Cisco 8800 Series Manual page 48

DNS SRV for HTTP Provisioning
Field
<_proto.>
<domainName>
TTL (Time to
Live)
Class
<priority>
<weight>
<port>
<target>
Example SRV Configurations
_service._proto.name. TTL class SRV priority weight port target.
_ciscoprov-https._tls.example.com. 86400 IN SRV 10 60 5060 pr1.example.com.
_ciscoprov-https._tls.example.com. 86400 IN SRV 10 20 5060 pr2.example.com.
_ciscoprov-http._tcp.example.com. 86400 IN SRV 10 50 5060 px1.example.com.
_ciscoprov-http._tcp.example.com. 86400 IN SRV 10 30 5060 px2.example.com.
Cisco IP Phone 8800 Series Multiplatform Phone Administration Guide for Release 11.3(1) and Later
28
Description
The transport protocol begins with an underscore.
The period that follows the protocol signals that the
protocol section has ended.
The service domain name follows the protocol.
Hostname validation: All SRV records are validated based
on the original DHCP-provided domain name. It is
important that all records use a valid certificate containing
the original domain name.
Expiration value of the record, in seconds.
Internet-type—Standard BIND notation indicating that
it's an SRV record.
Each line contains a priority number. The lower the
number, the earlier the phone will attempt the target
hostname and port included in this DNS SRV record.
If two or more services have the same priority, the weight
number determines which line comes first. The lower the
number, the earlier the phone will attempt the target
hostname and port included in this DNS SRV record.
optional port number
The A record of the machine providing the service.
A Records are the most basic type of DNS record and are
used to point a domain or subdomain to an IP address.
Cisco IP Phone Provisioning
Example
_tls.You must use HTTPS
with TLS.
Or
_tcp.You must use HTTP
with TCP.
example.com
86400
IN
10
20
5060
pr1.example.com