Nortel Networks 5500 series - Manual (Page 276)

276 Configuring system settings
Configuring DNS servers and settings
To configure DNS settings for the cluster, use the following command:
/cfg/sys/dns
The DNS Settings menu appears.
The DNS Settings menu includes the following options:
/cfg/sys/dns
followed by:
servers Accesses the DNS Servers menu, in order to
manage servers configured for the cluster (see
“Managing DNS servers” (page 277) ).
cachesize <entries> Specifies the size of the local DNS cache.
•
entries is an integer in the range
0–10000 indicating the maximum number
of DNS entries in the local DNS cache. The
default is 1000.
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 ), hours ( h ), or days ( d ). 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.
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.
•
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).
Nortel Secure Network Access Switch
Using the Command Line Interface
NN47230-100 03.01 Standard
28 July 2008
Copyright © 2007, 2008 Nortel Networks
.