[SR-Users] Using DNS hostname with the Dispatcher module to determine online routes

[Henning Westerholt]

Hello Thomas,

You can configure the dispatcher module to skip DNS resolution at startup. Have a look to this docs section:

"16 (bit at index 4 - 1 <<4) - skip DNS A/AAAA resolve at startup, useful when the hostname of the destination address is a NAPTR or SRV record only. Such addresses cannot be matched anymore with ds_is_from_list(...)."

Cheers,

Henning

--
Henning Westerholt - https://skalatan.de/blog/
Kamailio services - https://gilawa.com<https://gilawa.com/>

From: sr-users <sr-users-bounces at lists.kamailio.org> On Behalf Of Thomas Cavill
Sent: Tuesday, March 3, 2020 5:04 PM
To: sr-users at lists.kamailio.org
Subject: [SR-Users] Using DNS hostname with the Dispatcher module to determine online routes

Hi all,

I am wondering if it is possible for the dispatcher module to monitor multiple endpoints that resolve from a single hostname using DNS. Can I configure a single DNS name in the dispatcher table which resolves to 3 IP addresses and have them monitored by OPTIONS pings, and then select the first one that is marked as active to route requests to? I haven't found much help online to know if this is possible/supported.

i.e. Does the dispatcher module support monitoring of multiple results returned from DNS NAPTR records?

Thanks,
Tom
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