Switching

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I just configured a 2960 switch with 3 VLAN's. I'm having some issues with interfaces when I go look at the system log. They are constantly going up and down.Here is an example:Description: Interface FastEthernet0/9, changed state to downExplanatio...

Hi,I am getting errors on my core router interface. Please check the following show interfaces output.JED-7iHO-GWR-01#show interfaces gigabitEthernet 6/1GigabitEthernet6/1 is up, line protocol is up (connected) Hardware is C6k 1000Mb 802.3, address ...

I have a 3750 switch with intervlan routing enabled. I have created 4 vlans as a,b,c & d. At the moment intervlan routing between all the vlans is possible. But for security reason I DO NOT want vlan c & d to communicate with vlan a & b. I want vlan ...

gamage123 by Level 1
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Q : What is the recommendation when planning for bandwidth requirements at the access to distribution layer links?A: The oversubscription ratio should be no higher than 20:1Can anyone pls explain in detail or give an exemple.. pls... Thanks

I have Smartnet on my equipment and wanted to upgrade the IOS, but Im having a brain fart. The Equipment is WS 3550 48 SMIThe version is 12.1 (22) EA1a running c3550-i9q3l2-mz.121-22.EA1a.bin with 384K bytes of flash-simulated non-volatile configurat...

Hi all. Im running a 2500 with 11.1 firmware. It doesnt seem to support acting as a dhcp server. I see on a pdf on cisco's site that it will do it, so Im thinking this is supported only at a certain version of code and higher. Would anyone know w...

jjoseph01 by Level 3
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I am running the latest 12.1 IOS on my 6009 and I was wondering if I can configure syslog to tell me when someone logs in or out of the switch? Would I need to change anything with the logging facility (don't think I need to)? Right now I have the ...

cisco by Level 1
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So I understand that highest priority wins the DR election and that highest router ID is used to break ties. I also understand that a new router coming online with a higher priority than the rest won't knock down the current DR from its perch.But wh...