Switching

Hi,I have one VSS with two 6500, to these VSS I have  a lot of 2975 connected using MEC, in the 2975 are voip with autos qos configured.In the VSS  I configured the Qos in trust mode in the MEC interfaces to the 2975.What is the recomended configurat...

having problems with packet tracer 5.2 i made a whole network and it worked perfectly including using wireless AP's however i saved it and left it came back later and packet tracer file is corrupt, so i had to start again and now the wireless aps don...

I can't seem to find documentation that states how much buffer cache is alloced per port on a WS-C3750G-24TS switch.  Is memory allocated on a per port basis or is it in groups of 4 or 8?  I'm hoping they support atleast 500kb per port.  Thanks for a...

We have an ASA with a VPN Tunnel to our campus network from on eof our clinics.The ASA/VPN is also used as a DHCP server. 2 pc's hang off the ASA and get there IP's from the ASA.We are adding devices to the clinic so we want to add a 3750 to the clin...

I am trying to get details regarding the following error on a Cisco 3750. The host is not able to join and receive the mcst.Dec 14 20:55:08.423: IGMPSN: Can not Locate gce 0100.5e08.0b51, on Vlan 205Dec 14 20:55:08.524: IGMPSN: MCAST IP address 225.8...

Im doing some experimentation with IPv6 to get some understanding and experience with it.  I have two Catalyst3550-24 switches both running c3550-ipservicesk9-mz.122-44.SE6 images.  I have connected the two switches together with a crossover.  I conf...

Hi allI have been speaking to a colleague, he says he had issues with windows xp doing to many retransmissions whilst transferring a file. we have siemens voip phones and pc's in to the same port on the 2960 switches. we configured the ports using th...

Hi all, when adding a switch to a network, do we have to be careful not to make the network reconverge, incase the new switch has the lowest priority or mac address? if it has, would the whole network reconverge and find the best way to my new switch...

Dear All,I have been doing policy configuration on 6509 series switches for few days. And all of a sudden my 6509 started misbehaving, by giving shocking results.I was configuring simple PBR policy wherein I am forwarding all my interesting traffic g...

From a Cisco doc about Nexus:"vPCs enable full, cross-sectional bandwidth utilization among LAN switches, as well as between servers and LAN switches."This has always confused me. Cant you run an active/active NIC teaming without vPC? That will give ...

I’m designing a small network for a project of mine.The building has 4 floors 200mx200m (each floor) with 24 machines located on each floor (each department on separate floors) therefore uses separate vlans to prevent other departments accessing each...

HI All,According to the VSS Arch whitepaper ( http://www.cisco.com/en/US/prod/collateral/switches/ps5718/ps9336/white_paper_c11_429338.pdf )Supported interface modules that can coexist within a Cisco Virtual Switching System-enabled chassis include a...

Hi everyone,I have a slm224g and just bought a slm2008 and i want to setup a trunk between the too switches so then vlan 10, 20 ,30 can communicate with the vlan 10, 20 ,30 on the another and i can not work out how to do itAny help/guidance on this w...