Look again at your config. You have put both serial interfaces in the same subnet. Change the address on one of them. > -----Original Message----- > From: anyong [mailto:[EMAIL PROTECTED]] > Sent: Thursday, June 21, 2001 8:56 AM > To: [EMAIL PROTECTED] > Subject: Help on np-2t serial back to back connection please. [7:9308] > > > Hi Group, > > I got a 4500M+ with np-2t and 2 ethernet, I try to make a back to back > connection for the np-2t port 0 and port 1 but the line > protocol always > down. > I tried this setting on 2503 which is successful. > Anyone can help on this? > > Here is the basic config. > > show controllers > DCE V.35 serial cable attached, clockrate 19200 > DTE V.35 serial cable attached > > sh run > ...... > interface Ethernet1 > ip address 202.140.234.85 255.255.255.0 > no ip directed-broadcast > media-type 10BaseT > ! > interface Serial0 > ip address 202.140.235.85 255.255.255.0 > no ip directed-broadcast > no ip mroute-cache > clockrate 19200 > ! > interface Serial1 > ip address 202.140.235.86 255.255.255.0 > no ip directed-broadcast > > show int s0 > Serial0 is up, line protocol is down > Hardware is MK5025 > Internet address is 202.140.235.85/24 > MTU 1500 bytes, BW 1544 Kbit, DLY 20000 usec, rely 255/255, load 1/255 > Encapsulation HDLC, loopback not set, keepalive set (10 sec) > Last input 00:06:28, output 00:00:08, output hang never > Last clearing of "show interface" counters never > Input queue: 0/75/0 (size/max/drops); Total output drops: 0 > Queueing strategy: weighted fair > Output queue: 0/1000/64/0 (size/max total/threshold/drops) > Conversations 0/2/256 (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 > 138 packets input, 9104 bytes, 0 no buffer > Received 116 broadcasts, 0 runts, 0 giants, 0 throttles > 5 input errors, 5 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort > 223 packets output, 13503 bytes, 0 underruns > 0 output errors, 0 collisions, 39 interface resets > 0 output buffer failures, 0 output buffers swapped out > 60 carrier transitions > > > Serial1 is up, line protocol is down > Hardware is MK5025 > Internet address is 202.140.235.86/24 > MTU 1500 bytes, BW 1544 Kbit, DLY 20000 usec, rely 255/255, load 1/255 > Encapsulation HDLC, loopback not set, keepalive set (10 sec) > Last input never, output 00:00:06, output hang never > Last clearing of "show interface" counters never > Input queue: 0/75/0 (size/max/drops); Total output drops: 0 > Queueing strategy: weighted fair > Output queue: 0/1000/64/0 (size/max total/threshold/drops) > Conversations 0/1/256 (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 > 60 packets output, 4999 bytes, 0 underruns > 0 output errors, 0 collisions, 13 interface resets > 0 output buffer failures, 0 output buffers swapped out > 28 carrier transitions > > Please help for this. > I am using DB50 DTE to DB50 DCE v.35 cables. > > anyong > Report misconduct > and Nondisclosure violations to [EMAIL PROTECTED] Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=9328&t=9328 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
