RH_IntermediateNode - check Routing Header Processing (Intermediate Node)
Router
RH_IntermediateNode.seq [-tooloption ...] -pkt RH_IntermediateNode.def
-tooloption : v6eval tool option
See also RH.def
None
Tester Target Tester
(Link0) (Link1)
| | |
|-------------------------->| |
| Packet to Link0 | |
| | |
| |-------------------------->|
| | Neighbor Solicitation |
| | |
| |<--------------------------|
| | Neighbor Advertisement |
| | |
| |-------------------------->|
| | Packet from Link1 |
| | |
| | |
| |<--------------------------|
| | Packet to Link1 |
| | |
|<--------------------------| |
| Neighbor Solicitation | |
| | |
|-------------------------->| |
| Neighbor Advertisement | |
| | |
|<--------------------------| |
| Packet from Link0 | |
| | |
v v v
1. Send Packet to Link0
2. Wait Packet from Link1 or NS from Link1
3. If NS received then send NA to Link1, and wait Packet form Link1 again
4. Receive Packet from Link1
5. Send Packet to Link1
6. Wait Packet from Link0 or NS from Link0
7. If NS received then send NA to Link0, and wait Packet form Link0 again
8. Receive Packet from Link0
Network topology
(Link0) (Link1)
Tester Target Tester
Host1 ------ Router1 ------ Router2 ------ Router3 ------ Host2
Global 2 Global 0 Global 1 Global 3
Packet to Link0 is:
IPv6 Header
Version = 6
Traffic Class = 0
FlowLabel = 0
PayloadLength = 56
NextHeader = 43 (Routing Header)
SourceAddress = Global 2 Address (Host1)
DestinationAddress = Global 0 Address (Router2)
Routing Header
NextHeader = 59 (No Next Header)
HeaderExtLength = 6
RoutingType = 0
SegmentsLeft = 2
Address[1] = Global 2 Address (Router1)
Address[2] = Global 1 Address (Router3)
Address[3] = Global 3 Address (Host2)
Packet to Link1 is:
IPv6 Header
Version = 6
Traffic Class = 0
FlowLabel = 0
PayloadLength = 56
NextHeader = 43 (Routing Header)
SourceAddress = Global 3 Address (Host2)
DestinationAddress = Global 1 Address (Router2)
Routing Header
NextHeader = 59 (No Next Header)
HeaderExtLength = 6
RoutingType = 0
SegmentsLeft = 2
Address[1] = Global 3 Address (Router3)
Address[2] = Global 0 Address (Router1)
Address[3] = Global 2 Address (Host1)
Neighbor Solicitation packet's IP source Address selection may be:
- Link Local Address
- Global Address
This test IS NOT the Neighbor Discovery test, so admit both implementation.
PASS: Packet from Link1 and Packet from Link0 Received
Packet from Link1 is:
IPv6 Header
Version = 6
Traffic Class = 0
FlowLabel = 0
PayloadLength = 56
NextHeader = 43 (Routing Header)
SourceAddress = Global 2 Address (Host1)
DestinationAddress = Global 1 Address (Router3) <-+
|
Routing Header |
NextHeader = 59 (No Next Header) | (swapped)
HeaderExtLength = 6 |
RoutingType = 0 |
SegmentsLeft = 1 (decremented) |
Address[1] = Global 2 Address (Router1) <----+
Address[2] = Global 0 Address (Router2)
Address[3] = Global 3 Address (Host2)
Packet from Link0 is:
IPv6 Header
Version = 6
Traffic Class = 0
FlowLabel = 0
PayloadLength = 56
NextHeader = 43 (Routing Header)
SourceAddress = Global 3 Address (Host2)
DestinationAddress = Global 0 Address (Router1) <-+
|
Routing Header |
NextHeader = 59 (No Next Header) | (swapped)
HeaderExtLength = 6 |
RoutingType = 0 |
SegmentsLeft = 1 (decremented) |
Address[1] = Global 3 Address (Router3) |
Address[2] = Global 1 Address (Router2) |
Address[3] = Global 2 Address (Host1) <------+
perldoc V6evalTool