NAME

  RTU_A_In - Router Tunnel Mode AH Inbound (with SPD entry)

TARGET

  Router

SYNOPSIS

  RTU_A_In.seq [-tooloption ...] -pkt RTU_A_common.def
    -tooloption : v6eval tool option
  See also HTR_A_common.def and HTR_common.def

INITIALIZATION

For details of Network Topology, see 00README

Set NUT's SAD and SPD as following:

                          (Link0)  (Link1)
            NET4   NET2      NET0   NET1
  HOST1_NET4 -- SG1 -- Router -- NUT -- HOST1_NET1
                 =====tunnel======>

Security Association Database (SAD)

source address	SG1_NET2
destination address	NUT_NET0
SPI	0x1000
mode	tunnel
protocol	AH
AH algorithm	HMAC-MD5
AH algorithm key	0123456789ABCDEF

Security Policy Database (SPD)

tunnel source address	SG1_NET2
tunnel destination address	NUT_NET0
source address	NET4
destination address	NET1
upper spec	any
direction	in
protocol	AH
mode	tunnel

TEST PROCEDURE

 Tester                      Target                      Tester
              (Link0)                     (Link1)
   |                           |                           |
   |-------------------------->|                           |
   |      ICMP Echo Request    |                           |
   |      (within AH tunnel)   |                           |
   |                           |-------------------------->|
   |                           |      ICMP Echo Request    |
   |                           |                           |
   |                           |                           |
   |                           |                           |
   v                           v                           v

Send ICMP Echo Request within AH tunnel to Link0
Receive ICMP Echo Request from Link1

ICMP Echo Request within AH tunnel to Link0

IP Header	Source Address	SG1_NET2
	Destination Address	NUT_NET0
AH	SPI	0x1000
	Algorithm	HMAC-MD5
	Key	0123456789ABCDEF
IP Header	Source Address	HOST1_NET4
	Destination Address	HOST1_NET1
ICMP	Type	128 (Echo Request)

ICMP Echo Request from Link1

IP Header	Source Address	HOST1_NET4
	Destination Address	HOST1_NET1
ICMP	Type	128 (Echo Request)

JUDGEMENT