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2621XM fast ethernet issue

Hi, I am facing an strange problem. I am using cisco 2621XM router.

Router fast ethernet 0/0 is able to ping its ip itself but not ping LAN network users ip on the same subnet & vise-versa. Port status is showing up when network cable is plugged and down when cable is unplugged & also port is showing admin down when i shutting the port and showing up after no shut fa0/0 port.

1- I have connected my pc dirctly to router fa0/0 & erased all the configuration(only fa0/0 confiugred). ip given to pc and fa0/0 on the same subnet. but again not able to ping from router to PC and vise-versa.

2- Then I have connected my pc dirctly to router fa0/1 & erased all the configuration(only fa0/1 confiugred). ip given to pc and fa0/1 on the same subnet. Now i am able to ping from router to PC and vise-versa.

I also checked above two steps with latest IOS release but not successed.

Please help me out to identify exact cause and its solution.

Thanks in advance.......JEET

1 REPLY

Re: 2621XM fast ethernet issue

Hi Jeet,

You problem may be that you need to use a crossover cable to connect a PC directly into a router.

Or you can connect the PC to a switch with a straight-through cable and the router to the same switch with a straight-through cable.

Cheers:

Istvan

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