Switching

A friend of mine trying to filter or block the hsrp multicast traffic over a QnQ trunk link because it is causing some issue on the network. Can you please advise if there is any possibility to block the hsrp multicast over trunk link. Here is the sc...

          We are moving from an older 4510RE- to the newer 4510RE+ chassis. We have a WS-X4648-RJ45V-E card from the old chassis that we purchased and would like to put into the new chassis. I can no longer order this card for a 4501RE+ and I want to...

Hello, everybody!I have two routers, which I want to bind with OSPF. The problem is I can't made them to be neighbors for each other. I receive the following error message on router: sz-novg-derzh-2#Oct 25 09:59:19.023: %OSPF-5-ADJCHG: Process 1, Nbr...

Help me pls I am connecting cisco 2960  series(WS-C2960-48PST-L)switch and planet switch via sfp port , the link in not up and also orange light is not blinking in the switch , i am using cisco module(GLC-SX-MMD ) in cisco side and planet module in t...

We are switching to a new ISP. The ISP is providing us with two VLANs (20 and 30) on one optical line. VLAN 20 will be used to route our internal users to the Internet while VLAN 30 will be used to route replication traffic from our internal network ...

Could you please advise what "aggregated" mean in these log events? The reason for asking is that there is no aggaregated ports configured in the switch.Switch SG200-18.Log:2147483636     2013-Oct-28 09:40:25    Warning     %STP-W-PORTSTATUS: gi12: S...

Hi all,I have a project for a new network to change today's components.Today my network is composed with differents CISCO 3750G and a lot of 2960/C/SX.I have to change my topology to have 3 layers:- 2 servers switchs- 2 switchs for VSS- Access layer1...

I read on the "Release Notes for Cisco IOS Release  12.2SXF and Rebuilds"  and saw if using IOS version 12.2(17b)SXA and later provides support for more than 1Gbps of traffic per Etherchannel on the WS-X6548-GE-TX and WS-X6548V-GE-TX switching module...

Hello everyone!I know this might be a silly question, but im somehow unable to configure "Storm-control action shutdown" on a 6500 VSS running 12.2(17r)SX7.I found that the command exists in the command referance of IOS 12.2SX but when I try to issue...

Hi, One of our networks currently has a nexus 5548 acting as core. There are 2248/2232 connected to this as fex members. There is also another nexus 5K connected as edge switch to this core.We'r getting following messages on the core switch,CORE_SW %...

Hi Guys,I want to ask for your help to have a look at one of our problems that we configured STP for Cisco switches.In this scenario All the switches have that stp mst mode configure. Except that all the access switches don't have instance 3. For ins...