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Need help with my 2501's
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glidesloper
Junior Member
Registered: May 2000
Location:
Country: usa
State: wa
Certifications: mcse, ccnp
Working on: Not sure yet
Total Posts: 12
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I have two Cisco 2501 routers. I can't get the two serial ports to talk to each other. They keep going through resets. I know I have the IP addresses set properly. Both Serial interfaces show up/line protocol down. I have a DTE/DCE cable and have tried it with the clock rate set and unset on the DCE interface. I've tried different encapsulations also. Any suggestions? Thanks.
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 05-17-00 08:19 PM
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-CiscoKid-
Junior Member
Registered: Apr 2000
Location: Fairfield, CT
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Total Posts: 28
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First thing to look at is the "show controller serial 0" command where 0 is the serial interface number that the cable is plugged into. See which router has the DCE side of the cable plugged in. The DCE side needs to be the router with the clockrate command. The DTE side side uses the clockrate determined by the DCE.
Example -
Router(config-if)#ip address 10.0.0.1 255.255.255.0
Router(config-if)#clockrate 64000
Router(config-if)#ctrl^z
Router#wr mem
Router#sh int s0
Shoot me a capture of a "show tech-support" command if that doesn't do it.
-CiscoKid-
CCNP, CCDP, MCSE, A+
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05-18-00 05:58 AM
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-CiscoKid-
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Location: Fairfield, CT
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Total Posts: 28
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05-18-00 09:45 AM
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