Switching

Dear allwe have multiple switch in our network. Switch 1 is spanning tree root switch for all VLANs.we are running 10 VLANs is our networki have configured two links to each switch. primary link is fiber connected to switch 3 and switch 4 via switch ...

Hi all,We're running a simple policy map on a 3750 stack (IOS version 12.2(53)SE2), but the route-map counters do not show any matches:NYKIRDRCX01#sh route-map route-map remote-route, permit, sequence 51  Match clauses:    ip address (access-lists): ...

I have an internal network that is nat to an external IP aaa.bbb.ccc.dddI also have a 3-bit public subnet that terminates on the external IP.On my internal network is a DNS server and I have used one of the public subnet IP as my DNS IP and mapped po...

Hi all,we have two c6509 budled in VSS. I have noticed randomly high usage of CPU, sometimes up to 99% in peaks. I have found that it can be generated by SNMP engine. So I unconfigure all SNMP things. But situation is the same.I would like to know if...

I'm trying to spec some 4500X switches for a customers new Data Center design and found that the 4500X switches are not in the Cisco Configurator. Any ideas on when these switches are available for General Deployment ?

We have a 3750 at the center of one of our offices. This office has two internet connections, and applications that we want to use the seperate Internet connections, but not both. Currently we have an ip route statement on the 3750 sending Internet t...

Hi,I've been having a debate with a colleague about QOS COS values. My colleague says I need to use COS values across layer 2 trunk links between access layer switches and core switches. My argument is if phones are marking packets with DSCP values I...

We have a customer that is relocating thier headquarters. They have a temporary requirement to bridge multiple vlans or a router T3 link to the new location as they cannot change the IP subnets. Setup is 3560 switch connecting to a 3845 then T3 to r...

I have a WS-C3750X-48PF-S switch that will not power up Avaya Model 4620SW IP phones. Following error is displayed:*Feb 28 20:16:11.145 EST: %ILPOWER-3-CONTROLLER_PORT_ERR: Controller port error,Interface Gi1/0/48: Power Controller reports power Tsta...

I'm currently using DLSW to bridge  a VLAN to a remote site and it works fine.  I've been reading up on  L2TPv3 and now I'm wondering if one is better than the other for my  purposes (my hardware will support both), especially if multiple VLANS  are ...

I am trying to extend Vlan 8 from siteA to siteB, but the tunnel is not coming up. I have attached both sites running configs, so if anyone can shed light on this, I'd appreciate it.concourse-2801#sh l2tun tunnel%No active L2TP tunnelsconcourse-2801#...

Hi,i configured a basic topology as following.F1/0 in R1 is 1.1.1.1/24 and F1/0 in R2 is 1.1.1.3/24. R2 is the AVG. In R2, 0007.b400.0101 is the AVF and 0007.b400.0102 is in listen state. in R1 it is the vice versa.Now from host C1, i pinged C2, for ...