
Configuring IP Utilities
10-4
308631-14.20 Rev 00
Using the BCC
To modify how DNS proxy on the router handles DNS requests, navigate to the
DNS proxy prompt (for example,
box; ethernet 2/1
;
ip 192.1.34.67/8;
dns-proxy
) and enter one or more of the following parameters:
DNS proxy parameter and format Description
answer-truncation
<state>
State
is either enabled or disabled. The default is
disabled.
domain-name
<string>
String
specifies the domain name for this network
interface. Applicable only when the mode parameter
is set to nat-translation.
The name must match the domain specified for the
NAT router interface that relies on DNS proxy for
multidomain NAT.
fwd-port
<integer>
Specifies the port that DNS forwarding server(s) are
on. The default is port 53.
max-answers-truncated
<integer>
Specifies the maximum number of answers, from 1 to
100, to be returned by the requester. The default is 1
answer.
max-cache-size
<integer>
Specifies the maximum number of cache entries,
from 1 to 100, that the DNS proxy allows to be stored
on the router. The default is 20 cache entries.
max-queries-allowed
<integer>
Specifies the maximum number of outstanding
queries to the server, from 1 to 100, that DNS proxy
allows. The default is 20 queries.
max-retransmissions
<integer>
Specifies the maximum number of times, from 0 to
15, that the DNS proxy can retransmit a request to
the DNS server before recording an error. The
default is 2 retransmissions.
mode
<passthrough/nat-translation>
Specifies whether the DNS proxy server is operating
in standard pass-through mode or in nat-translation
mode for Network Address Translation (NAT). The
default is pass-through.
port
<integer>
Specifies the UDP port that the DNS proxy server
listens to on the interface on which DNS proxy is
configured. The default is port 53.
timeout
<integer>
Specifies in seconds, from 1 to 60, the amount of
time that the DNS proxy server waits before it
retransmits a request to the DNS server. The default
is 5 seconds.
Comentarios a estos manuales