Switching

I have a 3550 I am trying to configure OSPF and get :Unknown routing protocol"Ususally means the image does not support ospf.Do I need an image upgrade?Cisco Internetwork Operating System SoftwareIOS (tm) C3550 Software (C3550-I9Q3L2-M), Version 12.1...

Can cisco 3750 just die out after use in a week what is teh cuse of just the fan blowing and no display coming fo rthe switch ports

I have using Cisco 3560 catalyst switchwith IOS Release 12.2(25)SEB4. But the problem is that the switch does not supportservice-policy output to restrict egress bandwidth in an interface as we can do in Cisco 3550 switch.Any workout in this problem....

I passed the CCNA 640-801 exam this morning and i have got 1000 , what i want to say is thanx for every person encourage , support , help me in preparing for the exam and passing especially my friend,teacher, mentor who is Mohammad Moustafa.BR,Ibrahi...

Is there a way in a 3560, 3750 switch and 3845, and 2811 router to tell it to send all config commands someone is typing on the router to a syslog server? Is this only available in TACACS+?

Hello,I have two 2821 cisco routers one of them has cryptographic features and the other doesn't have this feature.so is it possible to upgrade the one without cryptographic feature with the IOS installed in the router that has cryptographic features...

One of the 6509E power supply fails (output failed), so I changed it to a new one, but it fails also..any idea to determine whether the power really failed or something else (like chassis..)..Thanks..

As an example, what I'm trying to accomplish is to prevent two hosts on the same subnet from pinging each other. I prefer to use VACL due to hardware filtering performance and the ability to ACL L2 (same subnet) and L3 traffic but the 2950 doesn't a...

I need some help with setting up NAT on my cisco router. I know how to add port forwarding, eg. ip nat inside source etc... . My question is how do I remove this line or how do I change this line.ThanksJeremy

When traffic gets process switched on a 6500 for whatever reason instead of CEF, what would show up in the source/dest MAC address fields? On my 6500, I have a sniffer set up to sniff 15/1 and can see communication between two hosts on different vlan...

When we give alternative ways of authentication (local & radius), cisco routers bypass the first method of local & go for radius if the user provided username is not in local database.(aaa authentication login default local group radius)But if first ...

I am looking into a switch that is capable of SPANing two ports into one for ATM transactions.There will be Video on one port, and the ATM transaction on the other port.Thsi will be streamed together so that the ATM transaction data is on the picture...

is there a way to be notified when a switch goes down?The only way i can think of would be to use APC powershute.

Hi All, Could anyone be kind to help with the first six subnets of the following address 172.23.0.0/27 WITHOUT inclusion of subnet zero and please explain to help my understanding.RegardsNewnetman