01-18-2004 05:40 AM - edited 03-02-2019 12:58 PM
Hi.. i'm just a newbie...
I have configured my 1601 router.. i have a csu/dsu..
I'm logged in to the router from a PC (telnet)..
I can ping my Eth0 but my Se0.. request timed out..
sh ip int brief.. says Serial is up and Line protocol is up..
sh controllers.. says that DTE cable is connected..
could i have a hardware problem? how do i resolve this.. please help me..
01-18-2004 04:03 PM
Hi.. i'm just a newbie... Please someone help me..
I have configured my 1601 router.. i have a csu/dsu..
I'm logged in to the router from a PC (telnet)..
I can ping my Eth0 but my Se0.. request timed out..
sh ip int brief.. says Serial is up and Line protocol is up..
sh controllers.. says that DTE cable is connected..
Encapsulation is HDLC. and not frame relay.. i have searched the forum archive..
could i have a hardware problem? how do i resolve this.. please help me..
01-19-2004 05:23 AM
can you past in a sh int serial x and a sh cdp nei , is the encap on the remote end hdlc?
01-20-2004 06:56 AM
my network looks like this.. encap is both hdlc
10.0.1.1eth0 <> 10.0.0.1se0 <--csu/dsu--><--csu/dsu--> 10.0.0.2se1 <> 10.0.2.1eth1
my PC is 10.0.1.2.. i telnet 10.0.1.1eth0 and tried to ping 10.0.0.1se0 .. request timed out
do i have to configure a static route from my eth0 to se0?
01-20-2004 07:32 AM
can you paste in a sh int serial 0 & serial 1 a sh cdp nei from both ends also are box routers cisco boxes , if they are not hdlc will not work , you must use ppp
01-20-2004 05:05 PM
routing is enabled.
-----------------------------------------------------------
Current configuration:
!
version 11.1
service config
service udp-small-servers
service tcp-small-servers
!
hostname Router A
!
enable secret
enable password
!
ip subnet-zero
no ip domain-lookup
!
interface Ethernet0
ip address 10.0.1.1 255.255.255.192
no ip route-cache
no ip directed-broadcast
!
interface Serial0
ip address 10.0.0.1 255.255.255.248
no ip route-cache
no ip directed-broadcast
!
ip classless
ip route 0.0.0.0 0.0.0.0 10.0.0.2
!
line con 0
exec-timeout 0 0
line vty 0 4
password
login
!
end
------------------------------------------------------------
Current configuration:
!
version 11.1
service config
service udp-small-servers
service tcp-small-servers
!
hostname Router B
!
enable secret
enable password
!
ip subnet-zero
no ip domain-lookup
!
interface Ethernet0
ip address 10.0.2.1 255.255.255.240
no ip route-cache
no ip directed-broadcast
!
interface Serial0
ip address 10.0.0.2 255.255.255.248
no ip route-cache
no ip directed-broadcast
!
ip classless
ip route 0.0.0.0 0.0.0.0 10.0.0.1
!
line con 0
exec-timeout 0 0
line vty 0 4
password
login
!
end
------------------------------------------------------------
sh ip route
Gateway of last resort is 10.0.0.2 to network 0.0.0.0
10.0.0.0/8 is variably subnetted, 2 subnets, 2 masks
C 10.0.0.0/29 is directly connected, Serial0
C 10.0.1.0/26 is directly connected, Ethernet0
S* 0.0.0.0/0 [1/0] via 10.0.0.2
I am in Router A.. i just want to know how to connect eth0(routerA) to se0(routerA)?
01-20-2004 06:27 PM
cdp isn't enabled. routing is enabled. boxes are cisco. encap is hdlc. both routers have serial and eth up / up.
01-21-2004 05:52 AM
I do not see cdp disabled in your config , also can you ping from router a roouter> ping 10.0.0.2
Can you paste in sh int serial 0 from both sides
01-23-2004 07:11 PM
Thanks...
I think I have a Hardware Problem. My Serial Interface is somewaht defective because I have configured the two routers back to back with (DCE-DTE cable) - eliminating the csu/dsu and the telco line. RouterA has increasing CRC, Frame, Output Errors and Interface resets. Inverting the config (DTE-DCE) same routerA still has increasing errors.
Um, can i fix this?
01-24-2004 08:22 AM
Hello.
The DCE side of the link needs to provide clocking. Do a "show controllers" and see which end is dce and apply the "clockrate" command.
Example:
============
interface Serial1
ip address 11.0.0.2 255.255.255.0
clockrate 64000
=============
-Rob
01-24-2004 03:19 PM
Yes sir.. i configured clockrate on the DCE side.. and i tried inverting it.. e.g.
RouterA DCE clockrate 64000 <---> RouterB DTE
RouterA DTE <---> RouterB DCE clockrate 64000
In both configs, RouterA always has incrementing output erros, CRC, Frame, and interface resets.
Find answers to your questions by entering keywords or phrases in the Search bar above. New here? Use these resources to familiarize yourself with the community: