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Chapter 20 IPSec VPN
ZyWALL 110/310/1100 Series User’s Guide
299
Content This field is disabled if the Peer ID Type is Any. Type the identity of the remote IPSec
router during authentication. The identity depends on the Peer ID Type.
If the ZyWALL and remote IPSec router do not use certificates,
IP - type an IP address; see the note at the end of this description.
DNS - type the fully qualified domain name (FQDN). This value is only used for
identification and can be any string that matches the peer ID string.
E-mail - the remote IPSec router is identified by the string you specify here; you can
use up to 31 ASCII characters including spaces, although trailing spaces are truncated.
This value is only used for identification and can be any string.
If the ZyWALL and remote IPSec router use certificates, type the following fields from
the certificate used by the remote IPSec router.
IP - subject alternative name field; see the note at the end of this description.
DNS - subject alternative name field
E-mail - subject alternative name field
Subject Name - subject name (maximum 255 ASCII characters, including spaces)
Note: If Peer ID Type is IP, please read the rest of this section.
If you type 0.0.0.0, the ZyWALL uses the IP address specified in the Secure Gateway
Address field. This is not recommended in the following situations:
• There is a NAT router between the ZyWALL and remote IPSec router.
• You want the remote IPSec router to be able to distinguish between IPSec SA
requests that come from IPSec routers with dynamic WAN IP addresses.
In these situations, use a different IP address, or use a different Peer ID Type.
Phase 1 Settings
SA Life Time
(Seconds)
Type the maximum number of seconds the IKE SA can last. When this time has passed,
the ZyWALL and remote IPSec router have to update the encryption and authentication
keys and re-negotiate the IKE SA. This does not affect any existing IPSec SAs, however.
Negotiation
Mode
Select the negotiation mode to use to negotiate the IKE SA. Choices are
Main - this encrypts the ZyWALL’s and remote IPSec router’s identities but takes more
time to establish the IKE SA
Aggressive - this is faster but does not encrypt the identities
The ZyWALL and the remote IPSec router must use the same negotiation mode.
Proposal Use this section to manage the encryption algorithm and authentication algorithm pairs
the ZyWALL accepts from the remote IPSec router for negotiating the IKE SA.
Add Click this to create a new entry.
Edit Select an entry and click this to be able to modify it.
Remove Select an entry and click this to delete it.
# This field is a sequential value, and it is not associated with a specific proposal. The
sequence of proposals should not affect performance significantly.
Table 110 Configuration > VPN > IPSec VPN > VPN Gateway > Edit (continued)
LABEL DESCRIPTION