Switching

I have a question regarding the default native  vlan, I have a cisco based environment and I set vlan XXX on a native on  trunk links, I also running Multiple Spanning Tree on my switches &  create instances for vlan segregation.My question is here c...

Hi AllI am having a setup of  13-14 switches. Its a mix of cisco , non cisco, unmngabled (dlink) switches. When I try to find a device on which switch it is conncted by tracing MAC address table. Most of the time I end up on switch (Say Switch A) who...

I have Quad Sup2Ts in my 6513E chassis.  I still have ACE 20 modules installed.  I had to downgrade my code to  Version 15.0(1)SY5 in order to support my ACE modules.  This in turn made my chassis redundant supervisors unusable.  Will the ACE 20 modu...

Hi all,I am currently studying for my CCNA and have acquired some cisco equipment to help me with this. One of the devices I have is a Cat 2980G 80 port but for some reason I am unable to connect to it via the console port.  All my other switches and...

6509 VSS with Sup2T PFC4 running in default mode 'src-dst-ip enhanced' for etherchannel load balancing. My understanding is that this includes the VLAN when doing it's calculations.We believe this might be causing problems for our 5508 wireless contr...

Hey All,I'm trying to troubleshoot a problem with our Nexus 5020 switches. We've been having intermittent issues over the last three weeks with server reboots. Windows servers sometimes come up with their NICs missing their IP address. So far we know...

I am working with a Cisco Nexus 3048 using 6.0.1 NX OS, I am unable to get a DHCP Server to issue an address to a DHCP Client via a VLAN they are both part of. Setting up the DHCP access is new to me. Does anyone have the steps needed to allow DHCP o...

I am not sure if I am using the right terminology but I am attempting to build a HSRP pair of 2911s.  The inside interfaces with be Gi0/1-2 and will be Port Channeled to a 3750x.  I have setup HSRP on both routers and it's behaving as expected.The Ou...

Hi, I bought Cisco 2621 router and it starts in rommon mode every time. I found that system image is corupted, where I can download IOS for my router?

Hi everyone,I noticed that while upgrade (152-2.S2) there is no infirmation about update process on console.#archive download-sw /over tftp://172.31.253.51/upgrade-sw/me360x-universalk9-tar.152-4.S1.tarLoading upgrade-sw/me360x-universalk9-tar.152-4....