Switching

Hello, here is the thing. I have the following configuration in my Core Switch:interface Vlan1 ip address 10.24.74.1 255.255.254.0 secondary ip address 192.0.2.54 255.255.255.0 ip helper-address 10.24.86.22 no ip redirectsAs you see, we are using an ...

I have a complex question, maybe not. We recently move half of our servers to a data Center, we are connected Via a layer two link. At HQ we have two Nexus 7k, and at the DC two Nexus 5k. all our routing is located at HQ at the moment. Currently the ...

Hello,I need some help to get vlan's to get working again.I have a c2500 with v 12.4 that works with the config above, now with a new c3600 with the smae config but with v15.2 I can't put vlan's working.I also read about it but I can get it work:Auto...

Hi, I have a SUP8-E on a WS-C4507R+E chassis. According to documentation, the uplink ports does support 1G/10G SFPs. I plugged in 1G SFP but why does it still showing "TenGigabitethernet" when you "show run" or "show interface". Is there any special ...

Hello, I am trying IPv6 Lab on GNS3,   but I am again and again getting the following duplicate error message on my GNS3 router, %IPV6-4-DUPLICATE: Duplicate address FE80::C000:13FF:FE80:0 on FastEthernet0/0 I tried changing my Interface Link-Local a...

Hi all, I need one help from you . That is resently on  nexus 5020 switch in my network got reset and logg shows IT IS BEEN RESET DUE TO crossing major temperature sensor threshold.. I need your help to fin out the root cause of this. Thanks in advan...

I will connect a server on g0/0/2 of ASR with IP add 1.1.1.5 and gateway 1.1.1.1. I want that device to be part of vlan 10 on g0/0/0. What configuration should I place on g0/0/2? As much as possible, I dont want to use bridging because I cannot remov...

Dear colleagues,I'm in the process of updating our Cisco router with some very simple traffic prioritization via destination IP, and wanted to ask if you could review my setup before I push into production.Current hardware is Cisco 2611xm router runn...

Hi all,I have the following physical topology: Router Cisco 2851 <-----> some huawei and raisecom switches <-----> Switch Cisco  WS-C2960-24TT-L <------> Ubnt in AP mode In C2960 there are a lot of warnings regarding to mac flapping: Jul 15 18:11:51....

Hi,I've got a 3750-E switch and in my monitoring tool I'm seeing the following:NODEINTERFACERECEIVEERRORSRECEIVEDISCARDSTRANSMITERRORSTRANSMITDISCARDS core01 GigabitEthernet1/0/500 errors 0 discards 0 errors 470,247 discards I'm at a loss as to wher...

I don't knows if my CORE 6506 support dying-gasp feauture. Somebody could send me a chart with all cisco plataform that support Daying-gasp option? Thanks,

HelloI have a 3 switch stack Switch   Ports  Model              SW Version              SW Image------   -----  -----              ----------              ----------*    1   52     WS-C3750-48P       12.2(25)SEB4            C3750-IPBASE-M     2   52 ...