Switching

Issue: 2 older machines running an application (MNR Imaging) that uses multicast to communicate.They generate the error messages on our core switches…..2008 Oct 20 13:33:48 %MCAST-2-IGMP_ADDRAL:IGMP: Address Aliasing for 01-00-5e-00-00-012008 Oct ...

I just need some opinions on what the best hardware would be for a possible upcoming project. Basically the current environment is 2 core switches (3560-24), with 13 switches for IP phones (3560-48PS). We are looking at expanding to 20 3560-48PS sw...

Hi, I have a Lab Scenario as follows:Two routers R2 & R4 are connected to a F/R cloud via Area 246. They are also connected to each other via Ethernet in Area 0. I have two loopbacks configured on R2 (2.2.2.2) and on R4 (4.4.4.4) in area 246 also.T...

We are running multiple Windows computers and they seem to have periodic network access problems.We're running a Catalyst 3560. IOS is older version 12.2.25(SEA). We have multiple VLAN's setup on the switch with SVI's for each with an IP on differe...

I have a 3560 Layer3 switch with two VLANs. VLAN10 IP address 192.168.1.1 and VLAN 20 IP address 10.10.10.1I have most of my clients and file server on VLAN 20. I am able to map the drive to server without any issue. However I have a few client on VL...

hello everybody, i am trying to migrate a hsrp configuration from l3 switches 3550 to router 2801. it goes like thisfrom:isp1-35501-pix1isp2-35502-pix235501----35502 pix1----pix2 (failover)to:isp1-router2801(1)-pix1isp2-router2801(2)-pix2router2801(1...

please what command will show detailed statistics report of packet going thru a specific on the router or switch by CLI

I need some help and clarification on this issue. I am in the process of upgrading the IOS on aSwitch from Upgrading of the IOS from c6sup22-psv-mz.121-19.E1a.bin to 12.2(18)SXD7b c6k222-ps-mz.12.2-18.SXD7b.The show version gives the followingROM: Sy...

Does anyone know how to find out the checksum on a downloaded ios image on a 3750 switch ?ie I used tftp to download a new ios image and now I want to check the checksum on the file located on the flash.

Hello,I would like to filter Multicast traffic coming from stations on a LAN. These stations can request multicast traffic but I do not want them to send multicast trafic in order to not disturb my multicast routing. If the send xcast trafic they are...

In the attached architecture, we have swith with single sup engine, where as there are two links going to different location from this switch, one of the client will be working in switch area, but they need 99.99% uptime, which is not possible due to...

how we can group 2 FE ports on any cisco switch. these 2 FE ports are connected to 2FE x 1GIG SFP port converter.. and terminating in 1 SFP at far end.