Switching

hi!i dont know if it's the correct forum but i got a simple question that i would like to be answered.Recently i brought a 877 adsl router with the advance security ios. I thought this ios supported 802.1q, but i don't think so. So i upgraded to adva...

Hello.. I have a 4506 with a SUPIII card and a WS-X4448-GB card. I want to enable jumbo frames for a iscsi connection. When I go into the interface that I want to enable jumbo frames on I issue the command:mtu 9192. I then get the error "% Interface ...

it's just a common qos configuration but it doesn't work, please see the detail below.(but i use the same configuration on 2811, it works well)mls qos!class-map match-all IN_NGN_Mgt match access-group name IN_NGN_Mgtclass-map match-all NGNSig_PSTN ...

Hello Everyone,I am having a problem with connectivity dropping out intermittently. I am running rapid spanning-tree, and have one and only one Vlan on this link. Its a dedicated fiber link running IP Video. This link has been working fine for abo...

Hi all, Can anyone tell me if only certain gbics will work with certain fiber types ie single and multimode, ie can I run lx type transceiver over multimode fiber ?

We have a couple of 6509s and I wanted to upgrade the PCMCIA cards to 64mb.Both 6509s have Sup2 cards MSFC2. But they wont recognize the cards when inserted. I cant even format them.I was sure that the SUP2's supported the 64mb cards.Any ideas ?Cheer...

I have a brand new Cisco 2801. It is currently loaded with C2801-ADVSECURITYK9-M, Version 12.4<15>T4. The IOS image is c2801-advsecurityk9-mz.124-15.T4.bin.I want to go ahead and update it to the latest IOS but I was curious what all the different ty...

When igmp snooping is applied the interface that sends multicast packets out the job fails after a few minutes. If IGMP is turned off the job passes but multicast hammers the entire network so i need it working. Any suggestions.

Hi,Invented a really cool VLAN numbering scheme. However, on floors in buildings at 10th or higher it falls apart because the 6500s are set to assign its internal VLANs from 1006 up...runs in to our numbering scheme.Want to change these allocations t...

What would cause a Lost Carrier error? We've got 2 4506s that are showing 1 lost carrier on most of the ports.Just want to determine if this is something that should be investigated further or can be ignored.Thanks.

if a vlan is configured for jumbo frames, is there any problems or performance issues if a workstation/server that is on that vlan sending packets and is not configured for jumbo frames?

Hi all, when a packet travels from one switch to another , and the packet say from switch A is marked with say cos 5, if this enters another switch with no trust, wha will happen, will it keep the marking,but the switch will not put it in the queue ?

What is the difference between these two versions.As I see it it's two different trains. Is there any features in 12.2.25 which isn't supported in 12.2.44.

Many thanks to all who have helped sincce my router guy up and left...I have one other pressing issue I need assistance on. One of our remote offices is connected to the main office via direct T1. I have been told applications consistently lose conne...