Other Network Architecture Subjects

I am trying to perform password recovery for some people that manage a certain router. They do not have old configs or a good password for this router. I am using hyperterm with windows xp on a laptop and use ctrl func break and it is not breaking....

Hi all,I have a very weird problem with a 6506 connecting to a 3750 over single mode fibre.The connection is single mode fibre using LX/LH Gbics. When i try to connect using the 6506 the connection shows as down/down. If i replace the 6506 with a 356...

Hi guys, I inserted my original compact Flash MEM-C6K-CPTFL256M on disk0 on SUP32-ge-3b. The goal is to backup the IOS on my flash.I insert the flash:01:00:18: %FILESYS-SP-5-DEV: PCMCIA flash card inserted into disk0but when i try to format or copy t...

It appears that mac-auth-bypass was added in 12.1_22_ea9. But apparently only to 2940's?http://www.cisco.com/en/US/docs/switches/lan/catalyst2950/software/release/12.1_22_ea9/release/notes/OL11484.html#wp999558Can anyone confirm this is not available...

Hi,I'm trying to simulate VLAN on Boson. I try to configure 3550 switch to handle inter-vlan routing. I configure 1 vlan. Vlan100. then i put an ip add on that vlan. then i try to connect 1 2950 switch in that vlan. then connect 1 pc. but when i try...

we have two vtp domains in our hosp. I have a switch I would like to share between the two. Have some ports vlaned to a network defined on one vtp domain and others to the others to a network on the other vtp domain. This should work right? with t...

hi,i have 2 4506 switches, running as Primary and Secondary core. I have a hsrp configured for different interfaces... On primary switch, Interface Grp Prio P State Active addr Standby addr Group addrVl91 0 200 P Standby 10.3.1...

A user connected a 16 port switch into his desk port and the bpdu settings on the port changed state to errdisable. I've since changed the settings removing spanning-tree portfast and spanning-tree bpduguard enable and despite typing shutdown follow...

Hello, I have a switch core 6509 with SUP720 module.Now it appearing error message with show log commands " Nov 8 07:26:50: %SCHED-DFC1-2-SEMUNLOCK: L2 Aging Task attempted to unlock semaphore owned by Unknown.-Traceback= 203F16AC 206F53A4 206F4EA0 ...

I have two 6509s to be configured as ditribution switch and I am looking for a proper way to inter-connect these 2 gigabit interfaces 9/15 and 9/16 on switch A and 9/15 - 9/16 on switch B.I had the 2 gigabit interfaces configured as switch port and r...

Hi All;I have a c2600 router with System image file is "flash:c2600-i-mz.123-24.bin running, i'm trying to configure subinterfaces on the device however the device doesn't give me the option to enter the encapsulation or ISL commands hence i can't ...

We are changing from the DELL 6224 layer-3 to a Cisco 4948 layer-3. Are their any compatibility issues with the two devices, we will be using vlans, tagged and untagged.Thanks

I have a 3560 and trying to downgrade the ios from 12.2.35.se5 to 12.2.25.seb5gettting this error message =================================================Error: The image in the archive which would be used to upgradeError: system number 1 does not s...

What year was RSPAN introduced into the catalyst line? Are there are technical papers available showing this?Thanks