CL_RFC1123_6_1_3_2_Multicast - Multicast query
Verify that a NUT transmits correct UDP query with broadcast or multicast address
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 | +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
QR : query (0) Opcode : a standard query(QUERY) (0) RD : Must be zero QDCOUNT : 1 ANCOUNT : 0 NSCOUNT : 0
Client
CL_RFC1123_6_1_3_2_Multicast.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 | | *broadcast or multicast | | | v v
1. NUT send standard query with broadcast or multicast to TN. Judgment (Check *1)
|
||
IP Header | Source Address | NUT_NETZ |
Destination Address | BRO_MULTI | |
UDP Header |
Src Port |
any |
Dst Port |
53 |
|
DNS Header |
ID | any |
QR |
0 |
|
OPCODE |
0 |
|
AA |
any |
|
TC | 0 | |
RD | 0 | |
RA |
any |
|
Z |
any |
|
RCODE |
any |
|
QDCOUNT |
1 |
|
ANCOUNT |
0 |
|
NSCOUNT |
0 |
|
ARCOUNT |
any |
|
DNS Question section |
QNAME | A.example.com |
QTYPE |
A (0x0001) |
|
QCLASS |
any |
1. Standard query for broadcast or multicast must be based on above Verification Points.
If NUT has cache function, clear the cache.
RFC1123 Requirements for internet Hosts -- Application and Support 6.1.3.2 Transport Protocols