Switching

Something wierd happening . . . A few months ago, the power supply failed on two switches on two different stacks (one on each stack). I got replacement switches from TAC and installed them. Now, I'm finding that CNA cannot see those two switches. It...

Alright... I have QoS Deployed and working on my LAN, ingress marking everything appropriately at the edge (3750 stacks), and The core is trusting ingress traffic from the edge.  What I have not yet figured out is how to get my traffic re-marked to m...

Dear Friends,It will be a great help if some of you can explain me all differences between a layer 3 switch and a multilayer switch with example for both type.thanks in advance,Ameen Ahmed.

I have a Cisco 861 that is our gateway for 5 workstations and 5 VoIP phones. Our ISP provides a 5 Mbps up and down over DSL. For the most part, our VoIP phone calls are very stable and sound great but we notice significant quality degradation if we b...

Hello,Quick question, I had a 2800 router with the no service password-recovery configured on a 2800.nobody knows the password.how can I recover the password?.Thanks.

Does anyone know if the ME6524 switch uses hardware or software base CEF?  I know many of the 6500 switches should use hardware based CEF, but ME6524 seems to have differences with its TCAM/chipsets vs the standard 6500 platform switches.  Such as fo...

Hi,I am getting confuse about cisco IOS related issues.Can u help me regarding the above means ,How can i troubleshoot if IS crashes or How can i get IOS compatibility features or supporting featuresand The prerequisits before going to  upgrade IOS ,...

Is it possible to setup DYDNS on a Cisco 861 router? If yes, what IOS version do I need? thanks for your time!

three router 1--2--3, all interfaces enable rsvp by using command "ip rsvp bandwidth ".  loopback 0 of r1 has ip address 1.1.1.1 and loopback 0 of r3 has ip address 3.3.3.3.  using command "ip rsvp sender-host 1.1.1.1 3.3.3.3 tcp 1 1 500" on r3  ; us...

Hi,We have a few IP SLA monitors running on switches. 2 of the fields are Packet Late arrival and Tail drop.The WhatsUp Netflow collector does not monitor these two fields at the moment.From the switch, how\what commnds can I use to monitor the 2 fie...

hi,cisco 6506-e series switch having problem when upgrading to 8.7(2) version.  Soon after upgrade we get one of line card showing faulty. But it's confirmed  that chassis and sup32 not having any problem by replacing it.When revert to old CatOS 8.4 ...

Hi...    Could anyone clarify my doubt. My doubt is while we configuring serial interface for wan connection we use encapsulation method .What is the use of it?.why we don't use encapsulation command in ethernet interface?Thankyou

Hi, I have to create a wireless network for a railway along a gallery 2.5km long. I am thinking about a daisy chain architecture compose by industrial switch positioned along the gallery and linked together in a daiysy chain topology by uplink fiber ...