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Hello,
I can ping from Router A to Router B, but I can't do any
TCP i.e. Telnet, SSH, Traceroute, etc
Router Ainterface Multilink1
ip address 192.168.1.1 255.255.255.0
ip directed-broadcast
ip nat outside
no cdp enable
ppp multilink
multilink load-threshold 2 either
multilink-group 1
interface Serial0/0
ip unnumbered Multilink1
ip directed-broadcast
encapsulation ppp
no ip mroute-cache
no fair-queue
service-module t1 clock source internal
ppp multilink
multilink-group 1
!
interface Serial0/1
ip unnumbered Multilink1
ip directed-broadcast
encapsulation ppp
no ip mroute-cache
no fair-queue
service-module t1 clock source internal
ppp multilink
multilink-group 1
From Router B I can do everything using TCPRouter B
interface Multilink1
ip address 192.168.1.2 255.255.255.0
ip directed-broadcast
ip nat outside
no cdp enable
ppp multilink
multilink load-threshold 2 either
multilink-group 1
interface Serial0/0
ip unnumbered Multilink1
ip directed-broadcast
encapsulation ppp
no ip mroute-cache
no fair-queue
ppp multilink
multilink-group 1
!
interface Serial0/1
ip unnumbered Multilink1
ip directed-broadcast
encapsulation ppp
no ip mroute-cache
no fair-queue
ppp multilink
multilink-group 1
Both routers are identical
Cisco Internetwork Operating System Software
IOS (tm) C2600 Software (C2600-IS-M), Version 12.0(5)T1, RELEASE SOFTWARE (fc1)
Copyright (c) 1986-1999 by cisco Systems, Inc.
Compiled Tue 17-Aug-99 14:39 by cmong
Image text-base: 0x80008088, data-base: 0x80B5E15CROM: System Bootstrap, Version 11.3(2)XA4, RELEASE SOFTWARE (fc1)
Rhapsody@FIC uptime is 1 week, 20 hours, 21 minutes
System returned to ROM by power-on
System image file is "flash:c2600-is-mz.120-5.T1"cisco 2610 (MPC860) processor (revision 0x202) with 32768K/8192K bytes of memory.
Processor board ID JAD03342330 (2663084462)
M860 processor: part number 0, mask 49
Bridging software.
X.25 software, Version 3.0.0.
1 Ethernet/IEEE 802.3 interface(s)
1 FastEthernet/IEEE 802.3 interface(s)
2 Serial network interface(s)
32K bytes of non-volatile configuration memory.
16384K bytes of processor board System flash (Read/Write)Configuration register is 0x2102
All I want to be able to do is telnet from
Router A to Router B...I can telnet from
Router B to Router A.Any clues?
Thanks
Rod
It doesn’t appear to have an ACL, so my next question is: is the Ethernet ports go off into a switch and is the switch VLAN'ed, or do they go off into a programmable hub? Are you plugged into a console port or Telnet from a com connection? Try enabling the Cisco Discovery Protocol and see if they see each other remember, by default it will take 90 seconds before they see each other. I would think it’s the cabling but you are able to ping. Also I don't see any routing protocols enabled i.e.: RIP, IGRP etc .If you are com'ed in and have 2 NIC's this could also be the problem.
0 
what I meant to say by com'ed in is telneted into a router from the PC through ethernet or com'ed into the console? sorry it was a late night.
0
just give
line vty 0 4
login
password blablafor both routers i think Router A doesnot have a telnet password so it is obstructed.
0
What are you trying to do here? are you just setting-up both routers to pratice on? if so you need to use DTE/DCE cables on both serial ports and set one of the routers for clocking which ever has the DCE cable.
0
hi there, i am a cisco student, i just hooked up two serial ints on 2 2600s routers s0/0 & s0/1 on RTR-A going to their respective ints on RTR_B (s0/0, s0/1), using yr configs, and nothing else worked (no pings or telnets etc)and RTR-A would not accept the CMD "service-module t1 clock source internal" in any config mode. However as soon as i put clock rates on the DCE ints away she went. So are you using like a csu/dsu or something or are you connecting the serial cables straight to each router. Let us know cause we got 20 cisco routers here to play with and its a good learning curve. (im in New Zealand)Gazzy2000@hotmail.com or reply on this page!
0
me again, hey another thing for the telnet side of it you can go:
Line vty 0 4
no loginthis means theres no password set and youll get straight in without being prompted for one. But you will need a enable password/secret.
0
It appears as though he’s running both routers into a hub or a switch unless he used a crossover to connect the transceivers. It’s not necessary to have serial connections to make this work. As far as serial connections go if it’s a lab you must use a csu/dsu and set both the clock rate and the bandwidth. And give them IP’s and make sure the s0 is the csu and s1 is the dsu or vise versa setting the clock rate on the dsu side. The Ip’s are correct making the network 192.168.1.0 , more information about the set up is needed to help solve the problem.
Sincerely Geo, CCNA
0
geo
What are you talking about, you need to set clocking on one of the router or it's not going to work.
0
Where else are you going to set clocling on, you can't set clocking on a ethernet interface?
0
Me again, im thinking that if the routers are located in different locations they will be using a csu/dsu at each end and will be connected via the POTS...right!, which means the csu/dsu will provide the clocking, an both routers will be DTEs....sound good?however, if the routers are side by side or close, they only need serial cables to connect, with one of the routers being a DCE and that router having the clock rate.
What do ya reckon? wheres all the CCIEs
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