[Dnsmasq-discuss] DHCPv6 hostname resolving

[Quintus]

Hi Simon,

Am 03.04.2014 20:38, schrieb Simon Kelley:
> Certainly, if there's no other reason not to, you can solve this
> problem by reconfiguring your client to ask for a non-temporary
> address.

You’re partly right — if I configure dhcpcd to not request a temporary
address, the lease file contains this:

-------------------------------------------
1396620247 246859459 2001:4dd0:ff00:8918:1:f858:930c:267b atlantis
00:01:00:01:1a:93:42:fa:3c:97:0e:b6:c6:c3
-------------------------------------------

And resolving of plain names works just fine (BUT, see below):

% dig atlantis AAAA

-------------------------------------------
; <<>> DiG 9.9.2-P2 <<>> atlantis AAAA
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 2039
;; flags: qr aa rd ra ad; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0

;; QUESTION SECTION:
;atlantis.			IN	AAAA

;; ANSWER SECTION:
atlantis.		0	IN	AAAA	2001:4dd0:ff00:8918:1:f858:930c:267b

;; Query time: 1 msec
;; SERVER: 10.37.59.2#53(10.37.59.2)
;; WHEN: Fri Apr  4 10:04:46 2014
;; MSG SIZE  rcvd: 54
-------------------------------------------

However, the fully qualified name still doesn’t work:

-------------------------------------------
; <<>> DiG 9.9.2-P2 <<>> atlantis.cable.internal.xxx.eu AAAA
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 53712
;; flags: qr rd ra ad; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0

;; QUESTION SECTION:
;atlantis.cable.internal.xxx.eu.	IN AAAA

;; Query time: 1 msec
;; SERVER: 10.37.59.2#53(10.37.59.2)
;; WHEN: Fri Apr  4 10:10:17 2014
;; MSG SIZE  rcvd: 64
-------------------------------------------

Resolving the fully qualified A record works:

-------------------------------------------
; <<>> DiG 9.9.2-P2 <<>> atlantis.cable.internal.xxx.eu A
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 17342
;; flags: qr aa rd ra ad; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0

;; QUESTION SECTION:
;atlantis.cable.internal.xxx.eu.	IN A

;; ANSWER SECTION:
atlantis.cable.internal.xxx.eu.	0 IN A 10.37.59.42

;; Query time: 1 msec
;; SERVER: 10.37.59.2#53(10.37.59.2)
;; WHEN: Fri Apr  4 10:10:11 2014
;; MSG SIZE  rcvd: 80
-------------------------------------------

Neither is the AAAA record created in the base domain:

-------------------------------------------
; <<>> DiG 9.9.2-P2 <<>> atlantis.internal.xxx.eu AAAA
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 6544
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;atlantis.internal.xxx.eu. IN AAAA

;; AUTHORITY SECTION:
xxx.eu.	2560	IN	SOA	ns.yyy.de. hostmaster.xxx.eu. 1391783412 16384 2048
1048576 2560

;; Query time: 50 msec
;; SERVER: 10.37.59.2#53(10.37.59.2)
;; WHEN: Fri Apr  4 10:14:35 2014
;; MSG SIZE  rcvd: 124
-------------------------------------------

So I conclude that the temporary address requestion is only part of the
problem. What do you think?

Vale,
Quintus

-- 
Blog: http://www.quintilianus.eu

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