Cisco 2501 Serials busted?

myqctech

When the no shutdown command is issued to S0(DTE) on RouterA it changes its state to up/down...

When the no shutdown command is issued to S1(DCE64000) on RouterB it stays down/down

They are connected by a back to back serial cable... to the interfaces specified above. I ran the erase start as well.
____________________________________________
RouterA#Show run
Building configuration...
Current configuration : 744 bytes
!
version 12.2
service timestamps debug uptime
service timestamps log uptime
service password-encryption
service udp-small-servers
service tcp-small-servers
!
hostname RouterA
!
enable secret 5 $1$Ux3R$eW23aieGi6lJtnRl0we14/
!
ip subnet-zero
no ip domain-lookup
!
!
!
!
interface Ethernet0
description Connected to LAN1
ip address 192.168.11.1 255.255.255.0
!
interface Serial0
description Connected to RouterB
ip address 192.168.22.5 255.255.255.0
encapsulation ppp
no fair-queue
!
interface Serial1
no ip address
shutdown
!
router rip
version 2
network 192.168.11.0
network 192.168.22.0
!
no ip classless
no ip http server
ip pim bidir-enable
!
!
!
!
line con 0
line aux 0
line vty 0 4
password 7 070C285F4D064D5041
login
!
end
RouterA#
_____________________________________________________

RouterB#show run
Building configuration...
Current configuration : 869 bytes
!
version 12.2
service timestamps debug uptime
service timestamps log uptime
service password-encryption
service udp-small-servers
service tcp-small-servers
!
hostname RouterB
!
enable secret 5 $1$IarB$Era6YnpEsk2Cce7wN.WfB0
!
ip subnet-zero
no ip domain-lookup
!
!
!
!
interface Ethernet0
description Connected to LAN2
ip address 192.168.33.1 255.255.255.0
!
interface Serial0
no ip address
shutdown
!
interface Serial1
description Connected to RouterA
ip address 192.168.22.6 255.255.255.0
encapsulation ppp
no fair-queue
clockrate 64000
!
router rip
version 2
network 192.168.22.0
network 192.168.33.0
!
ip classless
no ip http server
ip pim bidir-enable
!
!
!
!
line con 0
line aux 0
transport input all
line vty 0 4
password 7 02050D4808095B741A
login
!
end
RouterB#
RouterB#
RouterB#

dynamik

Is it a DCE/DTE cable? If so, are you sure it's good? Maybe try a show controllers.

APA

show diag
show controllers

show int s 0
show int s 1

Look for the DTR,DXX,DXX entries down the bottom.. post them on here... They often highlight whether it's a cable issue or physical card issue..

myqctech

Dynamik, ive tried 2 different serial cables maybe both are messed up somehow, but i dont think so.

APA, Ill get you that output later tonight

Thanks for the responses people!

myqctech

DCD=up DSR=up DTR=down RTS=up CTS=up

Thats what is says at the bottom of show int s1

** just so we are clear, I checked the orientation of the interfaces to make sure the cables are not upside down or anything like that.

Netwurk

Odds are good that you don't have two bad serial interfaces, so try ser1 if ser0 is bad or vice versa.

Easiest way to check if you have the correct cables is to look on the cables themselves and make sure one end says DTE and the other end is marked DCE. I've seen a lot of different brands of these cables and have yet to see any that are not marked.

Cisco still has the back-to-back lab config documentation on their website, so you might want to have a look there. Should give you more than enough information to get things going.

HDLC Back-to-Back Connections [High-Level Data Link Control (HDLC)] - Cisco Systems

myqctech

Cables are good, and clock is set on DCE - both serial interfaces are acting the same way on the router... i think that router just has some bad serial connections, but im ganna give it another run through later tonight. Ill check out that documentation you posted too!

Thanks again!