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Author Help with serial port Please!!!!
aadami1

2001-09-05, 5:37 pm

Can't get the int s1 working !!!

Hello

Can someone help me please.
I'm trying to configure this 2500 router and the S1 just won't come up. Please assist me with your input.

Here's the config and some show comm.

router1#sh run
Building configuration...

Current configuration:
!
version 11.2
no service password-encryption
no service udp-small-servers
no service tcp-small-servers
!
hostname router1
!
!
no ip domain-lookup
!
interface Loopback0
ip address 10.1.5.1 255.255.255.0
!
interface Ethernet0
ip address 10.1.1.1 255.255.255.0
!
interface Serial0
ip address 161.196.84.1 255.255.255.0
bandwidth 1000000
clockrate 125000
!
interface Serial1
ip address 172.16.30.1 255.255.255.0
!
router ospf 1
network 10.1.1.1 0.0.0.0 area 0
network 10.1.2.1 0.0.0.0 area 0
network 10.1.5.1 0.0.0.0 area 0
!
router rip
network 1.0.0.0
!
no ip classless
!
!
line con 0
line aux 0
line vty 0 4
login
!
end

router1#sh ip int brief
Interface IP-Address OK? Method Status Protocol
Ethernet0 10.1.1.1 YES NVRAM up up
Loopback0 10.1.5.1 YES NVRAM up up
Serial0 161.196.84.1 YES NVRAM up up
Serial1 172.16.30.1 YES NVRAM up down
router1#sh int s1
Serial1 is up, line protocol is down
Hardware is HD64570
Internet address is 172.16.30.1/24
MTU 1500 bytes, BW 1544 Kbit, DLY 20000 usec, rely 255/255, load 1/255
Encapsulation HDLC, loopback not set, keepalive set (10 sec)
Last input never, output 00:00:10, output hang never
Last clearing of "show interface" counters never
Input queue: 0/75/0 (size/max/drops); Total output drops: 0
Queueing strategy: weighted fair
Output queue: 0/1000/64/0 (size/max total/threshold/drops)
Conversations 0/1/256 (active/max active/max total)
Reserved Conversations 0/0 (allocated/max allocated)
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
103 packets output, 3577 bytes, 0 underruns
0 output errors, 0 collisions, 37 interface resets
0 output buffer failures, 0 output buffers swapped out
0 carrier transitions
DCD=up DSR=up DTR=up RTS=up CTS=up

Please help !!!!!!
Retired-Mod

2001-09-05, 5:41 pm

One router serial ain't gonna come up without a loopback to it. Best bet is to get a second router and a DTE/DCE crossover cable.

Retired
aadami1

2001-09-05, 5:51 pm

Thanks a lot Retired-Mod
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