Re-post, groupstudy filters part of the e-mail. -------------start re-post---------------------------- My finding is different with you. What IOS version do you use ? This behavior may be version or router type dependent .
r8#sh controllers s0/0 Interface Serial0/0 Hardware is PowerQUICC MPC860 No serial cable attached > There is no way you can spoof a serial line to up/up state via > > configuration... > > > > Here is what I did: > > > > ! > > interface Serial1 > > ip address 10.1.1.1 255.255.255.0 > > loopback > > no keepalive > > ! > > > > Still... > > > > R2#sh int ser 1 > > Serial1 is down, line protocol is down > > Hardware is PQUICC Serial > > Internet address is 10.1.1.1/24 > > MTU 1500 bytes, BW 1544 Kbit, DLY 20000 usec, > > reliability 255/255, txload 1/255, rxload 1/255 > > Encapsulation HDLC, crc 16, loopback set > > Keepalive not set > > Scramble enabled > > 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, 33 interface resets > > 0 output buffer failures, 0 output buffers swapped out > > 0 carrier transitions > > Cable attached: No cable > > Hardware config: No cable; DTE; DSR = DOWN DTR = DOWN RTS = DOWN > > CTS = DOWN DCD = DOWN > > > > If you haven't attached a cable, serial interface will always be > > down/down. > > > > Only if you build a harware loopback interface and can cross the correct > > signals you can spoof the interface... > > > > Only the Ethernet intarfaces can be spoofed by disabling the keepalives.. > > > > Dvass Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=32425&t=32410 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
