Switching

Hello,I am trying to upgrade the IOS on my Cisco 871w. I have the enterprise IOS which required me to upgrade the flash. Well since I swapped out the flash the router is booting up to the ROMMON prompt. How do I get the new IOS on to the router? Than...

Hi,1.We are having a 6513 switch currently acting as VTP server.We are having a secondary 6513 switch which we want to configure as secondary vtp server.I wanted to know whether we require any downtime for configuring the secondary vtp server.Will th...

have a 2811 router can I make it my DHCP server for my Lan cannot find how to do it in SDM am I just not looking in the right place to configure it?

Hi all, can anyone tell what devices routers should have as an arp entry, would it be mainly next hop routers, or anything that was pinged from the router ?

Hi all. Here's the situation. We have a L2 3550 access switch dual-uplinked to 2 L3-6513 distributions running OSPF. The uplinks are L2 trunks. Last night the switch began issuing the following error: "%DOT1X_SWITCH-5-ERR_ADDING_ADDRESS: Unable t...

Hi all, can anyone tell me how come that if the dhcp server is sent a request from one of my vlans, and this comes from the vlan L3 interface, how come the dhcp server knows what scope to give out?

Hi all, can anyone tell me how an ip phone gets its dhcp address when a pc and phone are in the same port but using voice vlans. am i right in saying that if the phone tags the packets with a cos tag it will go in the voip vlan automatically? OR does...

please help.is it posible to have 1 Vserver farm with one virtual ip address on two switches not a single switch.??

Hi all, If I pinged a device in another vlan on my layer 3 switch, what is the process is itarp for gatewaysend packet to gatewaygateway sends packet to other subnetarp is sent from router to lanpacket is then switched via layer 2 lanis this correct ...

I have a WS-CAC-1300W power supply that I need to bench-test. I have found the 3.3V, 5V, and 12V outputs on the back but no output from the 42V pin. I'm guessing there is a PS-ON signal to switch on this rail. Can anyone tell me how the 42V output...

How do I check to see my router is setting Dynamic or Static IP? Thanks for your respond.

Hi all, I have asked this before but did not get any answers, I hope someone can help.Can anyone tell me that layer 2 broadcasts are and used for? and what layers 3 broadcasts are and what they used for ?also is a lan broadcast classed as a layer 2 b...

Hi,I am getting the high latency on my LAN devices, i have seen its an intermittent peak in latency. how do it troubleshoot the things please help me out.