2621XM WIC-1DSU-T1 to VWIC-2MFT-T1 PPP link connectivity
These 2 routers were communicating with each other until recently between a main office and another office on site ~800 feet away. The link uses an underground copper run which was designated as being a T1 line at some point. Someone wiped the configuration on the local side router. For testing purposes we now have both routers in the same room connected with a custom made T1 crossover cable with pins 1 to 4 & 2 to 5 checked with a cat5 tester. The remote side router has a single port T1 DSU/CSU and the cable is connected to port 0 on the local side router. The config in the remote side router has been left as it was when the link was working so that I can try to compliment or mirror this on the local side router. I'm unable to exactly mirror the config of the remote router as the "service-module t1" is not an available option on the local router. So far I'm not even able to ping across the serial interfaces. I'm not a Cisco expert by any means and would appreciate some help from those in the community with more knowledge. Thanks
Remote end has a single port WIC-1DSU-T1 with the following info/configuration known to have been working:
IOS (tm) C2600 Software (C2600-IK9O3S-M), Version 12.2(15)ZJ2, EARLY DEPLOYMENT RELEASE SOFTWARE (fc2) cisco 2621XM (MPC860P) processor (revision 0x100) with 125952K/5120K bytes of memory. Processor board ID JAE07330DD0 (76228176) M860 processor: part number 5, mask 2 Bridging software. X.25 software, Version 3.0.0. 2 FastEthernet/IEEE 802.3 interface(s) 1 Serial network interface(s) 1 Virtual Private Network (VPN) Module(s) 32K bytes of non-volatile configuration memory. 32768K bytes of processor board System flash (Read/Write)
interface Serial0/0 ip address 172.16.48.2 255.255.255.252 encapsulation ppp no fair-queue service-module t1 timeslots 1-24
router eigrp 10 network 10.0.0.0 network 184.108.40.206 0.255.255.255 no auto-summary
REMOTE#sh int S 0/0 Serial0/0 is down, line protocol is down Hardware is PQUICC with Fractional T1 CSU/DSU Internet address is 172.16.48.2/30 MTU 1500 bytes, BW 1536 Kbit, DLY 20000 usec, reliability 255/255, txload 1/255, rxload 1/255 Encapsulation PPP, LCP Closed, loopback not set Last input never, output never, output hang never Last clearing of "show interface" counters 00:11:35 Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0 Queueing strategy: fifo Output queue: 0/40 (size/max) 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, 23 interface resets 0 output buffer failures, 0 output buffers swapped out 0 carrier transitions DCD=down DSR=up DTR=up RTS=up CTS=down
Local has a 2 port VWIC-2MFT-T1 and I have attempted a new config to compliment the remote site config as best I could:
cisco 2621XM (MPC860P) processor (revision 0x100) with 125952K/5120K bytes of memory. Processor board ID JAE07330G8A (3498380581) M860 processor: part number 5, mask 2 Bridging software. X.25 software, Version 3.0.0. Primary Rate ISDN software, Version 1.1. 2 FastEthernet/IEEE 802.3 interface(s) 1 Serial network interface(s) 2 Channelized T1/PRI port(s) 1 Virtual Private Network (VPN) Module(s) 32K bytes of non-volatile configuration memory. 32768K bytes of processor board System flash (Read/Write)
Re: 2621XM WIC-1DSU-T1 to VWIC-2MFT-T1 PPP link connectivity
UPDATE: I determined my contact on site had actually connected the t1 crossover cable to the wrong serial port. I corrected this and made some additional changes to the configs and we are now up and running with verified connectivity. I'll post the info here for anyone else who may benefit:
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