Switching

Hi All,I had faced a strange problem on one of our layer-2 switches.Here is the case:we have four layer-2 vlan switches in operation. all runs with spantree MST.The MST configurations are similarly the same. but unfortionately one of our switches goe...

We're bringing a 10 mb Internet connection into our WAN provider's Data Ctr. A firewall will sit on the Internet edge, of course, but we require a low-port-density layer 3 device to sit on the inside and route to our coporate WAN (static routing is s...

Hi Guys, When starting out, wondered what you guys used as your reference points for things like IOS commands, Protocol Numbers, Timers etc when "in field". Im sure over time I will remember them by heart, but struggling a little right now. I have ne...

6500 with SUP2/MSFC2/PFC2IOS 12.2(18)SXD2 I have an IP subnet of 172.16.0.0/16 on vlan 1 and just configured a vlan 145 interface and bound 172.16.145.0/24 to it. When I did that I get a message that vlan 145 IP overlaps with vlan 1. No problems yet,...

I inherited the position of maintain and configuring a Cisco Catalyst 2900 Series XL switch. I've studied the Cisco switch sometime back in college but it has been sometime since then. In any case below are my questions or task that I need to do.1. H...

I have a network setup for pim-sparse ssm and autorp. ip sap listen was enabled on a 3750 (IOS advipservk9-m 12.2(35)SE2). I'm now receiving this error (%MROUTE-6-UNSUPPORTED_SAP_FORMAT: Received unsupported format SAP message from xxx.xxx.xxx.xxx) e...

Hi there!Our equipment: 6506 (on ios) + a lot of 2950,2960,3560.Each distribution catalyst is connected to core using 2xGb ports, these two ports are bundled in etherchannel. As I said we use MST for spanning-tree mode and we have 200+ vlans on all s...

hi.. does 802.1p still exist on the egress access port? or it just maintained across along trunks..(ex: switchA(trunk)SwitchB(trunk)switchC. what does it for actually? is it just for prioritizing just on the trunk? for isl trunk does 802.1p is still ...

I need to create a L2 vlan that should have multicast access. Please how do I go about doing this?I do not want to interface vlan??? and have to configure an ip address as I do not want it to have a L? connectivity but use only multicast to send traf...

Hi Experts!1)we have 6509 sup 720;I Need to implement/CONFIGURE SLB.2)i have 1 printServer,this Server Hold 50 printers ,i want to add another server for load balencing/sharing if the 1 printserver goes down the other takes place,how can i achieve t...

whats the bandwith used by ping and tracert by a single PC?

Hi,could anyone help me to resolve trge following problem.Stub failure on some rane of the portsin WS-X4148-RJ45V SWAMI

Hi All,I have got a core Switch 6506 uplink in ether channel(gi1/1 and gi1/2). core is connected to the access switch port. uplink-------Core6506-----------access3750-----------Monitoring serverI want to monitor the VOIP traffice on the different acc...