Switching

Is the process the same as with any IOS upgrade? Upload image to both SUPs. Reboot secondary and see if it comes up stable. Force failover after. Running redundant SUP720s on a 6509-E.

Dear All, I am little bit confused with the VMotion topic. I do understand that the VMotion reuqirement is to be on the same subnet because the VM itself as IP does not change, hence obviously, it should be on the same subnet when it move. however, I...

I'm new to using Cisco Config Professional Express but a lot of things are just "off" with this utility.  But my problem for this post is specifically the 891W's internal access point, or initial access to it.  My situation is that I have some 891W's...

Hello,I want to debug the BPDU that causes a port shutdown becuase of bpduguard.I have a port that is disabled becuase of a received BPDU:036206: Aug 23 11:06:03.757 CEST: %SPANTREE-2-BLOCK_BPDUGUARD: Received BPDU on port Gi1/0/5 with BPDU Guard ena...

I recently came across this question:Q) Sort the associated traffic types give below in the correct order, based on priority (highest to lowest priority COS value)call signalling      voice network management               video interactive      vi...

I have a strange situation:Host A is physical and connected to a switch port directlyHost B is virtual (VMWARE) and is on a vSwitch which is connected directly to the same switch as host ASpanning the ports these hosts use I am finding something stra...

Quick question, can either 3825 or 2811s support more than one OSPF virtual-link?example:xxx-xxx-2811-01(config-router)#area 55 virtual-link x.x.x.xxxx-xxx-2811-01(config-router)#area 65 virtual-link x.x.x.xthanks,

hi: i am using Packet tracer to test OSPF DR and BDR bidding. according to text book, if the interface's router ID is the highest , it will become DR and the next highest will be BDR. but in my test, i don't see this happening . R1's conf interface L...

Hello all,Really need some assistance.  We have an issue where a staff member who left the company decided to cause mayhem on departure.  I won't go into details but suffice it to say I have a major problem with our core 2801 router.In summary it app...

I built a VSS pair with a couple of 6509's.  This was our first pair so we took the opportunity to do some testing.  One of the features we tested was the priority/preemption feature, which we decided not to use.  After some time we shutdown switch 1...

Hi,I have applied the following config to a Cisco 6509 to restrict to only 2 physical devices in the vlan and nothing else.I have since dropped a laptop into the vlan and configured an address within the vlan range and I can ping anything inside the ...

Hi How to find out the duplicate entry with different subnet mask:%OSPF-4-CONFLICTING_LSAID: LSA origination prevented by existing LSA with same LSID but a different mask, Existing Type 171115136 LSA: LSID 255.255.255.240 0xA330280 New Destination: 2...