NTP and Alias IP - NTP

This is a discussion on NTP and Alias IP - NTP ; Hello, I have configured NTP (ntp-4.1.2-4) on REDHAT (2.4.21-15). Clients and server, have same OS and NTP ver. I want to use an alias IP address as NTP server to make it portable in any failure case. But I was ...

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Thread: NTP and Alias IP

  1. NTP and Alias IP

    Hello,
    I have configured NTP (ntp-4.1.2-4) on REDHAT (2.4.21-15).
    Clients and server, have same OS and NTP ver.
    I want to use an alias IP address as NTP server to make it portable in
    any failure case.
    But I was not able to use Alias IP while the main IP is working.
    [root@backupserver etc]# ntpq -np
    remote refid st t when poll reach delay offset
    jitter
    ================================================== ============================
    *192.168.210.33 127.127.1.0 11 u 63 64 375 0.152 -5.593
    0.103
    192.168.210.63 0.0.0.0 16 u - 128 0 0.000 0.000
    4000.00
    127.127.1.0 127.127.1.0 12 l 57 64 377 0.000 0.000
    0.004
    I have copied and modified ifcdg-eth0 to ifcfg-eth0:0 to make a alias
    IP addr (210.33 is main and 210.63 is alias).
    Please let me know whether I can use alias IP, as NTP server IP.

    Best regards,
    Shabahang Elmian,


  2. Re: NTP and Alias IP

    Hello,
    I have found the solution inside group.
    I have restarted ntpd deamon with -L option in server side .

    Tnx.
    shabahang




    shabahang wrote:
    > Hello,
    > I have configured NTP (ntp-4.1.2-4) on REDHAT (2.4.21-15).
    > Clients and server, have same OS and NTP ver.
    > I want to use an alias IP address as NTP server to make it portable in
    > any failure case.
    > But I was not able to use Alias IP while the main IP is working.
    > [root@backupserver etc]# ntpq -np
    > remote refid st t when poll reach delay offset
    > jitter
    > ================================================== ============================
    > *192.168.210.33 127.127.1.0 11 u 63 64 375 0.152 -5.593
    > 0.103
    > 192.168.210.63 0.0.0.0 16 u - 128 0 0.000 0.000
    > 4000.00
    > 127.127.1.0 127.127.1.0 12 l 57 64 377 0.000 0.000
    > 0.004
    > I have copied and modified ifcdg-eth0 to ifcfg-eth0:0 to make a alias
    > IP addr (210.33 is main and 210.63 is alias).
    > Please let me know whether I can use alias IP, as NTP server IP.
    >
    > Best regards,
    > Shabahang Elmian,



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