二层eth-trunk配置
#switchA
#建eth-trunk端口
interface Eth-Trunk11
description GE19 GE20 s5720-S5700S48P
port link-type trunk
port trunk allow-pass vlan 2 to 4094
#eth-trunk设置
mode lacp
max active-linknumber 2
#arp保护
arp anti-attack rate-limit enable
arp-miss anti-attack rate-limit enable
interface GigabitEthernet0/0/19
eth-trunk 11
lacp priority 100
interface GigabitEthernet0/0/20
eth-trunk 11
lacp priority 100
#switchB
#建eth-trunk端口
interface Eth-Trunk11
port link-type trunk
port trunk allow-pass vlan 2 to 4094
#eth-trunk设置
mode lacp
max active-linknumber 2
interface GigabitEthernet0/0/47
eth-trunk 11
interface GigabitEthernet0/0/48
eth-trunk 11
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三层eth-trunk配置
routeA
interface Eth-Trunk1
undo portswitch
ip address 10.1.1.1 255.255.255.252
mode lacp-static
max active-linknumber 2
interface GigabitEthernet0/0/0
undo portswitch
eth-trunk 1
interface GigabitEthernet0/0/1
undo portswitch
eth-trunk 1
switchB
interface Eth-Trunk1
undo portswitch
ip address 10.1.1.2 255.255.255.252
mode lacp
max active-linknumber 2
interface GigabitEthernet0/0/21
eth-trunk 1
lacp priority 100
interface GigabitEthernet0/0/22
eth-trunk 1
lacp priority 100