Other Network Architecture Subjects

Help, when we try and do machine builds with CISCO switches any model it will not work. Has anyone had any similar problems with this in the past? We have tried putting portfast on and taking it off

I want to be able to extract ISDN messages from the Cisco syslog that are generated from the command 'debug isdn q931'. I want to track a single call and see it's disconnect cause code, etc. Are there any scripts out there that do this. If I don't ha...

What's "Native VLAN" mean?Untagged?Or being used for management?Waiting for answers or article links..Thanks a lot.------------------Marco Maiwww.radiome.com.cn

please candid help on this, i'm actually using a 1720 router for practice and have to erase the flash for another practice. but unfirtunately he bring an error message that Load prog: bad file magic number 0X0. boot: cannot load flash.he keep on goin...

Hello!One switch is a member of VTP domain in SERVER modeSecond is a member of the same VTP domain in Client modeThird switch is a member of VTP domain in clinet mode too.When I make changes in server switch.On second switch that is Ok.On third switc...

HiWhen I was try to upgrade the nmidb it always failed, below is the msg. Did I miss out any steps.ThanksEinnPlease wait, installing packages. This could take several minutes.... Pre-installing package nmidb(1.0.082)Pre-installing package nmidb(1.0.0...

Hello,I am working with 2600 and 2950's and I would like to selectively reset different interfaces back to their default settings or basically clear the interfaces. I've looked but can't find the command to do this. Any help would be appreciated.tia ...

Hi,there, 6509 reload automatically always.And when the IOS is loaded,only the super engine is found.The other line card ,such as GE or FE cards all could not be found .I had tried to paste the "sh tech" info on output interpreter,but nothing usefu...

I have one server on a fiber gigabit ethernet port on a 3550-12G (IOS 12.1(8)EA1c) that needs to be shutdowned/no shutdown, every time the server connected reboots, to have the communication stablished.A day I needed to assign 'no speed/speed nonegot...

Hi!Can please anyone tellme which could be the causes that the RcvUNISeqMismatch counters increase on a MGX82xx (UNI PORT), the most of the times i`ve seen for clocking issues, but this time is everything OK!!, we tested OK acces (both sides, SP & C...

routers using auto summary with classless protocols (ie eigrp) don't generate a black hole, even when they have discontiguous IP networks. Instead, they summarize the two discontiguous networks, advertise a much larger route to the rest of the netwo...

I am working in a project where we wish to communicate on ethernet via a UDP protocol utilizing a broadcast. This works well in a stand-alone network, but when connecting networks via a router, this tecnique is not possible. Our approach is then to u...

Well, after thinking that I was in the clear on how I was going to make a major change to this company network on Saturday (two days from now), I discover that the Catalyst 4506 I'm planning on replacing a Catalyst 5500 with will not do what I was to...

Hello, I am Saurav from India. I am having a problem in downloading any file from both my Company Intranet and executable files from internet when I am connected thru Leased Line. But if I connect thru ISDN all my downloads starts working. When in Le...