Switching

SInce the native (default) vlan is vlan 1 and it is untagged i have a question for you guys.  I have shutdown int vlan 1 on my switch so now it is not sending CDP across the trunk since it uses the the native vlan which i have shudown.  I want to set...

I have just configured the following GNS3 network using Cisco 3740 routers:The 192.168.137.0/24 network is connected to my Microsoft Loopback Adapter (C1) which is sharing the internet with my PCs Ethernet Adapter. OSPF is running on all networks (al...

Dear Expert Hello. Is this a Bug ?Please tell me.Detail:I have Catalyst2960.Its IOS is 12.2(37)EY(c2960-lanlite-mz.122-37.EY.bin)That switch is setting the 802.1x. The Authentication method is MAB. After running for several months,Suddenly all LEDs ...

I purchased a WRT-330N about two years ago and it was crap right out of the box. The wireless was flaky, constantly dropped connections and died completely within the first six months.The wired portion still worked, so I made do until this week when ...

     we are replacing two 3750E switches with 4500X using   cat4500e-universalk9.SPA.03.03.02.SG.15111.GS2     couple of questions1. is there a command reference available for this ios - can't seem to find out2. Im using GLC-T gbics and we normally w...

Hello,I am in the process of upgrading our network switches and wondering if the .lic file will work with the new software or if I have to rehost for the move to 15.0.  Its a remote site and I would like to get some solid info before I pull the trigg...

Hi Please find the below the ACLs, would like to know the exact difference between the two ACLs.permit tcp any gt 1023 A.B.C.3D/32 eq 80permit tcp any eq 80 A.B.C.3D/32 gt 1023 TcpEstablishedPlease help            

Finally installed and configuring the 4G card on my 2911 router.  I am connecting with a Verizon SIM.  I have the below configuration, but an unable to connect.  Verizon has given us a static route of 166.143.163.112, but not the mask.....Can someone...

we are trying to mark traffic close to the source, by applying the configuration on the switch, as included in the attachment.Object of this config in the switch is to mark with specific dscp values, to be used in giving prioritization across the WAN...

Hello,I am trying to review the port-channel configuration on a 6500 series. I am issuing the "show etherchannel summary" command and the out put shows the Group, Port-Channel, and Ports. It does not show me the protocol that is in use such as PAgP o...

Hi,we plan to implement VSS on our datacenters (C6509/Sup720), in order to remove L2 loops (currently, access layer are C3750 stacks, which could evoluate for N5K/N2K).I would like to have some feedbacks about VSS stability. Some years ago, I have se...

Hi,We have several Sup720-3B engines in our stock rooms and unfortunately, someone stole all the SP/RP DRAM and SP/RP Flash. Now, we will need to purchase the replacement parts as we will use the engines in the next few months.First question, can I j...