Re: [Astlinux-users] Delay after Asterisk Dial when no DNS

[Lonnie A. <li...@lo...>]

Hi Michael,

It is my understanding that chan_sip trunks only does DNS lookups at (asterisk) startup unless you enable ...  dnsmgr.conf -> enable=yes .  Possibly registers always do DNS lookups, not certain.

As long as local DNS entries are in your hosts file (Network tab -> DNS Forwarder & DHCP Server: { Configure DNS Hosts } it should work, I would guess.

In the old days, I recall running Asterisk 1.2 and 1.4 on single core boxes like the PC Engines WRAP and Soekris net4801, and Asterisk DNS lookups were blocking and could *totally* lock-up a system when the WAN connection went down.  I have not seen than behavior, personally, in quite some time.  Multi-core and dnsmasq helps.

Lonnie


On Sep 21, 2017, at 6:49 PM, Michael Knill <mic...@ip...> wrote:

> Is it possible to resolve this problem E.g. if you lose your WAN (and therefore DNS), you can still make internal calls without the large delay?
>  
> Regards
> Michael Knill
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