Setting The Dscp Value For Ipv6 Dns Packets; Displaying And Maintaining Ipv6 Dns - HP 3600 v2 Series Configuration Manual

Step
1. Enter system view.
Enable dynamic
2.
domain name
resolution.
3. Specify a DNS server.
4. Configure a DNS
suffix.

Setting the DSCP value for IPv6 DNS packets

An IPv6 packet header contains an 8-bit Traffic class field. This field identifies the service type of IPv6
packets. As defined in RFC 2474, the first six bits set the Differentiated Services Code Point (DSCP) value,
and the last two bits are reserved. Network devices use the DSCP value as a reference to determine the
packet priority for transmission.
To set the DSCP value for IPv6 DNS packets:
Step
1. Enter system view.
2. Set the DSCP value for
IPv6 DNS packets.

Displaying and maintaining IPv6 DNS

Task
Display the static IPv6 domain
name resolution table.
Display IPv6 DNS server
information.
Display DNS suffixes.
Display information about
dynamic IPv6 domain name
cache.
Clear information about
dynamic IPv6 domain name
cache.
Command
system-view
dns resolve
dns server ipv6 ipv6-address
[ interface-type interface-number ]
dns domain domain-name
Command
system-view
dns ipv6 dscp dscp-value
Command
display ipv6 host [ | { begin | exclude | include }
regular-expression ]
display dns ipv6 server [ dynamic ] [ | { begin |
exclude | include } regular-expression ]
display dns domain [ dynamic ] [ | { begin | exclude
| include } regular-expression ]
display dns host ipv6 [ | { begin | exclude | include }
regular-expression ]
reset dns host ipv6
174
Remarks
N/A
Disabled by default.
Not specified by default.
If the IPv6 address of a DNS server is a
link-local address, you must specify the
interface-type and interface-number
arguments.
Optional.
Not configured by default. Only the
provided domain name is resolved.
Remarks
N/A
Optional.
By default, the DSCP value in IPv6
DNS packets is 0.
Remarks
Available in any
view
Available in any
view
Available in any
view
Available in any
view
Available in user
view