[c-nsp] Regarding HSSI Loop back test

[krishna at siticable.co.ug]

Thanks Wycliffe,

I already ordered for another cable and hope it will solve my problem.

Thanks for all in the List for your support and concerns.

Regards,

Kris


Quoting Wycliffe <bahatiw at ipxtreme.co.ke>:

> Normally unless routing is complete to the other side you cannot ping the
> interface from the router. The CRC errors could be as a result of
> 
> 	1) Bad cable or card
> 	2) You have interference or an underlying carrier. 
> I would try and sort number 1 first
> 
> Wycliffe
> -----Original Message-----
> From: krishna at siticable.co.ug [mailto:krishna at siticable.co.ug] 
> Sent: Friday, July 06, 2007 3:00 PM
> To: cisco-nsp at puck.nether.net
> Cc: bahatiw at ipxtreme.co.ke
> Subject: Re: [c-nsp] Regarding HSSI Loop back test
> 
> 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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> > 1:40 PM
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> 1:55 PM
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