
Chapter 16 IPSec VPN
ZyWALL (ZLD) CLI Reference Guide
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The following sections list the IPSec VPN commands.
16.2.1 IKE SA Commands
This table lists the commands for IKE SAs (VPN gateways).
distinguished_name A domain name. You can use up to 511 alphanumeric, characters, spaces,
or .@=,_- characters.
sort_order Sort the list of currently connected SAs by one of the following
classifications.
algorithm
encapsulation
inbound
name
outbound
policy
timeout
uptime
Table 67 Input Values for IPSec VPN Commands (continued)
LABEL DESCRIPTION
Table 68 isakmp Commands: IKE SAs
COMMAND DESCRIPTION
show isakmp keepalive Displays the Dead Peer Detection period.
show isakmp policy [policy_name] Shows the specified IKE SA or all IKE SAs.
isakmp keepalive <2..60> Sets the Dead Peer Detection period.
[no] isakmp policy policy_name Creates the specified IKE SA if necessary and
enters sub-command mode. The no command
deletes the specified IKE SA.
activate
deactivate
Activates or deactivates the specified IKE SA.
authentication {pre-share | rsa-sig} Specifies whether to use a pre-shared key or a
certificate for authentication.
certificate certificate-name Sets the certificate that can be used for
authentication.
[no] dpd Enables Dead Peer Detection (DPD). The
no
command disables DPD.
[no] fall-back Set this to have the ZyWALL reconnect to the
primary address when it becomes available again
and stop using the secondary connection, if the
connection to the primary address goes down and
the ZyWALL changes to using the secondary
connection.
Users will lose their VPN connection briefly while
the ZyWALL changes back to the primary
connection. To use this, the peer device at the
secondary address cannot be set to use a nailed-
up VPN connection.
fall-back-check-interval <60..86400> Sets how often (in seconds) the ZyWALL checks if
the primary address is available.
mode {main | aggressive} Sets the negotiating mode.
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