[Dnsmasq-discuss] RA support in dnsmasq

[Gene Czarcinski]

OK, I am using both "ra-only" and "enable-ra" in a couple of libvirt 
dnsmasq instances.

1.  I am getting a lot of "clutter" in syslog.  How about using log-dhcp 
to also enable all of the "RTR-ADVERT" messages.  There are a lot of 
them but they really provide little if any useful information.  That is, 
add:
       if (option_bool(OPT_LOG_OPTS))

2.  I am getting a lot of RTR-ADVERT messages.  I know it is suppose to 
start off frequently but then slow up to a much less frequent period 
(intervals of seconds).  I thought this was a problem but then I looked 
into radvd and it also issues advertisements often so I assume things 
are working properly.  However, I am concerned that all those syslog 
messages will lead others to suspect a problem where there is none.

3. Similar to radvd, should there be some dnsmasq parameters which are 
used to specify how often RAs will be issued?

A small patch is attached for the syslog conditional output.

Gene
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