Other Network Architecture Subjects

Can these switches be configured using NTP with "ntp server x.x.x.x"? The Configuration guide was saying that it can configure this but the command reference did not have this command, only "ntp broadcast client"! It's kinda confusing and I do not ha...

We have one 6500 Core Switch in our network and one 4507R in each of three outlying buildings.The city recently did some electrical work in the area, during which power was down in the school district for most of the day. I came in the night before ...

Good Morning,My company is looking at getting a dark fiber vendor to supply fiber to all 9 of our sites where a 65xx acts as a core. We will use the dark fiber to replace a DS3 network using 7206's and FlexWan modules. I don't have all the dark fi...

I have a handfull of Cat 3560 switches in wireclosets and I would like to implement some basic QoS for limited VoIP (it's an add-on to an older PBX we have, not a full blown implementation) and some video conferencing equipment. Basically, I want to...

How do you put in the framing and linecode? I have tried controller t1 1/0 in config mode with no luck.Thanks,Joe

Does anyone know if the 2811 fast ethernet interface support ISL encapsulation? Only found support for ISL on the etherswitch interface but nothing mentioned about for the default fastethernet interface. Joseph Kwek

Pleasewhat is fundamental difference between Designate port and Root port ?Best regards.

What means a "spanning-tree optimize bpdu transmission" command? No documentation on Cisco web and this command is hidden in CLI.What performs this command?

Hi,I have a Catalyst 4006, with moduels WS-X4013, WS-X4148-RJ, WS-X4232-L3 and WS-X4232-GB-RJ.Can someone please let me know the latest firmware and IOS for this.I've been told that the latest firmware is 8.4(7)GLX, but do not know what the latest ve...

Hi,I wonder if any one could shed some light on how to restrict the number of mac-address per vlan on cisco 3550 swithces.

I'm trying to configure a switch to test dot1x over the wired lan. We are using steel-belted radius and the Odyssey client and a 3750. What commands do I need to have enabled on the switch? The raduis server is not showing any attempts in its stat...

Dear AllA network had been implementated with core, distribute and Access level switch.However , how can i improve the stability of the layer 2 network on the access level switch. Once again, my root bridge is being changed seriously , but i still do...

Hi,Where can I download IOS software other than version 12.1(22)EA4? This is the only version I found on the software download center, but I need older versions.Thanks in advance.

I have to merge two Campuses having 6000 at core by means of a fiber link. they are in their own vtp domain. the vlan should remain intact in both vtp domains.Can anyone comment on this.