Switching

Hi,After some advice on some odd switch log entries I'm seeing, and I wondered if anyone has an idea of what could be going on.We're a small hosting company, running a VSS configuration on two 6509 Chassis leading off to C2960 rackswitches.We host de...

EDIT: Just confirmed on the forum that sub-interfaces are not possible on 4948.My stupid mistake, I didn't use the search feature earlier.Thanks to original contributors.Cheers-------------------------------------Guys,Is it possible to configure L3 s...

multicast problemtop: 4506------10.44.1.10 |10.44.20.10---7604-----7606 | 6509--------10.44.50.35trouble description:1) 10.44.50.35 can access 10.44.20.10ï¼›2) 1...

Hi,I'm studying for the CCIE R&S, and I would like to know if there would be someone who could provide the deferal version of the IOSc2500-is-l.122-15-T17.bin for a C2501 router.It seems it's the only IOS supporting ipv6 ospf feature... BUT this vers...

Hi,We are looking to upgrade some of the switches in our school. In most switch rooms we have 2950s (WS-C2950G-24-EI) and we would like to add a 3560 switch (WS-C3560G-48PS) to each room.My question is, is it possible to stack these switches together...

Dear Friends ,I have two cisco 1841 router , but for one router searil port is gone only two interface FE are working , and we have One L3 and 10 L2 switches and one ASA 5510 firewall we have , can any one suggest me with these how i can build secure...

On my old 3524 switches I used the'no logging event addr-flap' on interfaces with Access points attached, so when clients roamed between APs you did not get the address flap messageNow on the 3750s IOS 12-2 there is not the same command available so ...

Currenlty our cat3560G-48TS switches are running 12.2(46)SE. I am trying to upgrade it to 12.2(50)SE3 as fix for current DoS vulnerabilities, but getting an error. I checked the checksum and it's ok. Command I am using:#archive download-sw /safe /rel...

has anyone tried using BiDi GBICs in the 3550 series switch?

Has anyone noticed a 3750 stack where all of the port status lights blink simultaneously? If so, has anyone tracked down the root of the problem?Could you share any details on what the fix could be, or even for those who haven't seen it....maybe a li...

HiI?m finding difficulties balancing traffic over multiple links between an Hybrid (Catos/IOS) Cisco Cat 6513 and a Cisco 12000 router managed by my ISP. There are 3 gigabit links between the two devices and I have configured three subnets /30 mappe...

hello all:)please assist me how to configured the network infrastructure as i try to re-create our actual setup in the network?cheers!

I am curious if there is a way to block loops between ports.Here is a situation:client orders 3 network lines. they decide to plug all three lines into an unmanaged switch that they did not inform us about.I am guessing that storm-control broadcast l...