3Com MSR 50 Series Configuration Manual page 1892

1892 C 100: IPS C
HAPTER EC ONFIGURATION
[RouterA-ipsec-policy-manual-map1-10] security acl 3101
# Apply the IPSec proposal.
[RouterA-ipsec-policy-manual-map1-10] proposal tran1
# Configure the remote IP address of the tunnel.
[RouterA-ipsec-policy-manual-map1-10] tunnel remote 2.2.3.1
# Configure the local IP address of the tunnel.
[RouterA-ipsec-policy-manual-map1-10] tunnel local 2.2.2.1
# Configure the SPIs.
[RouterA-ipsec-policy-manual-map1-10] sa spi outbound esp 12345
[RouterA-ipsec-policy-manual-map1-10] sa spi inbound esp 54321
# Configure the keys.
[RouterA-ipsec-policy-manual-map1-10] sa string-key outbound esp abcdefg
[RouterA-ipsec-policy-manual-map1-10] sa string-key inbound esp gfedcba
[RouterA-ipsec-policy-manual-map1-10] quit
# Configure the IP address of the serial interface.
[RouterA] interface serial 2/1
[RouterA-Serial2/1] ip address 2.2.2.1 255.255.255.0
# Apply the IPSec policy map1 to the interface.
[RouterA-Serial2/1] ipsec policy map1
2 Configure Router B
# Define an ACL to permit data flows from subnet 10.1.2.0/24 to subnet
10.1.1.0/24.
<RouterB> system-view
[RouterB] acl number 3101
[RouterB-acl-adv-3101] rule permit ip source 10.1.2.0 0.0.0.255 dest
ination 10.1.1.0 0.0.0.255
[RouterB-acl-adv-3101] rule deny ip source any destination any
[RouterB-acl-adv-3101] quit
# Configure a static route to Host A.
[RouterB] ip route-static 10.1.1.0 255.255.255.0 serial 2/2
# Create an IPSec proposal named tran1.
[RouterB] ipsec proposal tran1
# Specify the encapsulation mode as tunnel.
[RouterB-ipsec-proposal-tran1] encapsulation-mode tunnel