07-29-2009 09:05 AM - edited 03-11-2019 09:00 AM
Hi guys,
I have configured my 1841 router to be a Master NTP server.
This router has 5 VLANS and hosts coming from all those VLANs can successfully act as NTP clients to get the proper time from the 1841. However, on one of those VLANs, I have an access list applied and hosts on this VLAN can't talk to the NTP master (the 1841)
What do I need to allow on the ACL to allow hosts on this VLAN to use the 1841 as their master NTP?
07-29-2009 11:03 AM
NTP runs on UDP 123 so you'll have to open up that port.
Hope it helps.
07-29-2009 06:29 PM
great, thank you
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