
Function Brief................................................................................................................46
4.7.1 ip dhcpd................................................................................................................46
4.7.2 dhcp pool..............................................................................................................47
4.7.3 network.................................................................................................................47
4.7.4 default-router.......................................................................................................48
4.7.5 dns-server............................................................................................................48
4.7.6 static......................................................................................................................48
4.7.7 lease.....................................................................................................................49
4.7.8 domain-name ......................................................................................................50
4.7.9 nbns-server..........................................................................................................50
4.7.10 example..............................................................................................................50
4.8 DHCP relay.....................................................................................................................51
Function Brief................................................................................................................51
4.8.1 ip helper-address................................................................................................51
4.9 DHCP snooping..............................................................................................................52
Function Brief................................................................................................................52
4.9.1 ip dhcp-snooping ................................................................................................52
4.9.2 ip dhcp-snooping trust........................................................................................53
4.9.3 show ip dhcp-snooping lease ...........................................................................53
4.10 QoS config....................................................................................................................54
Function Brief................................................................................................................54
4.10.1 remask................................................................................................................54
4.10.2 cos default.........................................................................................................55
4.10.3 trust.....................................................................................................................55
4.10.4 cos map..............................................................................................................56
4.10.5 dscp map...........................................................................................................56
4.10.6 scheduler policy................................................................................................57
4.10.7 example..............................................................................................................57
4.11 VRRP.............................................................................................................................59
Function Brief................................................................................................................59
4.11.1 vrrp advertisement............................................................................................59
4.11.2 vrrp ip..................................................................................................................60
4.11.3 vrrp preempt......................................................................................................60
4.11.4 vrrp preempt time..............................................................................................61
4.11.5 vrrp priority.........................................................................................................61
4.11.6 example..............................................................................................................62
5. Routing configuration commands..........................................................................................64
5.1 Interface config...............................................................................................................64
Function Brief................................................................................................................64
5.1.1 interface................................................................................................................64
5.1.2 shutdown / no shutdown....................................................................................64
5.1.3 ip address ............................................................................................................65
5.1.4 show interface.....................................................................................................65
5.2 Static routing...................................................................................................................66
Function Brief................................................................................................................66
5.2.1 ip route..................................................................................................................66
5.2.2 show ip route.......................................................................................................67
5.2.3 example................................................................................................................67
5.3 OSPF config....................................................................................................................70
Function Brief................................................................................................................70
5.3.1 router ospf .............................................................................................................70
5.3.2 network.................................................................................................................71
5.3.3 router-id................................................................................................................71
5.3.4 timers throttle spf................................................................................................72
5.3.5 default-metric.......................................................................................................72
5.3.6 passive-interface default....................................................................................73