[Dnsmasq-discuss] Dnsmasq 2.68 not assign IPv6 address, error -- no addresses available

Da Zhao Y Yu dzyu at cn.ibm.com
Fri Feb 21 06:02:23 UTC 2014

Hi Simon,

I remember in KVM env, use the earlier version of dnsmasq, the client can 
got the target IP address.

Today, in order to recheck it, In one new KVM env, I use dnsmasq 2.68, and 
found we still need wrap the IPv6 address with "[]" in host file.

From:   Simon Kelley <simon at thekelleys.org.uk>
To:     dnsmasq-discuss at lists.thekelleys.org.uk, 
Date:   2014/02/20 06:40
Subject:        Re: [Dnsmasq-discuss] Dnsmasq 2.68 not assign IPv6 
address, error -- no addresses available
Sent by:        "Dnsmasq-discuss" 
<dnsmasq-discuss-bounces at lists.thekelleys.org.uk>

On 19/02/14 07:46, Da Zhao Y Yu wrote:
> I found the root cause about this issue.
> I changed the host file, and wrapped the ipv6 address with "[]", as 
> * then client can got the targeted IPv6 address.

Ah, yes. That would explain it. Sorry I didn't spot that. The reason for 
the [] is to allow dnsmasq is distinguish MAC addresses from IPv6 

> My environment is use vsphere as host. In kvm env, I do not encounter
> this issue.

Does kvm add the braces itself?




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