Example For Establishing Sas In Ike Negotiation Mode - 3Com MSR 50 Series Configuration Manual

Example for Establishing
SAs in IKE Negotiation
Mode
# Specify the security proposal as ESP.
[RouterB-ipsec-proposal-tran1] transform esp
# Specify the algorithms for the proposal.
[RouterB-ipsec-proposal-tran1] esp encryption-algorithm des
[RouterB-ipsec-proposal-tran1] esp authentication-algorithm sha1
[RouterB-ipsec-proposal-tran1] quit
# Create an IPSec policy manually.
[RouterB] ipsec policy use1 10 manual
# Apply the ACL.
[RouterB-ipsec-policy-manual-use1-10] security acl 3101
# Apply the IPSec proposal.
[RouterB-ipsec-policy-manual-use1-10] proposal tran1
# Configure the remote IP address of the tunnel.
[RouterB-ipsec-policy-manual-use1-10] tunnel remote 2.2.2.1
# Configure the local IP address of the tunnel.
[RouterB-ipsec-policy-manual-use1-10] tunnel local 2.2.3.1
# Configure the SPIs.
[RouterB-ipsec-policy-manual-use1-10] sa spi outbound esp 54321
[RouterB-ipsec-policy-manual-use1-10] sa spi inbound esp 12345
# Configure the keys.
[RouterB-ipsec-policy-manual-use1-10] sa string-key outbound esp gfedcba
[RouterB-ipsec-policy-manual-use1-10] sa string-key inbound esp abcdefg
[RouterB-ipsec-policy-manual-use1-10] quit
# Configure the IP address of the serial interface.
[RouterB] interface serial 2/2
[RouterB-Serial2/2] ip address 2.2.3.1 255.255.255.0
# Apply the IPSec policy group to the interface.
[RouterB-Serial2/2] ipsec policy use1
After above configuration, an IPSec tunnel between Router A and Router B should
be established, and the traffic between subnet 10.1.1.0/24 and subnet
10.1.2.0/24 should e IPSec protected.
Network requirements
As shown in Figure
■
card between Router A and Router B to protect data flows between subnet
551, an IPSec tunnel is established through an encryption
IPSec Configuration Example 1893