Dear all, Subject added. Sorry for missing subject on first post. Any suggestion on the reference clock was welcome!
Thanks Bob Chan On Sat, Dec 6, 2014 at 9:10 AM, Bob Chan <[email protected]> wrote: > Dear all, > > Do any one using Cisco 7200 as NTP master? and get ref clock from > Microsemi GPS TOD via Aux port > > I used to have a TimeSource3600 to feed TOD to a Cisco7204VXR, but the > TS3600 was dead, and I install a new TimeSource3550 to do the job. > > But I found the 7204 cannot get a reliable PPS from the TS3550, the 7204 > can get TOD for awhile (a few min to an hour) after router boot up, then > lost sync and said "127.127.6.1 was unreachable" > > In TS3550, I set the TOD format to Cisco, and a TOD converter was used to > change output of TS3550 form RS-422 to RS-232 for the Aux port of Cisco > > The 7204 can sync to GPS after a reboot. but after some time (form min. to > an hour) it will lost sync to GPS and said "Bad Time" or "No PPS signal" in > sh ntp asso detail" and sh line aux wil indicate alot of "noise" & "overrun" > > ==== 7204 ==== > > ! config > ! > line aux 0 > ntp refclock telecom-solutions pps cts stratum 0 > no exec > transport input all > stopbits 1 > line vty 0 4 > exec-timeout 20 0 > ! > ntp access-group query-only 95 > ntp access-group peer 96 > ntp access-group serve 97 > ntp access-group serve-only 98 > ntp master > ! > > ! sh ntp ass de > ! > 127.127.7.1 configured, our_master, sane, valid, stratum 7 > ref ID 127.127.7.1, time D8212701.14C20B50 (12:28:49.081 HKT Thu Nov 27 > 2014) > our mode active, peer mode passive, our poll intvl 64, peer poll intvl 64 > root delay 0.00 msec, root disp 0.00, reach 377, sync dist 0.015 > delay 0.00 msec, offset 0.0000 msec, dispersion 0.02 > precision 2**18, version 3 > org time D8212701.14C20B50 (12:28:49.081 HKT Thu Nov 27 2014) > rcv time D8212701.14C20B50 (12:28:49.081 HKT Thu Nov 27 2014) > xmt time D8212701.14C1C10F (12:28:49.081 HKT Thu Nov 27 2014) > filtdelay = 0.00 0.00 0.00 0.00 0.00 0.00 0.00 > 0.00 > filtoffset = 0.00 0.00 0.00 0.00 0.00 0.00 0.00 > 0.00 > filterror = 0.02 0.99 1.97 2.94 3.92 4.90 5.87 > 6.85 > Reference clock status: Running normally > Timecode: > > --More-- 127.127.6.1 configured, insane, invalid, unsynced, > stratum 0 > ref ID .GPS., time 00000000.00000000 (08:00:00.000 HKT Mon Jan 1 1900) > our mode active, peer mode unspec, our poll intvl 64, peer poll intvl 64 > root delay 0.00 msec, root disp 0.00, reach 0, sync dist 103.516 > delay 0.00 msec, offset 0.0000 msec, dispersion 16000.00 > precision 2**20, version 3 > org time 00000000.00000000 (08:00:00.000 HKT Mon Jan 1 1900) > rcv time 00000000.00000000 (08:00:00.000 HKT Mon Jan 1 1900) > xmt time D8212733.14C1CF13 (12:29:39.081 HKT Thu Nov 27 2014) > filtdelay = 0.00 0.00 0.00 0.00 0.00 0.00 0.00 > 0.00 > filtoffset = 0.00 0.00 0.00 0.00 0.00 0.00 0.00 > 0.00 > filterror = 16000.0 16000.0 16000.0 16000.0 16000.0 16000.0 16000.0 > 16000.0 > Reference clock status: No PPS signal > Timecode: *,A,56989,14/11/27,04:29:47,+00.0,0,22N22.238,114E07.820,+0095 > > ! sh lin aux 0 > ! > Tty Typ Tx/Rx A Modem Roty AccO AccI Uses Noise Overruns > Int > * 1 AUX 9600/9600 - - - - - 0 581 > 1/799854 - > > Line 1, Location: "", Type: "" > Length: 24 lines, Width: 80 columns > Baud rate (TX/RX) is 9600/9600, no parity, 1 stopbits, 8 databits > Status: Ready, Active, Modem Signals Polled > Capabilities: EXEC Suppressed, NTP Reference Clock, PPS Reference Clock > Modem state: Ready > Modem hardware state: CTS* noDSR DTR RTS > Special Chars: Escape Hold Stop Start Disconnect Activation > ^^x none - - none > Timeouts: Idle EXEC Idle Session Modem Answer Session Dispatch > 00:10:00 never none not > set > Idle Session Disconnect Warning > never > Login-sequence User Response > 00:00:30 > Autoselect Initial Wait > not set > Modem type is unknown. > Session limit is not set. > Time since activation: never > Editing is enabled. > History is enabled, history size is 10. > DNS resolution in show commands is enabled > Full user help is disabled > Allowed input transports are pad v120 telnet. > Allowed output transports are pad v120 telnet. > Preferred transport is telnet. > No output characters are padded > No special data dispatching characters > ==== End ==== > > I had replace the 7204, reboot the TS3550, replace TOD converter and > related cable.but no luck. > I try to feed the TOD to a com port of PC and can see the timecode for the > hyperterminal. > > In fact, when I turn debug, I can see the 7204 receive the TOD timecode, > but I don't know why just refuse to used it. > > Any idea? > > Thanks in advance for any suggestion. > > > > _______________________________________________ cisco-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
