DstSelectRule8.seq - Destination Address Selection
Check Rule 8(Prefer smaller scopee)
Rule 8: Prefer smaller scope.
If Scope(DA) < Scope(DB), then prefer DA.
Source addresses used for this test are "preferred address".
Host and Router
None
This TEST performs the following Check procedures for
every address group defined by Check 01 - *.
*Check procedure
1. Initialize :
1.1. Set IPv6 Default Route in NUT
(Default Router address = <TN-Link0-LinkLocalAddress>)
1.2. Set DNS setting in NUT
1.3. Add Candidate Source Addresses in NUT
1.4. Check Candidate Source Addresses by Ping6 (TN->NUT)
2. Send Ping6 from NUT to Destination(FQDN)
2.1. NUT send DNS query (question) (NUT->TN)
2.2. TN send DNS query (answer) (TN->NUT)
2.3. NUT send ICMPv6 echo request (NUT->TN)
3. Judgment :
if (recive packet's Destination & Source Addresses)
= (expected Destination & Source Addresses), Check pass
4. Cleanup :
4.1. Delete Candidate Source Addresses in NUT
4.2. Clear prefix list & NCE & default router list in NUT
4.3. Remove DNS setting in NUT
NUT TN Default DNS Destination
| | Router | |
| | | | |
======(INITIALIZE)=========
| | | | |
|<-<-<-+ | | | Set IPv6 Default Route
|<-<-<-+ | | | Set DNS setting
|<-<-<-+ | | | Add Candidate Source Addresses
| | | | |
|<------------+ | | Echo Request to Candidate Source Addresses 1
+------------>| | | Echo Reply
| | | | |
|<------------+ | | Echo Request to Candidate Source Addresses 2
+------------>| | | Echo Reply
| | | | |
======(INITIALIZE)=========
| | | | |
|<-<-<-+ | | | Excute ping6 command
| | | | |
+------------------>| | DNS query question
<-------------------+ | DNS query answer
+------------------------>| Echo Request
| | | | |
GS(Global Scope), OS(Organization Scope), SS(Site local Scope), LS(Link local Scope)
LLA(Link Local Address)
*Following address grouup does not match Rule 1-7
Check 01:
DNS Address: 3ffe::9
Candidate Source Addresses: 3ffe::1(GS) or fec0::1(SS) or LLA(LS)
Destination Address List: 3fff::2(GS) or fec0::2(SS) or fe80::2(GS)
Result: fe80::2 (src LLA) then fec0::2 (src fec0::1) then 3fff::2 (src 3ffe::1)
Scope(fec0::2) < Scope(3fff::2), prefer fec0::2
Scope(fe80::2) < Scope(fec0::2), prefer fe80::2
Check 02:
DNS Address: fec0::9
Candidate Source Addresses: 3ffe::1(GS) or fec0::1(SS) or LLA(LS)
Destination Address List: 3fff::2(GS) or fec0::2(SS)
Result: fec0::2 (src fec0::1) then 3fff::2 (src 3ffe::1)
Scope(fec0::2) < Scope(3fff::2), prefer fec0::2
Check 03:
DNS Address: fec0::9
Candidate Source Addresses: fec0::1(SS) or LLA(LS)
Destination Address List: fec0::2(SS) or fe80::2(LS)
Result: fe80::2 (src LLA) then fec0::2 (src fec0::1)
Scope(fe80::2) < Scope(fec0::2), prefer fe80::2
Check 04:
DNS Address: 3ffe::9
Candidate Source Addresses: 3ffe::1(GS) or LLA(LS)
Destination Address List: 3fff::2(GS) or fe80::2(LS)
Result: fe80::2 (src LLA) then 3fff::2 (src 3ffe::1)
Scope(fe80::2) < Scope(fec0::2), prefer fe80::2
Check 01:
PASS: Receive Echo Request & destination(source) = fe80::2(LLA)
Check 02:
PASS: Receive Echo Request & destination(source) = fec0::2(fec0::1)
Check 03:
PASS: Receive Echo Request & destination(source) = fe80::2(LLA)
Check 04:
PASS: Receive Echo Request & destination(source) = fe80::2(LLA)
TEST
PASS: All Check = PASS
perldoc V6evalTool
ADDR_SELECT.html "Default Address Selection for IPv6" Test Common Utility
das_rules.html "Default Address Selection for IPv6" Rules