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Multiple-vip response – HP Multi-Site Traffic Director sa9200 User Manual

Page 29

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C H A P T E R 3

Configure DNS Servers

23

Multiple-VIP
Response

A DNS response may contain multiple answers. A standby VIP is
automatically considered as a response if it is marked “IN USE” due
to a failed VIP. When multi-VIP standby is enabled, standby VIPs are
included in a response if the number of additional VIPs in the
response has not been met

1

. To include standby VIPs, type

config

dns zones hostnames multi-vip-

standby enable.

HP SA9200#config dns zones somedomain.xyz-

ex.com hostnames www multi-vip-standby enable

The number of additional answers in a response can be configured.
The range is from 0 to 15.

HP SA9200#config dns zones somedomain.xyz-

ex.com hostnames www add-rec-responses 4

To verify whether multi-VIP standby is enabled or check the number
of additional responses, type

config dns zones

hostnames

info

.

HP SA9200#config dns zones somedomain.xyz-

ex.com hostnames www info

1.

If multi-VIP standby is enabled when using the Flash load balancing method,

standby VIPs from a site are not included if all of the VIPS are (1) standby and,
(2) not marked “IN USE” due to a failed VIP at another site.