Switching

Hello,I've got a recurring them developing across several deployments of Catalyst 3750X series switches, I'm seeing large amount of output drops accross multiple ports but there are is no QoS deployed on any of these switches. (standard FiFO).As it h...

Hi Community,We have faced a strange problem in our customer while implementing non-cisco switches in their network. Firstly, we suspected from the switches but when we remove the newly installed switches from the network the problems still go on in ...

                   Hi All,How to create loopback cable for gig copper port (cisco 6513).I have tried the following loopback cable:1-32-6and 1-42-5and 1-32-64-75-8but interface was not up .Pls suggest if any other option.This interface is fine. this i...

I see that there are multiple discussion on this topic but so far I have not been able to find an answer that fits my situation. I have a WDS server running on a VMware host connected to a Nexus 7010 via a trunk port. I then have a 3750 switch connec...

Two sites withtwo  switches etherchannel concept for wan linkDoes it work? Please suggestOn switch1--site 1interface GigabitEthernet1/0/1--Wan link1no switchportno ip addresschannel-protocol lacpchannel-group 1 mode active!interface GigabitEthernet1/...

Curly one for the experts around here:)I decided recently to switch out our border router (1841 12.4 advsecurity) with a shiny new 1941 (15.2 SEC/K9) as the CPU upgrade was needed.In doing so, I seem to have introduced some strange issues.The core be...

Hi,We have two 4506E interconnected with tengigabitethernet card on WS-X45-SUP6-E. Since 2 months, we have performance problem on network. On 4506E the CPU are in 100%, the HSRP flapping and EIGRPdown.The 4506E version is Version 12.2(53)SG.I don't f...

Hi All,I am trying to get my head around layer 2 protocol tunnelling. I assume this can be configured using switchport access mode, switchport dot1q tunnel mode and AToM. In what cases would we need to increase the system mtu of the service provider ...

Good day,I have not enough experience to know if I am configuring things correctly.Basically, we need a network with 5 VLANS divided over 2 layer 3 switches and all devices need to be able to communicate with each other.The interVLAN communication ca...

Hello,I have two C4506 switches and I would like to create two L3 links between them by using only one physical link.I will then assign each L3 link to a different VRF.I think I have two choices but I'm not sure however that the second one is possibl...

i have 3 vlans, vlan1 , vlan 10 and vlan 20 with vlan interface for intervlan routing and vtp configrued on my 4503-E switch because i have also two stacked 3750 switch in the network. i connect cisco 4503 switch with 3com 7700 switch using trunk por...