Switching

Hi All,We have a strange issue on our network.We have 4 nexus 7000 switches connected through OTV. The problem however is situated only in the main site. So OTV is not used in this case.We installed a new virtual server 10.16.3.6 (Server 2) configure...

Hi,I carried out an upgrade in 4507R with 2 sup V, I loaded in both card 12.2(53)SG10 and I confirmed the redundancy is workingI don't understand why both status led (for Sup V) are in red.the loggs do not show error ,  any idea how can I identify th...

Hi            i need configuration help from your side..

Hello,I looked now some time around, but unfortunately I wasn't able to figure out what limitations regarding etherchannels I have with a Cisco switch stack.For one of our projects I plan to build the platform based on microblades. In sum I plan to s...

Hi Experts,I would like to know the Etherchannel sequence. If I have 2 ports in EtherChannel, for example, port 1 and port 2.  Source and destination mac is my load balance method.  I would like to know when the first packet goes to the Etherchannel,...

Hello everyone. I have Cisco 6509-E with two (active and hot) supervisors SUP720-3B installed. IOS version 12.2.(33)SXI3 installed from factory. I've tried to upgrdade software to version 12.2.(33)SXI12 using instructions from document http://www.cis...

I have a 4900m with IOS 12.2(53) SG2.Over the past 6 months, there have been about 5 instances where the switch has rebooted itself.  Most of them occuring within the last few weeks. So it seems to be getting worse.  dumping the log data showed this ...

Good day,We are currently in this situation, using a Cisco 3750X stack Allen-Bradley ETAP modules.As the ETAP document states, STP is not supported in the lower 'DLR' ring.Therefor they say that the above setup is not supported (while in other docume...

Hi All, I have a cisco router c2600 version 12.4T. I'm trying to configure the E1 on that router and connectto an eFax server. but it seems that there is some thing wrong in the configuration. Are there anything wrong in the config ??Current configur...

Hi,I just opened a new box of 2960-X series switch. The switch is behaving abnormally . It is rebooting I took the output of the error. It will be really helpful for me if you guys ever faced this issue.Another issue I am not able to console into it ...

NOTE: My knowledge of ESX and the 1000v does not run deep so I do not have a thorough understanding of the relationship / integration between those two components.  If anything I'm saying here is out-of-line I apologize in advance.Yesterday a report ...