IT Answers » Switching

Removing CDP numbers from switches

Cccumpston — Mon, 27 Dec 2010 21:08:12 +0000

HOW DO TAKE NUMBERS OUT OF A SWITCH THAT HAVE BEEN CDP’D TO THAT SWITCH AND REPLACE THEM WITH NEW NUMBERS.

WE ARE ADDING BLOCKS OF 200 CONSECUTIVE NUMBERS TO REMOTE SWITCHES AND NEED TO CHANGE OUT THE EXISTING NUMBERS FOR THE NEW CONSECUTIVE NUMBERS.

Difference between a layer 2 and layer 3 network switch

TeachMeIT — Mon, 25 Oct 2010 14:22:52 +0000

What is the difference between a layer 2 and layer 3 network switch? What instance would I need each for? We are a Windows 7 shop.

Inter VLAN

Skh — Wed, 06 Oct 2010 15:26:27 +0000

i have 1 switch that i had install vlan 1 and vlan 2. i also have 1 router to connect to the switch through the server. how to make vlan 1 and vlan 2 can access each other? please help me. i’m still new in networking field..

Recommendation for Layer 3 switch and firewall

Skenny — Mon, 14 Dec 2009 01:38:35 +0000

Question Edited by MTidmarsh

What layer of the OSI model does a switch operate?

NetworkingATE — Thu, 23 Jul 2009 13:45:34 +0000

New Answer by crlyons54

InterVlan Routing on Cisco

Mannie1980 — Thu, 09 Jul 2009 09:42:00 +0000

Hi,
I have Ipbase Image on a Cisco 4506 switch and configured several vlans eg. 2,3,4 and each have ip addresses associated with them as given below.

interface vlan 2
ip address 172.16.2.1 255.255.255.0
interface vlan 3
ip address 172.16.12.1 255.255.255.0

i have said ip routing but i do not see ip routing displayed in the config

I want to be able to do intervlan routing between the 2 vlans. However when i do a show ip route command i do not see any connected vlans/routes. I am not using a routing protocol as both vlan’s are configured on the same switch.

Can anyone tell me where am i at fault and how i may correct it so i can get it to work? is it because i am not using a routing protocol?

Can I create high availability (HA) with switches and network interface Card (NIC) bonding?

NetworkingATE — Wed, 17 Jun 2009 20:46:00 +0000

What’s the best way to create high availability utilizing a couple of switches and NIC bonding? I’m looking at stacking four Dell PowerConnect 6248′s, then bonding two NICs on my servers and having one NIC go to one switch and the other NIC to another switch. I’m assuming if the two switches my bonded NICs are plugged into go down, then it’s game over, even though I’ve got two other switches in the stack still up. Is there a better way go about doing this?

Efficiency differences between circuit switching and virtual switching

NetworkingATE — Mon, 09 Feb 2009 16:14:54 +0000

Which is more efficient: circuit switching or virtual circuit switching and why?

How to obtain redundancy between a DS0 and antennas communication

Jortizga — Thu, 24 Jul 2008 15:37:26 +0000

We have our Distribution Center and the headquarters communicated by two options: By a DS0 via Frame-Relay and with a pair of antennas. How could we connected both at the same time in order to obtain redundancy? What schema of switches we need? We had already 1 Cisco Catalyst Express 500 and a Cisco router 2801 in the DC. When DS0 “fell down”, we connect directly to Cisco Sw the antennas and change configuration in Headquarters switches and routers adding 2 Vlans for that.
We’ll appreciate every tip you can share with us.
Thnx a lot

How do I route from the switch interface to the last machine?

NetworkingATE — Wed, 12 Mar 2008 18:38:48 +0000

If an interface of a Layer 3 switch is configured for network “A,” and three computers have connected in a serial manner to that port (what I mean is in a line) how do I route from the switch interface to the last machine?