NAME

        SV_RFC1034_5_2_2_mutiple_aliases - Multiple levels of aliases should be avoided, but should not be signaled as an error


VERIFICATION POINTS

        Verify that a NUT does not signal as an error when defined multiple levels of aliases.


TARGET

        Authoritative Server


SYNOPSIS

	SV_RFC1034_5_2_2_mutiple_aliases.seq [-tooloption ...]: KOI tool option
	See also DNSConfig.pm


INITIALIZATION


TEST PROCEDURE

        This test sequence is following.
    DNS Client1 (TN)                       DNS Server1 (NUT)
        |                                      |
        |------------------------------------->|
        |   1. Send standard query             |
        |       QNAME=B.example.com            |
        |       QTYPE=CNAME                    |
        |                                      |
        |<-------------------------------------|
        |   2. Standard query response         |
        |       QNAME=B.example.com            |
        |       QTYPE=CNAME                    |
        |       ANSWER Name=B.example.com      |
        |       ANSWER Type=CNAME              |
        |       ANSWER CNAME=C.example.com     |
        | *at lease include this Answer section|
        |------------------------------------->|
        |   3. Send standard query             |
        |       QNAME=C.example.com            |
        |       QTYPE=CNAME                    |
        |                                      |
        |<-------------------------------------|
        |   4. Standard query response         |
        |       QNAME=C.example.com            |
        |       QTYPE=CNAME                    |
        |       ANSWER Name=C.example.com      |
        |       ANSWER Type=CNAME              |
        |       ANSWER CNAME=A.example.com     |
        |                                      |
        |                                      |
        v                                      v
        1. TN send standard query QNAME=B.example.com, QTYPE=A to NUT.
        2. NUT reply query response including CNAME=C.example.com to TN (Judgment *2)
        3. TN send standard query QNAME=C.example.com, QTYPE=A to NUT.
        4. NUT reply query response including CNAME=A.example.com to TN (Judgment *4)


JUDGMENT

        2. Received standard query response including CNAME for B.example.com.
        4. Received standard query response including CNAME for C.example.com.


TERMINATION

        None


REFERENCE

        RFC1034 DOMAIN NAMES - CONCEPTS AND FACILITIES
        5.2.2. Aliases