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How to check the Phase 2 Proposals on both sides of a VPN

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Article ID: KB4407 KB Last Updated: 11 Mar 2013Version: 5.0
Summary:
This article provides information on how to check the Phase 2 Proposals on both sides of a VPN.
Symptoms:
How to check the Phase 2 Proposals on both sides of a VPN.
Cause:

Solution:

Note: This article is applicable to ScreenOS 5.0 or later.

To check the phase 2 proposals on both sides, perform the following procedure:

Open the WebUI. For more information, refer to KB4317 - [ScreenOS] Accessing your Juniper firewall device using the WebUI.

From the NetScreen options menu, click VPNs, and then click AutoKey IKE.

Image of step two


Locate the VPN and then click Edit:



Click Advanced.

Image of step four


Verify the Phase 2 Proposal settings.

Image of step five

The Custom made Phase 2 Proposals can be configured/ edited under the VPNs > AutoKey Advanced > P2 Proposal
It will also provide the predefined Phase 2 Proposals along with their attributes.



Connect to the other NetScreen device, and repeat Step 2 through Step 5. Configure the Phase 2 proposal to match the settings of the first NetScreen device.

You can verify the Phase 2 proposals and configuration by using the following command in the CLI:

Get vpn <VPN PHASE 2 NAME>

For information on the predefined Phase 2 proposals, such as Standard, Compatible & Basic, use the following command:

nsisg1000(M)-> get ike p2-sec-level

IKE Phase-2 Standard Level:
Id Name Grp Protocol Enc_alg Auth_alg Lifetime Lifesize
-- -------------------- --- -------- ------- -------- ---------- ----------
9 g2-esp-3des-sha 2 ESP 3DES SHA-1 3600 0
11 g2-esp-aes128-sha 2 ESP AES128 SHA-1 3600 0

IKE Phase-2 Compatible Level:
Id Name Grp Protocol Enc_alg Auth_alg Lifetime Lifesize
-- -------------------- --- -------- ------- -------- ---------- ----------
8 nopfs-esp-3des-sha 0 ESP 3DES SHA-1 3600 0
4 nopfs-esp-3des-md5 0 ESP 3DES MD5 3600 0
1 nopfs-esp-des-sha 0 ESP DES SHA-1 3600 0
0 nopfs-esp-des-md5 0 ESP DES MD5 3600 0

IKE Phase-2 basic Level:
Id Name Grp Protocol Enc_alg Auth_alg Lifetime Lifesize
-- -------------------- --- -------- ------- -------- ---------- ----------
1 nopfs-esp-des-sha 0 ESP DES SHA-1 3600 0
0 nopfs-esp-des-md5 0 ESP DES MD5 3600 0

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