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Occasional Contributor II
Posts: 19
Registered: ‎04-24-2016

Time not correct, NTP looks like it's not working

Hello,

After setting the NTP server either in the GUI and CLI and rebooting the IAP 205 the time reverts back to 1970-01-01 00:12:00. How can I test NTP or verify?

 

Also when setting the time using the clock set command I enter in the time as 11 20 00 and when I show the clock it states 04 20 00.

 

ArubaOS (MODEL: 205), Version 6.4.4.3-4.2.2.0

 

Any ideas?

 

Thx,

D

 

Guru Elite
Posts: 20,955
Registered: ‎03-29-2007

Re: Time not correct, NTP looks like it's not working

The IAP needs to be able to reach the ntp server, but you also have to set the Timezone for the correct time.



Colin Joseph
Aruba Customer Engineering

Looking for an Answer? Search the Community Knowledge Base Here: Community Knowledge Base

Occasional Contributor II
Posts: 19
Registered: ‎04-24-2016

Re: Time not correct, NTP looks like it's not working

Yep, done all that but still have issues.

 

D

Guru Elite
Posts: 20,955
Registered: ‎03-29-2007

Re: Time not correct, NTP looks like it's not working

Do you have a firewall that blocks outgoing traffic?  Are you trying to set the NTP server to something internal?  Did the Timezone at least change?

 



Colin Joseph
Aruba Customer Engineering

Looking for an Answer? Search the Community Knowledge Base Here: Community Knowledge Base

Occasional Contributor II
Posts: 19
Registered: ‎04-24-2016

Re: Time not correct, NTP looks like it's not working

Yes, I have a firewall and yes NTP traffic flow has been verified to PC but not IAP 205:

Tracking us.pool.ntp.org [45.79.10.228:123].
Collecting 5 samples.
The current time is 4/25/2016 2:26:16 PM.
14:26:16, -02.3353142s
14:26:18, -02.3432984s
14:26:20, -02.3376330s
14:26:22, -02.3387669s
14:26:24, -02.3429400s

Guru Elite
Posts: 20,955
Registered: ‎03-29-2007

Re: Time not correct, NTP looks like it's not working

Are you saying that your clock is 2 seconds off?



Colin Joseph
Aruba Customer Engineering

Looking for an Answer? Search the Community Knowledge Base Here: Community Knowledge Base

Occasional Contributor II
Posts: 19
Registered: ‎04-24-2016

Re: Time not correct, NTP looks like it's not working

Just showing that NTP can pass my firewall.... But when I reboot the IAP it sets the time to 

 

sh clock = Current Time     :1970-01-01 00:21:46

Aruba Employee
Posts: 95
Registered: ‎09-10-2015

Re: Time not correct, NTP looks like it's not working

can u check for the following log?

 

show log iap-bootup | i NTP

 

basically this shows what happened to NTP while IAP bootsup. Here are samples from lab using 4.2.3

 

1. default ntp.pool.org

 

IAP5# show log iap-bootup | i NTP
Launching NTP Client on pool.ntp.org

 

2. setting ntp via option 42 from DHCP server

 

f0:5c:19:ca:13:1a# show log iap-bootup | i NTP
NTP server 10.70.100.6 received via DHCP option.
Launching NTP Client on 10.70.100.6

 

 

another important thing, which has caused issues in my lab is DNS server setting. IAP should be able to resolve pool.ntp.org. At times one forgets to set DNS server on infrastrucutre devices via DHCP.

 

 

Occasional Contributor II
Posts: 19
Registered: ‎04-24-2016

Re: Time not correct, NTP looks like it's not working

OK, that was it, DNS! When I use the IP for pool.ntp.org the time was correct.

DNS was added under the Static settings but pool.ntp.org was still not resloving.

 

Current Time     :2016-04-27 20:01:41

 

Thx

D

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