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Thanks for the reply. Although we don't multicast traffic orginating from the 226.0.0.0 addresses, we do have other multicast traffic we would like to pass through the WAN router to the remote offices. Disabling snooping etc will kill this I persume? The WAN router is manged and therefore I...

We have multicast traffic running acroos our network which provides an IP TV solution for end users. We would like to prevent the multicast traffic (source 226.0.0.0) from reaching our WAN router which connects our branch offices to our head office. The WAN router is a manged solution provided...

We have just purchased two new Sup720's to replace Sup32's in our Cat6500 chassis. I've load a new image onto a Compact Flash card in disk1:. - We have inserted the Sup720’s into the chassis, replacing the Sup32’s. - I’ve downloaded the image which we’re running on the chassis in 25 Luke St...

We are running numurous Catalyst 6500's in our netwrok as edge, distribution and core switches. As part of a re-design we looking to convert a Catalyst 6500 edge chasis to a server chasis. We plan to order the relevant cards to 'upgrade' the edge chassis to match our distribution chassis When...

We have a remote branch that connects to our main office using a Cisco 877 VPN router connecting to our ASA in the main office. Every so often I get the following syslog message on the ASA, what does this error indicate? 5 May 27 2008 16:09:49 713904 IP = 88.211.14.214, Received encrypted...

'show switch detail' only shows one of the switches. One of my colleagues is on site and consoled on to the problem switch he got the messege 'switch is not usable'. Any idea's what caused this? Corrupt IOS? He tried erasing config and rejoining it to the stack but no joy. We've swapped out...

Thanks for the advice thought it would be a case of starting a fresh. Looks like a four hour drive tomorrow!

When is the cluster command used? If I remove it I lose sight of the switch who's ports are down? This is a remote branch which a former colleague set up so I assumed he cascaded the two

Problem with Cisco 3750-24ps-s switches Two ws-c3750-24p have been stacked together as one switch using a cluster command. switch 1 provision ws-c3750-24p switch 2 provision ws-c3750-24p ip subnet-zero ip routing ! cluster enable Exeter_Cluster 0 Have rebooted the switch stack and now...

Problem being when I set the switchport mode access command the IP phone connected to this port (voice vlan 155) is unable to dial out. Only when I take this command off and shut and no shut the port does the phone work again. In theory I should be able to have the following?: interface...

We are thinking of adding MAC security to our user ports on our Catalyst 6500 stacks. As a test I’ve tried to switch on Mac Security for one port Gi7/46. I’m receiving couple of errors when trying to add security which are related to setting the port to ‘nonnegotiate’ I’ve copied the errors...

Is there a way of resetting a Contivity 100 when all the lights are displaying a solid amber. I have tried the normal method of resetting to factory default but this doesn't seem to work. Is the Contivity box dead? Any idea's?

This is the RAM I have that I'm trying to install. I assume this type of RAM is ok cos it will accept on stick and work fine with 256mb. It just doesn't like the second stick when I install it. As mentioned, it can't be the second stick I've I also used this on it's own with no problems...

Has anyone got any idea's? PC currently has 256 RAM and I'm trying to add another 256 ram. Both indiviual sticks of RAM work on their own when inserted into my first RAM slot on my mb and my PC boots using the single 256 stick of RAM. When I add the second stick my PC just makes long...