ESR service routers. ESR-Series. Functionality description. Version 1.12.0
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1.
Step
Description
Command
Keys
41
Enable IPsec VPN.
esr(config-ipsec-
vpn)# enable
3.4.4 Policy-based IPsec VPN configuration example
Objective:
Configure IPsec tunnel between R1 and R2.
R1 IP address: 120.11.5.1;
R2 IP address – 180.100.0.1;
IKE:
Diffie-Hellman group: 2;
encryption algorithm: AES 128 bit;
authentication algorithm: MD5.
IPsec:
encryption algorithm: AES 128 bit;
authentication algorithm: MD5.
Solution:
R1 configuration
Configure external network interface and identify its inherence to a security zone:
esr# configure
esr(config)#
interface
gigabitethernet
1
/
0
/
1
esr(config-
if
-gi)# ip address
120.11
.
5.1
/
24
esr(config-
if
-gi)# security-zone untrusted
esr(config-
if
-gi)# exit
To configure security zones rules, you should create ISAKMP port profile:
esr(config)# object-group service ISAKMP
esr(config-object-group-service)# port-range
500
esr(config-object-group-service)# exit
Create IKE protocol profile. Select Diffie-Hellman group 2, AES 128 bit encryption algorithm and MD5
authentication algorithm in the profile. The given security parameters are used for IKE connection
protection: