1000 Eth.). Each interface belongs to different LAN/WAN/MAN, on each several VLAN have been created. The goal of this new design is to build a...