From: Tim Szigeti (szigeti@xxxxxxxxx)
Date: Fri Feb 22 2002 - 21:16:03 GMT-3
ok - this is the trick they're looking for.
excellent! thanks geoff!
-tim
------
(nothing connected to ser 2/1)
R4#show run int ser 2/1
Building configuration...
Current configuration : 92 bytes
!
interface Serial2/1
no ip address
dialer dtr
end
R4#show int ser 2/1
Serial2/1 is up (spoofing), line protocol is up (spoofing)
Hardware is M4T
MTU 1500 bytes, BW 1544 Kbit, DLY 20000 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation HDLC, crc 16, loopback not set
Keepalive not set
Restart-Delay is 0 secs
Last input never, output never, output hang never
Last clearing of "show interface" counters never
Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0
Queueing strategy: weighted fair
Output queue: 0/1000/64/0 (size/max total/threshold/drops)
Conversations 0/0/256 (active/max active/max total)
Reserved Conversations 0/0 (allocated/max allocated)
5 minute input rate 0 bits/sec, 0 packets/sec
5 minute output rate 0 bits/sec, 0 packets/sec
0 packets input, 0 bytes, 0 no buffer
Received 0 broadcasts, 0 runts, 0 giants, 0 throttles
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort
0 packets output, 0 bytes, 0 underruns
0 output errors, 0 collisions, 5 interface resets
0 output buffer failures, 0 output buffers swapped out
2 carrier transitions DCD=down DSR=down DTR=down RTS=down
CTS=down
R4#
> -----Original Message-----
> From: Geoff Zinderdine [mailto:geoffz@aegis-networks.com]
> Sent: Friday, February 22, 2002 4:01 PM
> To: 'Tim Szigeti'
> Cc: ccielab@groupstudy.com
> Subject: RE: serial up/up when not connected?
>
>
> >this is easy with an ethernet (no keep) - but what's the trick for a
> >serial?
>
> Can use "dialer dtr" on int and then no shut it and it will spoof up.
>
> Geoff Zinderdine
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