CL_RFC1123_6_1_2_3_Unused - Unused fields in a query
Verify that a NUT transmits correct standard query format for unused fields
1 1 1 1 1 1 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+ | ID | +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+ |QR| Opcode |AA|TC|RD|RA| Z | RCODE | +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+ | QDCOUNT | +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+ | ANCOUNT | +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+ | NSCOUNT | +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+ | ARCOUNT | +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
AA : Must be zero (0) RA : Must be zero (0) Z : Must be zero (0) RCODE : Must be zero (0)
Client
CL_RFC1123_6_1_2_3_Unused.seq [-tooloption ...]: KOI tool option See also DNSConfig.pm
AP Server1(TN):A.example.com DNS Server1(TN) |3ffe:501:ffff:101::10 |3ffe:501:ffff:101::20 |192.168.1.10 |192.168.1.20 | | Net-y --+--------+-----------------------+-------- 3ffe:501:ffff:101::/64 | 192.168.1/24 | | ROUTER1(TN) |3ffe:501:ffff:100::1 |192.168.0.1 | Net-z --+--------+-------------------------------- 3ffe:501:ffff:100::/64 | 192.168.0/24 DNS Client1(NUT) 3ffe:501:ffff:100:XXXX 192.168.0.10
XXXX: EUI64 address
Set the DNS Server1(TN)'s address on NUT as above mentioned Network Topology.
In order to send the query for A type of AP Server1(TN):A.example.com to the DNS Server1(TN), NUT is configured.
This test sequence is following.
DNS Client1 (NUT) DNS Server1 (TN) | | |--------------------------------------------->| | 1. Send standard query | | | v v
1. NUT send standard query to TN. Judgment (Check *1)
|
||
IP Header | Source Address | NUT_NETZ |
Destination Address | SV_NETY | |
UDP Header |
Src Port |
any |
Dst Port |
53 |
|
DNS Header |
ID | any |
QR |
any |
|
OPCODE |
any |
|
AA |
0 |
|
TC | any | |
RD | any | |
RA |
0 |
|
Z |
0 |
|
RCODE |
0 |
|
QDCOUNT |
any |
|
ANCOUNT |
any |
|
NSCOUNT |
any |
|
ARCOUNT |
any |
|
DNS Question section |
QNAME | any |
QTYPE |
any |
|
QCLASS |
any |
1. Standard query for A type must be based on above Verification Points.
If NUT has cache function, clear the cache.
RFC1123 Requirements for Internet Hosts -- Application and Support 6.1.2.3 Unused Fields: RFC-1035 Section 4.1.1