RA w/ Preference=HIGH vs.
RA w/ Preference=[ HIGH | LOW ], Route Information Option (Link1:Preference=UNSPEC)
Host
raMED_rtinfoUNSPEC.seq [-tooloption ...] -pkt RTINFO.def
-tooloption: v6eval tool option
HOST2
|
---------------+-----------+--- Link2
|
RT3 HOST1
| |
-------+-------+-------+---+--- Link1
| |
RT2 RT1
| |
-------+-------+-------+------- Link0
|
NUT
| Link0 |
global |
3ffe:501:ffff:100::/64 |
Testing link |
| Link1 |
global |
3ffe:501:ffff:101::/64 |
other link |
| Link2 |
global |
3ffe:501:ffff:102::/64 |
other link |
| RT1(Link0) |
global |
3ffe:501:ffff:100::a0a0 |
Alternative router |
| link-local |
fe80::200:ff:fe00:a0a0 |
| ether |
00:00:00:00:a0:a0 |
| RT2(Link0) |
global |
3ffe:501:ffff:100::a1a1 |
Alternative router |
| link-local |
fe80::200:ff:fe00:a1a1 |
| ether |
00:00:00:00:a1:a1 |
| HOST1 |
global |
3ffe:501:ffff:101::1 |
Host on Link1 |
| HOST2 |
global |
3ffe:501:ffff:102::1 |
Host on Link2 |
Flush Default Router List
Flush Routing Table
Flush Neighbor Cache
Flush Prefix List
NUT RT1 RT2 HOST1 HOST2
| | | | |
====================(INITIALIZE)===================
| | | | |
| Pref=MED| | | |
|<---------------+ | | | RA from RT1
| |Link1Pref=UNPSEC| | |
| | Pref=HIGH| | |
|<--------------------------------+ | | RA from RT2
| | | | |
|<---------------#------------------------+ | Echo Request (via RT1)
+---------------------------------#------>| | Echo Reply (via RT2)(*1)
| | | | |
|<---------------#--------------------------------+ Echo Request (via RT1)
+---------------------------------#-------------->| Echo Reply (via RT2)(*2)
| | | | |
| | | | |
====================(INITIALIZE)===================
| | | | |
|Link1Pref=UNSPEC| | | |
| Pref=HIGH| | | |
|<---------------+ | | | RA from RT1
| | Pref=MED| | |
|<--------------------------------+ | | RA from RT2
| | | | |
|<---------------#------------------------+ | Echo Request (via RT1)
+----------------#----------------------->| | Echo Reply (via RT1)(*3)
| | | | |
|<---------------#--------------------------------+ Echo Request (via RT1)
+----------------#------------------------------->| Echo Reply (via RT1)(*4)
| | | | |
| | | | |
====================(INITIALIZE)===================
| | | | |
| Pref=MED| | | |
|<---------------+ | | | RA from RT1
| |Link1Pref=UNPSEC| | |
| | Pref=LOW| | |
|<--------------------------------+ | | RA from RT2
| | | | |
|<---------------#------------------------+ | Echo Request (via RT1)
+----------------#----------------------->| | Echo Reply (via RT1)(*5)
| | | | |
|<---------------#--------------------------------+ Echo Request (via RT1)
+----------------#------------------------------->| Echo Reply (via RT1)(*6)
| | | | |
| | | | |
====================(INITIALIZE)===================
| | | | |
|Link1Pref=UNSPEC| | | |
| Pref=LOW| | | |
|<---------------+ | | | RA from RT1
| | Pref=MED| | |
|<--------------------------------+ | | RA from RT2
| | | | |
|<---------------#------------------------+ | Echo Request (via RT1)
+---------------------------------#------>| | Echo Reply (via RT2)(*7)
| | | | |
|<---------------#--------------------------------+ Echo Request (via RT1)
+---------------------------------#-------------->| Echo Reply (via RT2)(*8)
| | | | |
| | | | |
(INITIALIZATION)
1. RT1 Sends RA w/ Preference=MED
2. RT2 Sends RA w/ Preference=HIGH, RouteInfoOption(Link1:Preference=UNSPEC)
3. HOST1 Sends Echo Request
4. NUT Sends Echo Reply to HOST1 via RT2(*1)
5. HOST2 Sends Echo Request
6. NUT Sends Echo Reply to HOST2 via RT2(*2)
(INITIALIZATION)
2. RT1 Sends RA w/ Preference=HIGH, RouteInfoOption(Link1:Preference=UNSPEC)
8. RT2 Sends RA w/ Preference=MED
9. HOST1 Sends Echo Request
10. NUT Sends Echo Reply to HOST1 via RT1(*3)
11. HOST2 Sends Echo Request
12. NUT Sends Echo Reply to HOST2 via RT1(*4)
(INITIALIZATION)
13. RT1 Sends RA w/ Preference=MED
14. RT2 Sends RA w/ Preference=LOW, RouteInfoOption(Link1:Preference=UNSPEC)
15. HOST1 Sends Echo Request
16. NUT Sends Echo Reply to HOST1 via RT1(*5)
17. HOST2 Sends Echo Request
18. NUT Sends Echo Reply to HOST2 via RT1(*6)
(INITIALIZATION)
19. RT1 Sends RA w/ Preference=LOW, RouteInfoOption(Link1:Preference=UNSPEC)
20. RT2 Sends RA w/ Preference=MED
21. HOST1 Sends Echo Request
22. NUT Sends Echo Reply to HOST1 via RT2(*7)
23. HOST2 Sends Echo Request
24. NUT Sends Echo Reply to HOST2 via RT2(*8)
(*1)
PASS: HOST1 receives Echo Reply via RT2
(*2)
PASS: HOST2 receives Echo Reply via RT2
(*3)
PASS: HOST1 receives Echo Reply via RT1
(*4)
PASS: HOST2 receives Echo Reply via RT1
(*5)
PASS: HOST1 receives Echo Reply via RT1
(*6)
PASS: HOST2 receives Echo Reply via RT1
(*7)
PASS: HOST1 receives Echo Reply via RT2
(*8)
PASS: HOST2 receives Echo Reply via RT2
ROUTE.pm
RTINFO.def