From: Ahmed Mamoor Amimi (mamoor@xxxxxxxx)
Date: Wed Feb 20 2002 - 21:16:47 GMT-3
Sandro,
1. peer-Allows time requests and NTP control queries and allows the system
to synchronize itself to a system whose address passes the access list
criteria.
2. serve-Allows time requests and NTP control queries, but does not allow
the system to synchronize itself to a system whose address passes the access
list criteria.
3. serve-only-Allows only time requests from a system whose address passes
the access list criteria.
4. query-only-Allows only NTP control queries from a system whose address
passes the access list criteria.
In simple english .... there are 3 things to be considered
1 time-request (T-R) ------> will ask what time is it.
2 control queries(C-Q) ------>exchange control parameters.
3 syncronize (SYNC) ------> will forcefully sync its clock.
peer = T-R + SYNC
serve = T-R + C-Q
serve-only = T-R
query-only = C-Q
http://www.ietf.org/rfc/rfc1305.txt
-Mamoor
----- Original Message -----
From: Sandro Ciffali <sandyccie@yahoo.com>
To: <ccielab@groupstudy.com>
Sent: Thursday, February 21, 2002 4:38 AM
Subject: NTP access-list
> Can someone Pls. explain me directly in plain english
> with example what does ntp access-group serve,
> serve-only, peer and querry only pls. I get confused
> in the wording "sytem synchronizes itself..."
>
> Thanks in advance
> Sandro
>
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