Switching

Hello,According to official certification guide for CCIE v4, it is written that one of the conditions that 2 routers can become neighbors is "OSPF Hello and Dead timers must be equal".As it is known, the timers can be configured in 2 ways, on interfa...

I have a Cisco 850 router that whas having problems getting an ip address via DHCP. I did some stuff on it but that didn't work, so I rebooted the router to go back to my last saved startup config. When I turned it back on and connected t othe CLI co...

Hello Everyone,If I have a 2811 router with 10.70.0.1 as the inside interface IP address and it is handing out DHCP ip addresses in teh 10.70.0.x range to clients and telling them to use 10.70.0.1 as teh Default Gateway how do I configure a second ra...

is there a way to see if my SPAN config is running OK without connecting sniffer? something in the CLI?this is my config:Switch#sho monSession 2---------Type                   : Local SessionSource Ports           :    Both               : Gi1/0/6Des...

I have been asked to upgrade the IOS images on three 4506 switches with a single Supervisor IV engine in each to allow for SSH2 access.The current image is cat4000-i5s-mz.122-25.EWA.binI have uploaded cat4000-i5k91s-mz.122-25.EWA14.bin to bootflash o...

Hello Experts,I have an Extremely Old switch that I need to connect to my network.  Because it is so old I don't want it to become the Root Switch.Can anyone tell me what is the command to change the priority. (Honestly I don't remember if it has to ...

I have two stacks of 3750 switches with the following configuration:1:ws-c3750g-12s2:ws-c3750g-12s3:ws-c3750g-12s4:ws-c3750g-48ts5:ws-c3750v2-24tsI have just upgraded the software to the Cryptographic Services image in order to use SSH rather than te...

hi to everyone,my MSFC2 sent this strange log message.%DATACORRUPTION-SP-1-DATAINCONSISTENCY: copy errorThe error message decoder tool says: "NOT FOUND".Had someone of you the same log message??The level is "alert".Thank You very much!!giorgio