Nortel Networks 4050 Benutzerhandbuch
478 Chapter 10 Configuring system settings
320818-A
retransmit <interval>
Sets the interval for retransmitting a DNS query.
•
interval
is a positive integer that indicates the
time interval in seconds (
s
), minutes (
m
), or hours
(
h
). If you do not specify a measurement unit,
seconds is assumed. The default is 2 (2 seconds).
count <count>
Specifies the number of retries.
•
count
is a non-negative integer that indicates the
maximum number of times a DNS query is
retransmitted. The default is 3.
retransmitted. The default is 3.
ttl <ttl>
Specifies the maximum time to live (TTL) value for
entries in the DNS cache. After the TTL has expired,
the entries are discarded.
entries in the DNS cache. After the TTL has expired,
the entries are discarded.
•
ttl
is a non-negative integer that indicates the
TTL value in seconds (s), minutes (
m
), hours (
h
), or
days (d). You can enter compound values (for
example, 2h30m). If you do not specify a
measurement unit, seconds is assumed. The
default is 3h (3 hours).
example, 2h30m). If you do not specify a
measurement unit, seconds is assumed. The
default is 3h (3 hours).
health <interval>
Sets the interval for the Nortel SNAS 4050 to check the
health of the DNS servers. At the specified interval, the
Nortel SNAS 4050 performs a DNS query to each DNS
server in the system configuration to determine its
health status.
health of the DNS servers. At the specified interval, the
Nortel SNAS 4050 performs a DNS query to each DNS
server in the system configuration to determine its
health status.
•
interval
is an integer that indicates the time
interval in seconds (
s
), minutes (
m
), or hours (
h
). If
you do not specify a measurement unit, seconds is
assumed. The default is 10 (10 seconds).
assumed. The default is 10 (10 seconds).
hdown <count>
Sets the health check down counter.
•
count
is a positive integer that indicates the
number of times a DNS server health check can
time out before the Nortel SNAS 4050 determines
the DNS server is down. The default is 2.
time out before the Nortel SNAS 4050 determines
the DNS server is down. The default is 2.
hup <count>
Sets the health check up counter.
•
count
is a positive integer that indicates the
number of times a DNS server health check returns
a positive response before the Nortel SNAS 4050
determines the DNS server is up. The default is 2.
a positive response before the Nortel SNAS 4050
determines the DNS server is up. The default is 2.
/cfg/sys/dns
followed by: