Switching

I have a cisco 831 that is configured for pppoe(dsl modem in bridge mode). It has been running fine for a couple months now, but just in the last few days, my eth1 interface connected to the dsl modem keeps bouncing 2 or 3 times per hour. The light f...

I am tryig to install a T1 controller 1mft Wic in a 2811 router. I don't see the contoller to configure it. I do see it if I run sh diag but not in show config. What am I missing to register the card so can set it up for voice.Thanks

Hi all, can anyone tell me the various options for booting in the rommon mode, is this normally used only for copying in a new image etc? do we tell the device where the ios is after initial configuration in the cli using the boot system flash comman...

I have an 871 router at a remote site that terminates a DMVPN to our corporate network. We run Cisco phones through this tunnel to our Call Manager. I configured two DHCP pools, one for the phones and one for workstations on separate VLANs. The phone...

I just install a flexwan module in 6513 switch, the 6513 is running native IOS. I sent the command to power up the module but the logs are say that the device is unsupported

Hi all, after a power failure my stand alone 3560 shows a config.text.renamed and a vlan.dat.renamed instead it's original files.any idea?Thanks a lotCarlo

Hi,I have 2 WS-X6K-sup2-2ge blades for my 6509 and was wondering if they can be converted to work with IOS?I've read that the sup1 and sup2 cannot work with IOS in a 4500, but can they be converted for a 6509?Also, if it is possible can I just use th...

Hi,I am configuring a couple Cisco 2960G switches and for some reason, the VTP information (mode client/domain) doesn't stay in the configuration upon reload (after a copy run start of course). The switches aren't connected together, or to any other ...

My Network 192.168.1.0 / 24I want to allow 192.168.1.151...199 only 80 and 25,how to do acl, wheather i need to create each host wise or can i use any range using subnets.. But i should not allow one host extra or less one host..exact 151..199.can ...

hi!For a network environment with multiple vlans tied with subnets, what would be the different if i've created an subnet without assigning any vlan into it compared to vlan with subnet? Does that meant that subnet is not acessible by any existing v...

Hi,I need to set up a Layer 3 switch for intervlan routing.What are the entry level switches that will do this operation?What components are required?thx

Why do I get the folowing response when I run command "show diagnostic sanity" on a new 720 out of the box from Cisco Systems?Invalid boot image "bootdisk:s72033-ipservices_wan-vz.122-18.SXF8.bin" specified in the boot string.Please check your boot s...

Hi,I currently have a 1000Mb Bellsouth Metro E aggregation port that terminates into a 3560 using 802.1Q trunking. (They are using QnQ tagging) My remote end points are 100Mb 802.1Q tunnels that are also utilizing 3560s. I'll soon be adding an add...