Switching

Morning folks, Had an interesting question put to us which I've not come across before.  Assuming I have a two channel Etherchannel consisting of multimode OM3 fibre,  One pair being 100 meters and the other being 300 meters would this cause any issu...

Hello, today I faced with this problem, 172.22.242.17 – 172.22.242.30, basically we need the Network and subnet mask of this range!! and I solved it with this weird method that we have 13 hosts in this range, so we need subnets of 13 hosts(so we nee...

We have two VRFs on our N7K and there is some traffic needs to be routed between. What is the best way to do this? I am thinking to create a separate VDC as a router to do routing. Can anybody point out if there is a problem with that or suggest a be...

Hello, I have to migrate from IOS 3700 to a Nexus 5000 is there any tool I can use to do the migration ? Thanks. 

hi, when the topology is large, then it is inconvenient to go to each interface and enable PIM, is there a way to enable PIM on all active interfaces of the router? I checked global command, and did not see this

Wondering if anyone can help me out here. My server admin has asked me to redirect any port 443 traffic that is destined to one server to go to another server that is on the same VLAN. The servers themselves are on a separate VLAN from the rest of t...

Hi, I've a new Cisco 7706. When I power on it it continously reboots the module 3 supervisor. I've noticed a "misconfigured" parameter during the boot: "Reset Reason Registers: 0x40 0x0" Normally it is 0x10 0x0.... Anyone knows how to change this ...

I am verifying an inventory for a client for which my company is upgrading the network equipment. I have a few serial numbers without the model number on my inventory and wanted to know how I can look up a device and get the model number. I do not ha...

I have Catalyst 4900M switches I want to trunk across DWDM metro-net but can not get my switches to recognize the CVR-X2-SPF10G, OneX, X2 adapters that all documentations say are supported on this platform.  I am Running 12.2(54)SG iOS, which also sa...

I have a ring with four IE3000-8TC switches Sw1, Sw2, Sw3, Sw4They are configured in this way:____________________________Sw1rep admin vlan 997int gi1/1sw mode trunkrep segment 1 edge primaryint gi1/2sw mode trunkrep segment 1 edge___________________...

We have firewall setup to allow ssh from a single public address to one of our switches inside the firewall. I had Cisco TAC examine acl rules and all is well. However the ssh connection always times out. SSH works fine inside. Anybody know what cou...