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Fat AP and Cloud AP V200R010C00 Command Reference

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vrrp vrid track admin-vrrp vrid

vrrp vrid track admin-vrrp vrid

Function

The vrrp vrid track admin-vrrp vrid command binds a VRRP group to an mVRRP group.

The undo vrrp vrid track admin-vrrp command unbinds a VRRP group from an mVRRP group.

By default, no VRRP group is bound to an mVRRP group.

Format

vrrp vrid virtual-router-id1 track admin-vrrp interface interface-type interface-number vrid virtual-router-id2 unflowdown

undo vrrp vrid virtual-router-id1 track admin-vrrp

Parameters

Parameter Description Value
vrid virtual-router-id1 Specifies the VRID of a VRRP group. The value is an integer that ranges from 1 to 255.
vrid virtual-router-id2 Specifies the VRID of an mVRRP group. The value is an integer that ranges from 1 to 255.
interface-type interface-number Specifies the type and number of the interface configured with an mVRRP group.
  • interface-type specifies the interface type.
  • interface-number specifies the interface number.
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unflowdown

Allows the interface where a VRRP group bound to an mVRRP group is configured to retain the Up state if the mVRRP group is in Backup or Initialize state.

-

Views

VLANIF interface view

Default Level

2: Configuration level

Usage Guidelines

Usage Scenario

If multiple VRRP groups are configured on the device, each group sends VRRP Advertisement packets to maintain its state machine. A large number of VRRP Advertisement packets are generated, which occupy network bandwidth resources and cause CPU performance to deteriorate. To solve the problem, run the vrrp vrid track admin-vrrp vrid command to bind a VRRP group to an mVRRP group. After a VRRP group is bound to an mVRRP group, the VRRP group does not send VRRP Advertisement packets to negotiate the Master and Backup states. The mVRRP group determines the status of the bound VRRP group. This method greatly reduces the impact of VRRP Advertisement packets on network bandwidth and CPU performance.

This mode is used on a network where uplink and downlink traffic can be transmitted along different paths. unflowdown can be configured to allow the mVRRP group to determine the status of its bound VRRP group. Uplink traffic travels through the master and then reaches the upper-layer network, and downlink traffic travels through either the master or backup and reaches a user.

Prerequisites

A VRRP group and an mVRRP group have been created.

The vrrp vrid track admin-vrrp vrid command can be used only on the interface where the bound VRRP group is configured. It cannot be used on the interface where an mVRRP group is configured.

Example

# Bind VRRP group 1 to mVRRP group 2.

<Huawei> system-view
[Huawei] interface vlanif 10
[Huawei-Vlanif10] vrrp vrid 1 track admin-vrrp interface vlanif 20 vrid 2 unflowdown
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Updated: 2019-11-21

Document ID: EDOC1100064352

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