mode (Forwarding-Options)

Syntax

mode (packet-based | flow-based | drop );

Hierarchy Level

[edit security forwarding-options family inet6]

Release Information

Support on SRX Series and J Series devices for flow-based mode for family inet6 added in Release 10.2 of Junos OS.

Description

Specify forwarding options for IPv6 traffic.

Options

drop—Drop IPv6 packets. This is the default setting.

flow-based—Perform flow-based packet forwarding.

packet-based—Perform simple packet forwarding. Packet-based mode is not available for SRX3400, SRX3600, SRX5400, or SRX5600. The option does not appear in the CLI for these devices.

Usage Guidelines

If you change the forwarding option mode for IPv6, you might have to perform a reboot to initialize the configuration change. Table 4 summarizes device status upon configuration change.

Table 4: Device Status Upon Configuration Change

Configuration Change

Commit Warning

Reboot Required

Impact on Existing Traffic Before Reboot

Impact on New Traffic Before Reboot

Drop to flow-based

Yes

Yes

Dropped

Dropped

Drop to packet-based

No

No

Packet-based

Packet-based

Flow-based to packet-based

Yes

Yes

None

Flow sessions created

Flow-based to drop

Yes

Yes

None

Flow sessions created

Packet-based to flow-based

Yes

Yes

Packet-based

Packet-based

Packet-based to drop

No

No

Dropped

Dropped

For configuration instructions and examples, see the Junos OS Security Configuration Guide.

Required Privilege Level

security—To view this statement in the configuration.

security-control—To add this statement to the configuration.