Configuring IPv4 Settings

Updated on 09 Aug 2024
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Setting the IGMP Version

Internet Group Management Protocol (IGMP) is a Layer-3 communication protocol used by
networking equipment to more efficiently manage multicast traffic.
You must select the unit’s IGMP version that applies to all interfaces of the unit.

To set the unit's IGMP version

Access the page System ▶IPv4.
Make a selection from the IGMP Version drop-down list, then click Apply.

For more information on specific parameters, refer to the following table.

IPv4 Settings (System ▶IPv4)

Parameter	Description
Enable Forwarding	Select this box to enable the IPv4 forwarding feature on a per-interface basis. You must now enable forwarding in the System ▶ Configuration ▶Interface page for each IPv4 interface on which you want to forward ingress traffic. If you clear this box, IPv4 forwarding on all interfaces configured on this unit will be automatically disabled.
Allow ICMP redirect	Select this box to enable or disable the global ICMP redirects.
IGMP Version	Possible values are: System default V2 V3 Note: It is recommended to select V3 unless you require V2 due to compatibility issues.

Parameter

Description

Enable Forwarding

Select this box to enable the IPv4 forwarding feature on a per-interface basis. You must now enable forwarding in the System ▶ Configuration ▶Interface page for each IPv4 interface on which you want to forward ingress traffic.

If you clear this box, IPv4 forwarding on all interfaces configured on this unit will be automatically disabled.

Allow ICMP redirect

Select this box to enable or disable the global ICMP redirects.

IGMP Version

Possible values are:

System default
V2
V3

Note: It is recommended to select V3 unless you require V2 due to compatibility issues.

Enabling IPv4 Forwarding

The IPv4 forwarding feature enables you to reroute ingress traffic from one interface on the unit to another. It can be used as part of performing traffic management tasks.

You can enable IPv4 forwarding on any type of ingress interface via either the Web Interface or CLI, but not via SNMP.

To apply IP forwarding to the ingress traffic on a particular interface, access
the page Configuration ▶Interface ▶<Interface_Name> and select the box
Allow IP Forwarding. See "Configuring the Logical Interfaces" for details.

To enable IPv4 forwarding

Access the page System ▶IPv4.
Select the Enable Forwarding box, then click Apply.
For more information on specific parameters, refer to the table above.

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