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Webcast-Catalyst9k
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Serial0 protocal is down

hello , i'm newbie.

my head office linking leaseline(point-point) to branch office.

head office ( cisco2511 ) serial0 state is up, but protocal is down.

i'm debug serial interface :

=======================================

00:24:06: HD(1): Cable is unplugged.

00:24:36: Serial0: attempting to restart

00:24:36: HD(0): Deasserting DTR and RTS

00:24:36: HD(0): Reset from 0x3031438

00:24:36: HD(0): Asserting DTR

00:24:36: HD(0): Deasserting LTST

00:24:36: HD(0): Asserting DTR and RTS

00:24:36: HD(0): got an interrupt state = 0x814F

00:24:36: HD(0): New serial state = 0x014F

00:24:36: HD(0): DCD is up.

00:24:36: HD(1): New serial state = 0x0600

00:24:36: HD(1): Cable is unplugged.

00:24:36: HD(0): got an interrupt state = 0x815F

00:24:36: HD(0): New serial state = 0x015F

00:24:36: HD(0): DCD is up.

00:24:36: HD(1): New serial state = 0x0600

00:24:36: HD(1): Cable is unplugged.

00:24:51: HD(0): Deasserting DTR and RTS

00:24:51: HD(0): Reset from 0x3031438

00:24:51: HD(0): Asserting DTR

00:24:51: HD(0): Deasserting LTST

00:24:51: HD(0): Asserting DTR and RTS

00:24:51: HD(0): got an interrupt state = 0x814F

00:24:51: HD(0): New serial state = 0x014F

00:24:51: HD(0): DCD is up.

00:24:51: HD(1): New serial state = 0x0600

00:24:51: HD(1): Cable is unplugged.

00:24:51: HD(0): got an interrupt state = 0x815F

00:24:51: HD(0): New serial state = 0x015F

00:24:51: HD(0): DCD is up.

00:24:51: HD(1): New serial state = 0x0600

========================================

how to correct this problem ? please help.

1 REPLY
Gold

Re: Serial0 protocal is down

Hi,

Your problem is this : 00:24:06: HD(1): Cable is unplugged.

Please plug the cable in !!!

Thanks --

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