Switching

I am new to this and have ran into some problems. I butilt up my router I was able from the rom> prompt to get my router to boot from SLOT0:xxxxxThen I did the copy command copy slot0:xxxxxxx bootflash:xxxxxxxMy router starts up fine. I did all my co...

HI all,I have a cisco 2821 router in rommon and displaying the message '' softwre forced crash '' and '' checksum error'' .I tried to do rommon tftpdnld but as the image is self decompressing into the ram it again crashes with the same error although...

Hoping someone will be able to assist as I have 3 stacked 3750x switches that need to be configured for VoIP and will require QoS for both the voice and video configured.  To start with I think that the VoIP configuration that will work is as follows...

OK I have a Cisco 4500 switch that I have created a DHCP pool on and it works but Im wondering how it works. The only reason I did it correctly is because I followed a Cisco command book.Hers is what I have: Note names and IP's are changed for obviou...

Can anyone help on this below configuration Platinum (According to real time class)    ****************************************Voice RTPGold (40% of remaining)***********************Voice signallingCitrixVideo conferencingSilver (20% of remaining)***...

Having a problem connecting servers with HP NC550SFP Nic's to Catalyst 6506.Have servers with NC550SFP Nic's and if I plug the SFP Patch cable into a 3750 or 2960 or any other switch (Connected to this same 6506) they link up and work fine. When I pl...

I cannot seem to correct a duplex mismatch issue.I have a Cisco 2950 switch connected to a Cisco 2621 router.  I am running a per-interface Vlan.  I have two fastethernet ports and one NM-1E card installed on the router.  One fastethernet port is con...

Hi Experts,I would like to have a little clarity on Vlan tagging.My understanding is, Switches tags the traffic received on a port (access port) when it passes it over a trunk link and strips off at the other end when it receives them.The traffic bet...

I have a trunk that has all possible vlans allowed on one end (the core switch) and a subset of those vlans allowed on the other end (access switch). If that link goes down, are all the vlans on the core going to go into a spanning-tree recalculation...

We have a switch that, when configuring auto qos on and edge port facing video equipment, the upstream port channel drops.  Can anyone speculate on what this may be?  I was wondering if no auto qos would have to be configured on the member ports of t...

Hi,Can a F2 card handle 15000 BGP ipv4 route?

Hi,I've recently segmented my network and part of the process was creating a DMZ VLAN.  I'm running ESXi 5 and have created two new VM's to add to this DMZ to begin the process of moving everything public facing to the new VLAN.  At this point they n...