NAME

RA w/ Preference=HIGH vs.
RA w/ Preference=LOW, Route Information Option (Link1:Preference=MED) 

TARGET

Host

SYNOPSIS

raHIGH_rtinfoMED.seq [-tooloption ...] -pkt RTINFO.def

-tooloption: v6eval tool option

TOPOLOGY

                                     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

INITIALIZATION

Flush Default Router List
Flush Routing Table
Flush Neighbor Cache
Flush Prefix List

TEST PROCEDURE

NUT             RT1             RT2    HOST1  HOST2
 |               |               |       |       |
 ==================(INITIALIZE)===================
 |               |               |       |       |
 |      Pref=HIGH|               |       |       |
 |<--------------+               |       |       | RA from RT1
 |               |  Link1Pref=MED|       |       |
 |               |       Pref=LOW|       |       |
 |<------------------------------+       |       | RA from RT2
 |               |               |       |       |
 |<--------------#-----------------------+       | Echo Request (via RT1)
 +-------------------------------#------>|       | Echo Reply   (via RT2)(*1)
 |               |               |       |       |
 |<--------------#-------------------------------+ Echo Request (via RT1)
 +---------------#------------------------------>| Echo Reply   (via RT1)(*2)
 |               |               |       |       |
 |               |               |       |       |
 ==================(INITIALIZE)===================
 |               |               |       |       |
 |  Link1Pref=MED|               |       |       |
 |       Pref=LOW|               |       |       |
 |<--------------+               |       |       | RA from RT1
 |               |      Pref=HIGH|       |       |
 |<------------------------------+       |       | RA from RT2
 |               |               |       |       |
 |<--------------#-----------------------+       | Echo Request (via RT1)
 +---------------#---------------------->|       | Echo Reply   (via RT1)(*3)
 |               |               |       |       |
 |<--------------#-------------------------------+ Echo Request (via RT1)
 +-------------------------------#-------------->| Echo Reply   (via RT2)(*4)
 |               |               |       |       |
 |               |               |       |       |

(INITIALIZATION)
1. RT1 Sends RA w/ Preference=HIGH
2. RT2 Sends RA w/ Preference=LOW, RouteInfoOption(Link1:Preference=MED)
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 RT1(*2)
(INITIALIZATION)
2. RT1 Sends RA w/ Preference=LOW, RouteInfoOption(Link1:Preference=MED)
8. RT2 Sends RA w/ Preference=HIGH
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 RT2(*4)

JUDGEMENT

(*1)
    PASS: HOST1 receives Echo Reply via RT2

(*2)
    PASS: HOST2 receives Echo Reply via RT1

(*3)
    PASS: HOST1 receives Echo Reply via RT1

(*4)
    PASS: HOST2 receives Echo Reply via RT2

SEE ALSO

ROUTE.pm
RTINFO.def