..........................................................................................................................................................................58

2 VRRP Configuration...................................................................................................................66

2.1 VRRP Overview...............................................................................................................................................68

2.2 VRRP Features Supported by the AR2200-S...................................................................................................68

2.3 Configuring a VRRP Backup Group................................................................................................................69

2.3.1 Establishing the Configuration Task.......................................................................................................69

2.3.2 Creating a Backup Group and Configuring a Virtual IP Address...........................................................70

2.3.3 Configuring Priorities for Interfaces Where a Backup Group Is Created...............................................71

2.3.4 Checking the Configuration.....................................................................................................................72

2.4 Configuring VRRP to Track the Status of an Interface....................................................................................73

2.4.1 Establishing the Configuration Task.......................................................................................................73

2.4.2 Configuring VRRP to Track the Status of an Interface...........................................................................74

2.4.3 Checking the Configuration.....................................................................................................................75

2.5 Configuring VRRP Applications in VLANIF..................................................................................................76

2.5.1 Establishing the Configuration Task.......................................................................................................76

2.5.2 Configuring VRRP on VLANIF..............................................................................................................76

2.5.3 (Optional) Configuring the Mode of Sending VRRP Packets in Super-VLAN......................................77

2.5.4 Checking the Configuration.....................................................................................................................77

2.6 Configuring VRRP Security.............................................................................................................................78

2.6.1 Establishing the Configuration Task.......................................................................................................78

2.6.2 Configuring the Authentication Mode of VRRP Packets........................................................................79

2.6.3 Checking the Configuration.....................................................................................................................80

2.7 Adjusting and Optimizing VRRP.....................................................................................................................80

2.7.1 Establishing the Configuration Task.......................................................................................................81

2.7.2 Configuring the Interval for Sending VRRP Advertising Messages.......................................................81

2.7.3 Configuring the Preemption Delay Time of Backup Group Routers......................................................82

2.7.4 Enabling the Reachability Test of the Virtual IP Address.......................................................................83

2.7.5 Disabling a Router from Checking Number of Hops in VRRP Packets.................................................84

2.7.6 Configuring the Timeout Time of Sending Gratuitous ARP Packets by the Master router....................84

2.7.7 Checking the Configuration.....................................................................................................................85

2.8 Configuring VRRP Version Upgrade...............................................................................................................85

2.8.1 Establishing the Configuration Task.......................................................................................................85

2.8.2 Configuring VRRPv3..............................................................................................................................86

2.8.3 Checking the Configuration.....................................................................................................................86

2.9 Configuring a Fast VRRP Switchover..............................................................................................................87

2.9.1 Establishing the Configuration Task.......................................................................................................87

2.9.2 Tracking the BFD Session Status............................................................................................................88

2.9.3 Associating a VRRP Backup Group with an NQA Test Instance...........................................................89

2.9.4 Associating VRRP with a Route to Implement a Rapid Master/Backup VRRP Switchover..................90

2.9.5 Checking the Configuration.....................................................................................................................91

2.10 Maintaining VRRP.........................................................................................................................................92

Issue 01 (2012-01-06)

Huawei Proprietary and Confidential

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