[c-nsp] Regarding HSSI Loop back test

[krishna at siticable.co.ug]

Hi Wycliffe,

Thanks for your reply.

I try to ping from outside and its working fine. Hope this solves my problems.

How come am getting lot of CRC errors as all the connectivity is fine?

Thanks once again,

Kris


----- Original Message ----- 
From: "Wycliffe" <bahatiw at ipxtreme.co.ke>
To: <krishna at siticable.co.ug>; <cisco-nsp at puck.nether.net>
Sent: Friday, July 06, 2007 9:55 AM
Subject: RE: [c-nsp] Regarding HSSI Loop back test


> Hi
> Try ping the interface from outside the router. Ie on from onother interface
> like Ethernet
> 
> Wycliffe
> 
> -----Original Message-----
> From: cisco-nsp-bounces at puck.nether.net
> [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of
> krishna at siticable.co.ug
> Sent: Thursday, July 05, 2007 5:42 PM
> To: cisco-nsp at puck.nether.net
> Subject: [c-nsp] Regarding HSSI Loop back test
> 
> 
> 
> Hi All,
> 
> I am doing loopback test for HSSI in  3825 router. I have connected the HSSI
> 
> to a Comtech CDM 600 router by using HSSI to LVDS converter.
> 
> Now I want to test loopback on the router to make sure HSSI is working fine.
> 
> What I did is:
> 
> I have connected the router to the modem (as I told above) and I make a 
> physical loop in the modem with a RF cable (connecting TX to RX).
> and I have give the following configs on the HSSI interface.
> 
> #sh run interface hssi 0/1
> ip address 83.229.2.82 255.255.255.252
> loopback dte
> serial restart_delay 0
> no cdp enable
> end
> 
> and when I ping the interface from the console, i am not getting reply.
> Iam getting the following output when i run "sh int" command:
> 
> 3825#sh int hssi 1/0
> Hssi1/0 is up, line protocol is up 
>   Hardware is M1T-HSSI-B
>   Internet address is 83.229.2.82/30
>   MTU 4470 bytes, BW 45045 Kbit, DLY 200 usec, 
>      reliability 255/255, txload 1/255, rxload 1/255
>   Encapsulation HDLC, crc 16, loopback set (dte)
>   Keepalive set (10 sec)
>   Restart-Delay is 0 secs
>   Last input never, output 00:00:12, output hang never
>   Last clearing of "show interface" counters 00:05:36
>   Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0
>   Queueing strategy: fifo
>   Output queue: 0/40 (size/max)
>   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 parity
>      18 input errors, 14 CRC, 0 frame, 3 overrun, 0 ignored, 1 abort
>      15 packets output, 680 bytes, 0 underruns
>      0 output errors, 0 applique, 22 interface resets
>      0 output buffer failures, 0 output buffers swapped out
>      46 carrier transitions     LC=down  CA=up  TM=down LB=up TA=up LA=up
> 3825#
> 
> 3825#ping 83.229.2.82
> Type escape sequence to abort.
> Sending 5, 100-byte ICMP Echos to 83.229.2.82, timeout is 2 seconds:
> .....
> Success rate is 0 percent (0/5)
> 
> Has anyone else faced this problem before, Please share the solution
> 
> Thanks in Advance
> 
> Kris.
> 
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