Forum Discussion

Sathish_Kumar_S's avatar
Sathish_Kumar_S
Icon for Nimbostratus rankNimbostratus
Jul 02, 2015

NTP Sync problem after BIG IP LTM system restarted

Hi,   We have upgraded our LTM system to 11.5 in Feb2015 and restarted the system. After that we didnt notice NTP sync got stuck, during our recent preventive maintenance check for "Leap Second" n...
application delivery
LTM
management
performance
TMSH
  • afedden_1985's avatar
    afedden_1985
    Jul 02, 2015

    You said, Seems like after restart it uses other VLAN (say my internal LAN) rather than mgmt (eth0). In our shop we have always used a management route for NTP, if not it will use the TMM default gateway your ingress/egress interface which may or may have port lockdown enabled.

     

afedden_1985's avatar
afedden_1985
Icon for Cirrus rankCirrus
Jul 02, 2015

You said, Seems like after restart it uses other VLAN (say my internal LAN) rather than mgmt (eth0). In our shop we have always used a management route for NTP, if not it will use the TMM default gateway your ingress/egress interface which may or may have port lockdown enabled.