Hello,
I’m asking this question because I’ve already had this problem.
I’d like to know if there’s a way for the switch to keep the date and time configuration on each reboot, since I don’t have an NTP server on the network.
Another question: Is it possible to configure a switch as an NTP server for other switches?
We have two OS6865-U28X core switches and OS2360-P24/48X edge switches.
Thanks for your reply.
Lost Date and Time at each reboot
Re: Lost Date and Time at each reboot
Hi,
not sure if the switch has a RTC-module that would keep the time sync during a reboot.
For the NTP, as far as I know the NTP-Server should be enabled by default you can check with
and enable with
The switch that should sync would need
At least on my OS6860-switch it works that way.
Best Regards
not sure if the switch has a RTC-module that would keep the time sync during a reboot.
For the NTP, as far as I know the NTP-Server should be enabled by default you can check with
Code: Select all
show ip service
Code: Select all
ip service ntp admin-state enable
Code: Select all
ntp server $ip-of-ntp-server-enabled-switch
ntp client admin-state enable
Best Regards
-
- Member
- Posts: 27
- Joined: 21 Oct 2011 09:51
Re: Lost Date and Time at each reboot
Thanks for your reply.
I've got the NTP server active, it sees the client request but doesn't retrieve the date and time info...
On the core :
SURETE|COEUR [U1&U2] -> sh ntp server client-list
Total: 1
IP Address Ver Key
---------------------------------------------+---+-------+
172.30.0.5
On the distribution switch :
sSURETE|SR02 [U1&U2] -> sh ntp status
Current time: Tue, Sep 27 2022 11:22:56.100 (CEST),
Last NTP update: -,
Server reference: INIT,
Client mode: enabled,
Broadcast client mode: disabled,
Broadcast delay (microseconds): 4000,
Clock status: unsynchronized,
Stratum: 16,
Maximum Associations Allowed: 128,
Authentication: disabled,
VRF Name: default
SURETE|SR02 [U1&U2] -> sh configuration snapshot ntp
! NTP:
ntp server 172.30.0.1
ntp client admin-state enable
I've got the NTP server active, it sees the client request but doesn't retrieve the date and time info...
On the core :
SURETE|COEUR [U1&U2] -> sh ntp server client-list
Total: 1
IP Address Ver Key
---------------------------------------------+---+-------+
172.30.0.5
On the distribution switch :
sSURETE|SR02 [U1&U2] -> sh ntp status
Current time: Tue, Sep 27 2022 11:22:56.100 (CEST),
Last NTP update: -,
Server reference: INIT,
Client mode: enabled,
Broadcast client mode: disabled,
Broadcast delay (microseconds): 4000,
Clock status: unsynchronized,
Stratum: 16,
Maximum Associations Allowed: 128,
Authentication: disabled,
VRF Name: default
SURETE|SR02 [U1&U2] -> sh configuration snapshot ntp
! NTP:
ntp server 172.30.0.1
ntp client admin-state enable
Re: Lost Date and Time at each reboot
Hi,
had a look in the mgmt-guide:
Regards
had a look in the mgmt-guide:
So I guess this command is needed on the distirbution switch, as the core switch does not sync with a atomic clock or other NTP-server.To disable an NTP client from invoking tests for NTP server synchronization, enter the ntp server
unsynchronized command, as shown:
->Disabling peer synchronization tests allows the NTP client to synchronize with either an NTP peer that isCode: Select all
ntp server unsynchronized
not synchronized with an atomic clock or a network of NTP servers that will finally synchronize with an
atomic clock
Regards
-
- Member
- Posts: 27
- Joined: 21 Oct 2011 09:51
Re: Lost Date and Time at each reboot
I've tried this command, but I don't think it exists on OS5...
SURETE|SR02 [U1&U2] -> ntp server ?
^
<num.num.num.num> <string>
(System Service & File Mgmt Command Set)
SURETE|SR02 [U1&U2] -> sh microcode
/flash/working
Package Release Size Description
-----------------+-------------------------+---------+-----------------------------------
Taos.img 5.1.43.R02 64370736 Alcatel-Lucent OS
SURETE|SR02 [U1&U2] -> ntp server ?
^
<num.num.num.num> <string>
(System Service & File Mgmt Command Set)
SURETE|SR02 [U1&U2] -> sh microcode
/flash/working
Package Release Size Description
-----------------+-------------------------+---------+-----------------------------------
Taos.img 5.1.43.R02 64370736 Alcatel-Lucent OS
Re: Lost Date and Time at each reboot
the ntp option unsynchronized isn't available anymore (since 3...4 years). This means that the used ntp server (f.e. other switch) needs a connection to a ntp source with better than stratum 16.
-
- Member
- Posts: 27
- Joined: 21 Oct 2011 09:51
Re: Lost Date and Time at each reboot
So whatever happens, I need an external NTP server.