Configure ICMP Router Discovery on a VLAN

Before you begin

  • You must globally enable ICMP Router Discovery.

  • Change the VRF instance as required. For information about how to use EDM for a non-default VRF, see Select and Launch a VRF Context View.

About this task

When you enable ICMP Router Discovery, the system sends Router Discovery advertisement packets to the VLAN.

Procedure

  1. In the navigation pane, expand Configuration > VLAN.
  2. Select VLANs.
  3. Select the VLAN ID that you want to configure to participate in Router Discovery.
  4. Select IP.
  5. Select the Router Discovery tab.
  6. To enable Router Discovery for the VLAN, select AdvFlag.
  7. Configure other parameters as required for proper operation.
  8. Select Apply.

Router Discovery Field Descriptions

Use the data in the following table to use the Router Discovery tab.

Name

Description

AdvAddress

Specifies the destination IP address used for broadcast or multicast router advertisements sent from the interface. The address is the all-systems multicast address, 224.0.0.1, or the limited-broadcast address, 255.255.255.255.

The default value is 255.255.255.255.

AdvFlag

Indicates whether (true) or not (false) the address is advertised on the interface.

The default value is true (advertise address).

AdvLifetime

Specifies the time to-live-value (TTL) of router advertisements (in seconds) sent from the interface. The range is MaxAdvInterval to 9000 seconds.

The default value is 1800 seconds.

MaxAdvInterval

Specifies the maximum time (in seconds) allowed between sending unsolicited broadcast or multicast router advertisements from the interface. The range is 4 seconds to 1800 seconds.

The default value is 600 seconds.

MinAdvInterval

The minimum time (in seconds) allowed between unsolicited broadcast or multicast router advertisements sent from the interface. The range is 3 seconds to MaxAdvInterval.

The default value is 450 seconds.

PreferenceLevel

Specifies the preference value (a higher number indicates more preferred) of the address as a default router address, relative to other router addresses on the same subnet. The range is –2147483648 to 2147483647.

The default value is 0.
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