R3303-HP HSR6800 Routers High Availability Configuration Guide

iv
Enabling the receiving of flush messages ········································································································· 122
Displaying and maintaining Smart Link ····················································································································· 122
Smart Link configuration examples ···························································································································· 122
Single smart link group configuration example ······························································································· 122
Multiple smart link groups load sharing configuration example ···································································· 127
Smart Link and CFD collaboration configuration example ············································································· 131
Configuring VRRP ···················································································································································· 137
VRRP overview ······························································································································································ 137
VRRP standard mode ··········································································································································· 138
VRRP load balancing mode ································································································································ 144
Configuring the IPv4/IPv6 VRRP version ··················································································································· 148
Configuring VRRP for IPv4 ··········································································································································· 149
VRRP for IPv4 configuration task list ·················································································································· 149
Configuring a VRRP working mode ··················································································································· 149
Specifying the type of MAC addresses mapped to virtual IP addresses ······················································· 150
Specifying the VRRP control VLAN ···················································································································· 151
Creating a VRRP group and configuring virtual IP address ············································································ 152
Configuring router priority, preemptive mode and tracking function ···························································· 153
Configuring VF tracking ······································································································································ 154
Enabling ARP entry backup ································································································································ 155
Configuring VRRP packet attributes ··················································································································· 156
Enabling the trap function for VRRP··················································································································· 157
Displaying and maintaining VRRP for IPv4 ······································································································· 158
Configuring VRRP for IPv6 ··········································································································································· 158
VRRP for IPv6 configuration task list ·················································································································· 158
Specifying the type of MAC addresses mapped to virtual IPv6 addresses ·················································· 158
Creating a VRRP group and configuring a virtual IPv6 address ···································································· 159
Configuring router priority, preemptive mode and tracking function ···························································· 160
Configuring VF tracking ······································································································································ 161
Configuring VRRP packet attributes ··················································································································· 162
Displaying and maintaining VRRP for IPv6 ······································································································· 163
IPv4-based VRRP configuration examples ················································································································· 163
Single VRRP group configuration example ······································································································· 163
VRRP interface tracking configuration example ······························································································· 166
Multiple VRRP groups configuration example ·································································································· 169
VRRP load balancing mode configuration example ························································································ 171
IPv6-based VRRP configuration examples ················································································································· 181
Single VRRP group configuration example ······································································································· 181
VRRP interface tracking configuration example ······························································································· 184
Multiple VRRP groups configuration example ·································································································· 188
VRRP load balancing mode configuration example ························································································ 190
Troubleshooting VRRP ·················································································································································· 199
The screen frequently displays error prompts ··································································································· 199
Multiple masters are present in the same VRRP group ···················································································· 199
Frequent VRRP state transition ···························································································································· 200
Configuring BFD ······················································································································································ 201
Introduction to BFD ······················································································································································· 201
How BFD works ··················································································································································· 201
BFD packet format ··············································································································································· 203
Supported features ·············································································································································· 205
Protocols and standards ····································································································································· 205
Configuring BFD basic functions ································································································································ 206
Configuration prerequisites ································································································································ 206