Switching

Hello everybody,I would like to know if there is a procedure on how to installed the Cisco Netflow daugther card. We have a 4507R with two sup-IV engines Active/Standby in a production environment. I had the idea to removed the standby supervisor and...

Dear all,I wonder what are the differences between the following elements within the same module (sup720 or any else  DFC or non DFC module) :  outlet temperatureinlet temperaturedevice-x temperature (x here means a number between 1 and  2) asic-x te...

Hi,    I have a test bed in which i urgentely need configuration help in L3 switches:-1) There are two switches of cisco 3750G.2) one switch is configured with 3 vlans.3) we need to configure second switch for redundancy .4)A PC with linux system and...

Hi All,I have one L3 switch 3560 and 2 L2 2950 switches connected to it.1. Trunk enabled on both sides (L3->L2 & L2->L3)2. Configured Vlan1 on L2 switches (IP: 10.28.1.2)3. Default gateway on L2 switches is 10.28.1.1 (one of the Vlan IP in L3 switch)...

Can i disable STP on Catalyst 6509 & Catalyst 3750 globally ?  If yes command ?Can i disable STP on Catalyst 6509 & Catalyst 3750 per interface ? If yes command ?

Hi    i'm facing very serious problem regarding stacking between cisco 3750 switches:- We have two cisco 3750G (48 port) and this new cisco 3750 (24 port).Both switches are unconfigured.When we connect stacking cable between them, then First switch(c...

Hello,I have a cisco 2924XL Catalyst switch.I want to make tree vlan's with different subnet's.(192.168.1.254/24:192.168.2.254/24:192.168.3.254/24)I made the vlan database and the vlan interface and i put the vlan's on interfaces 0/1 0/2 0/3Now here ...

Hi Guys,We have a ADSL connection which is connected back to our HQ via LANtoLAN VPN tunnel but the DSL connection keeps dropping. As far as I can tell there is nothing else connected to the line. I have pasted the output below of the show dsl int at...

Greetings,I'm in need of multiple gigs of bandwidth between two 6500s.As far as I see it I have 3 options:Take 3 1Gb circuits, configure them as individual layer 3 interfaces and use OSPF/CEF to loadbalance traffic.Take 3 1Gb circuits, configure them...

HI all,         I have a 2900 switch connected to 1700 series router. The router is configured as router on a stick with multiple DHCP pools, so the port connected to the switch is a trunk port at both end.Hosts connected to the switch are able to gr...

Hello,we have several cisco switches and routers (with different ios versions, e.g. Catalyst 4000 L3 Switch Software (cat4000-I9S-M), Version12.2(25)EWA4, RELEASE SOFTWARE (fc1))which have exactly the same snmp engineid (80 00 00 09 03 00 02 00 00 00...

HelloI have a primary server vtp structure (30+ switches) for normal traffic and a transparent vtp setup (2 4506s) for backups and server management. The transparent zone has multiple private vlans for our various subnets, the primary group acting as...

I have a 4506 with SupIV, cat4000-i9s-mz.121-19.EW1.bin.Every few hours (once a day, but not at the same time very day) the 4506 removes all connected interfaces from the routing table, then adds them a few seconds later. Why is it doing this and can...