e1 controller - permanently reset

jmpowell · ‎03-27-2003

I have an e1 controller connecting via standard megastream (RJ-45 / G.703 presentation) and basically trying to create a standard point to point link.

However as soon as the controller is plugged into the line, the interface appears as reset?

The router (2610-XM) passes its local diagnostics i/e line up/protocol up but then when the test finishes drops straight back to 'reset'

I am also seeing some BPV errors at the remote end however this is not Cisco equipment (unfortunately)

Any ideas?

tepatel · ‎03-27-2003

For point to point link, make sure that the other side E1 is also configured accordingly. Now we need to see the running config from the cisco router.

jmpowell · ‎03-28-2003

!

version 12.2

service timestamps debug uptime

service timestamps log uptime

no service password-encryption

!

hostname router1

!

enable secret 5

enable password

!

ip subnet-zero

!

controller E1 0/0

framing NO-CRC4

clock source free-running

channel-group 1 timeslots 1-31

!

interface Loopback0

ip address 192.168.254.1 255.255.255.255

!

interface FastEthernet0/0

ip address 10.10.100.254 255.255.255.0

no ip mroute-cache

speed auto

half-duplex

!

interface Serial0/0:1

description Interface linked to E1 controller Channel Group 1

ip address 96.12.1.2 255.255.255.252

encapsulation frame-relay IETF

logging event subif-link-status

logging event dlci-status-change

frame-relay map ip 96.12.1.1 17 broadcast

frame-relay interface-dlci 17

frame-relay lmi-type ansi

!

ip classless

ip route 0.0.0.0 0.0.0.0 Serial0/0:1

ip route 10.100.0.0 255.255.0.0 96.12.1.1

ip http server

!

line con 0

line aux 0

!

end

tepatel · ‎03-30-2003

Are you sure about the framming is no-crc4? Also the clock source should be "line". So talk to service provider about framming and clock source.

Here are some links which will help you for E1 troubleshooting.

http://www.cisco.com/warp/public/116/E1_error.html

On the bottom of that page, there are some useful links for E1 line toubleshooting.