Switching

Hi,I would like to upgrade IOS for 6500/SUP720/MSFC3, now it's running with s72033-pk9s-mz.122-18.SXD7 feature set IP W/SSH/3DES LAN ONLY. I'm not sure if i prefer to upgrade IOS to 12.2SXF which feature set i should use.Thanks

Hello All, I know this must be a noob question, but I just want to make sure I am right. I have a dual core network, and as it is now, I have one 2911 Router acting as a voice gateway for our pri. Originally it was a single connection to Core-A, with...

Hello everyone,It is my understanding that the power supplies on a 6500 can operate on 120V and 240V and the only thing needed would be to switch out the power cords running into the power supplies.I am also told that while a 6500 will not power up w...

For serial console access we have a Cisco 2811 with hwic async interfaces connected to our Nokia firewall on its serial console port.  During power up of the Nokia firewall, it stopped it's boot at a prompt waiting for a command to boot.  Are there a...

Hi, I'm trying to preprovision some 2248s on a 5548 running 5.0.3.N1.1 and am getting errors while trying to provision slot numbers between 100-108. These are new switches with enough config on them to make them network accessible, no more, no vPC co...

Hi allI noitced a useful use of a network broadcast on my switch yesterday to help get the arp entry in my switch, ie 192.168.1.255,  do many other people use this? it basically pinged all clients on the net.cheers

Hello,I've run into an interesting problem trying to route VLAN traffic from a L3 switch on towards an ISP edge router. We're trying to share our connection to an ISP with another office by installing a 3750 LAN switch in the path between us and the ...

Hi, I have four 3750s configured in 2 stacks of 2 devices.Each device has two te ports and I have used ether channel to group the te ports.This is a very basic question. When I disconnect a single te port spanning tree goes intolistening/ learning et...

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GuysWe have two routers, connected to a switch over a vlan. I want to run HSRP. It works when I use the interface and an access port on the switch, but fails when I use a sub-interfcae on the router and a trunk port on the switch. Ping connectivity i...

Have 3-port etherchannel on gig interfaces between 2 6500 routes. These two 6500s uplink to 7206 running MPLS over Ethernet."mpls mtu 1530" is configured on 7206 interfaces connected to 6500s. Now I want to configure plain-vanilla "mtu size 1530" ont...

Hi,Just wondered if someone confirm if I could do the following using Nexus OTV. We have two data centres which are connected using vlans which span across both data centres. What it be possible to use OTV so I could segment the 2 data centres using ...