5forward-zone: name: "." forward-addr: 216.0.0.1
6CONFIG_END
7
8SCENARIO_BEGIN RRset is updated from other message that passes by.
9
10STEP 1 QUERY
11ENTRY_BEGIN
12 REPLY RD
13 SECTION QUESTION
14 www.example.com. IN A
15ENTRY_END
16; the query is sent to the forwarder - no cache yet.
17STEP 2 CHECK_OUT_QUERY
18ENTRY_BEGIN
19 MATCH qname qtype opcode
20 SECTION QUESTION
21 www.example.com. IN A
22ENTRY_END
23STEP 3 REPLY
24ENTRY_BEGIN
25 MATCH opcode qtype qname
26 ADJUST copy_id
27 ; authoritative answer
28 REPLY QR AA RD RA NOERROR
29 SECTION QUESTION
30 www.example.com. IN A
31 SECTION ANSWER
32 www.example.com. IN A 10.20.30.40
33 SECTION AUTHORITY
34 example.com. IN NS ns.example.com.
35 SECTION ADDITIONAL
36 ns.example.com. IN A 10.20.30.50
37ENTRY_END
38STEP 4 CHECK_ANSWER
39ENTRY_BEGIN
40 MATCH all
41 REPLY QR RD RA
42 SECTION QUESTION
43 www.example.com. IN A
44 SECTION ANSWER
45 www.example.com. IN A 10.20.30.40
46 SECTION AUTHORITY
47 example.com. IN NS ns.example.com.
48 SECTION ADDITIONAL
49 ns.example.com. IN A 10.20.30.50
50ENTRY_END
51
52; another query passes along
53STEP 6 QUERY
54ENTRY_BEGIN
55 REPLY RD
56 SECTION QUESTION
57 bla.example.com. IN A
58ENTRY_END
59STEP 7 CHECK_OUT_QUERY
60ENTRY_BEGIN
61 MATCH qname qtype opcode
62 SECTION QUESTION
63 bla.example.com. IN A
64ENTRY_END
65STEP 8 REPLY
66; This answer has updated information on ns2.example.com.
67ENTRY_BEGIN
68 MATCH opcode qtype qname
69 ADJUST copy_id
70 ; authoritative answer
71 REPLY QR AA RD RA NOERROR
72 SECTION QUESTION
73 bla.example.com. IN A
74 SECTION ANSWER
75 bla.example.com. IN A 10.20.30.140
76 SECTION AUTHORITY
77 example.com. IN NS ns.example.com.
78 example.com. IN NS ns2.example.com.
79 SECTION ADDITIONAL
80 ns.example.com. IN A 10.20.30.50
81 ns2.example.com. IN A 10.20.30.53
82ENTRY_END
83STEP 9 CHECK_ANSWER
84ENTRY_BEGIN
85 MATCH all
86 REPLY QR RD RA
87 SECTION QUESTION
88 bla.example.com. IN A
89 SECTION ANSWER
90 bla.example.com. IN A 10.20.30.140
91 SECTION AUTHORITY
92 example.com. IN NS ns.example.com.
93 example.com. IN NS ns2.example.com.
94 SECTION ADDITIONAL
95 ns.example.com. IN A 10.20.30.50
96 ns2.example.com. IN A 10.20.30.53
97ENTRY_END
98
99
100; original www.example.com query
101STEP 10 QUERY
102ENTRY_BEGIN
103 REPLY RD
104 SECTION QUESTION
105 www.example.com. IN A
106ENTRY_END
107; immediate answer without an OUT_QUERY happening (checked on exit)
108; also, the answer does not have AA set
109; NS rrset has been updated.
110STEP 11 CHECK_ANSWER
111ENTRY_BEGIN
112 MATCH all
113 REPLY QR RD RA
114 SECTION QUESTION
115 www.example.com. IN A
116 SECTION ANSWER
117 www.example.com. IN A 10.20.30.40
118 SECTION AUTHORITY
119 example.com. IN NS ns.example.com.
120 example.com. IN NS ns2.example.com.
121 SECTION ADDITIONAL
122 ns.example.com. IN A 10.20.30.50
123ENTRY_END
124
125SCENARIO_END
| 6forward-zone: name: "." forward-addr: 216.0.0.1
7CONFIG_END
8
9SCENARIO_BEGIN RRset is updated from other message that passes by.
10
11STEP 1 QUERY
12ENTRY_BEGIN
13 REPLY RD
14 SECTION QUESTION
15 www.example.com. IN A
16ENTRY_END
17; the query is sent to the forwarder - no cache yet.
18STEP 2 CHECK_OUT_QUERY
19ENTRY_BEGIN
20 MATCH qname qtype opcode
21 SECTION QUESTION
22 www.example.com. IN A
23ENTRY_END
24STEP 3 REPLY
25ENTRY_BEGIN
26 MATCH opcode qtype qname
27 ADJUST copy_id
28 ; authoritative answer
29 REPLY QR AA RD RA NOERROR
30 SECTION QUESTION
31 www.example.com. IN A
32 SECTION ANSWER
33 www.example.com. IN A 10.20.30.40
34 SECTION AUTHORITY
35 example.com. IN NS ns.example.com.
36 SECTION ADDITIONAL
37 ns.example.com. IN A 10.20.30.50
38ENTRY_END
39STEP 4 CHECK_ANSWER
40ENTRY_BEGIN
41 MATCH all
42 REPLY QR RD RA
43 SECTION QUESTION
44 www.example.com. IN A
45 SECTION ANSWER
46 www.example.com. IN A 10.20.30.40
47 SECTION AUTHORITY
48 example.com. IN NS ns.example.com.
49 SECTION ADDITIONAL
50 ns.example.com. IN A 10.20.30.50
51ENTRY_END
52
53; another query passes along
54STEP 6 QUERY
55ENTRY_BEGIN
56 REPLY RD
57 SECTION QUESTION
58 bla.example.com. IN A
59ENTRY_END
60STEP 7 CHECK_OUT_QUERY
61ENTRY_BEGIN
62 MATCH qname qtype opcode
63 SECTION QUESTION
64 bla.example.com. IN A
65ENTRY_END
66STEP 8 REPLY
67; This answer has updated information on ns2.example.com.
68ENTRY_BEGIN
69 MATCH opcode qtype qname
70 ADJUST copy_id
71 ; authoritative answer
72 REPLY QR AA RD RA NOERROR
73 SECTION QUESTION
74 bla.example.com. IN A
75 SECTION ANSWER
76 bla.example.com. IN A 10.20.30.140
77 SECTION AUTHORITY
78 example.com. IN NS ns.example.com.
79 example.com. IN NS ns2.example.com.
80 SECTION ADDITIONAL
81 ns.example.com. IN A 10.20.30.50
82 ns2.example.com. IN A 10.20.30.53
83ENTRY_END
84STEP 9 CHECK_ANSWER
85ENTRY_BEGIN
86 MATCH all
87 REPLY QR RD RA
88 SECTION QUESTION
89 bla.example.com. IN A
90 SECTION ANSWER
91 bla.example.com. IN A 10.20.30.140
92 SECTION AUTHORITY
93 example.com. IN NS ns.example.com.
94 example.com. IN NS ns2.example.com.
95 SECTION ADDITIONAL
96 ns.example.com. IN A 10.20.30.50
97 ns2.example.com. IN A 10.20.30.53
98ENTRY_END
99
100
101; original www.example.com query
102STEP 10 QUERY
103ENTRY_BEGIN
104 REPLY RD
105 SECTION QUESTION
106 www.example.com. IN A
107ENTRY_END
108; immediate answer without an OUT_QUERY happening (checked on exit)
109; also, the answer does not have AA set
110; NS rrset has been updated.
111STEP 11 CHECK_ANSWER
112ENTRY_BEGIN
113 MATCH all
114 REPLY QR RD RA
115 SECTION QUESTION
116 www.example.com. IN A
117 SECTION ANSWER
118 www.example.com. IN A 10.20.30.40
119 SECTION AUTHORITY
120 example.com. IN NS ns.example.com.
121 example.com. IN NS ns2.example.com.
122 SECTION ADDITIONAL
123 ns.example.com. IN A 10.20.30.50
124ENTRY_END
125
126SCENARIO_END
|