Router# show interfaces serial1
Serial1 is up, line protocol is up
Hardware is HD64570
Internet address is 190.1.2.1/24
MTU 1500 bytes, BW 1544 Kbit, DLY 2 usec,
Reliability 255/255, txload 237/255, rxload 1/255
Encapsulation HDLC, loopback not set
Keepalive not set
Last input 00:00:22,
DCD=up means that the interface is up and Carrier Detect present, right?
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-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
Sent: Saturday, July 12, 2003 11:11 AM
To: [EMAIL PROTECTED]
Subject: dcd=up [7:72175]
Router# show interfaces serial1
fdfdfdfd fdfdfdf wrote:
[SNIP]
> DCD=up DSR=up DTR=up RTS=up CTS=up
>
>
> what is the meaning of "dcd=up"?
> thanks.
This is an interesting reference, which contains a lot about
Synchronous Serial ports.
http://www.cisco.com/en/US/products/sw/iosswrel/ps1828/products_configuration_guide
DCD is the Carrier Detect
Like the CD led on a PSTN line modem.
-Nakul
""fdfdfdfd fdfdfdf"" wrote in message
news:[EMAIL PROTECTED]
> Router# show interfaces serial1
> Serial1 is up, line protocol is up
> Hardware is HD64570
> Internet address is 190.1.2.1/24
> MTU 1500 bytes, BW 1544 Kbit, DLY 2
DCD mean Data Carrier Detect. The signal is generated by the DCE. DCD=Up
normally means that the local DCE device has established a connection with
the remote DCE but under certain scenarios/configs (if the lead is nailed
up) it might not reflect the true state of the connection.
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