关于M-LAG 聚合口无法up

主交换机配置 配置M-LAG： 

[Core-A]m-lag system-mac 1-1-1

 Changing the system MAC address might flap the peer link and cause M-LAG system setup failure. Continue? [Y/N]:y 

[Core-A]m-lag system-number 1

 Changing the system number might flap the peer link and cause M-LAG system setup failure. Continue? [Y/N]:y 

[Core-A]m-lag system-priority 123 Changing the system priority might flap the peer link and cause M-LAG system setup failure. Continue? [Y/N]:y

[Core-A]m-lag restore-delay 180 

[Core-A]m-lag keepalive ip destination 1.1.1.1 source 1.1.1.2

配置M-LAG的Keeplive三层动态聚合口： 

[Core-A]interface Route-Aggregation 1 

[Core-A-Route-Aggregation1]description ##M-LAG(Keeplive)Ragg## 

[Core-A-Route-Aggregation1]link-aggregation mode dynamic 

[Core-A-Route-Aggregation1]ip address 1.1.1.2 255.255.255.252 

[Core-A-Route-Aggregation1]quit 

[Core-A]interface range GigabitEthernet 1/0/47 GigabitEthernet 1/0/48 

[Core-A-if-range]port link-mode route 

[Core-A-if-range]port link-aggregation group 1 

[Core-A-if-range]quit 

[Core-A]interface GigabitEthernet 1/0/47

[Core-A-GigabitEthernet1/0/47]description ##Link-Core-B(G1/0/47)## 

[Core-A-GigabitEthernet1/0/47]quit 

[Core-A]interface GigabitEthernet 1/0/48 

[Core-A-GigabitEthernet1/0/48]description ##Link-Core-B(G1/0/48)## 

[Core-A-GigabitEthernet1/0/48]quit 

[Core-A]m-lag mad exclude interface Route-Aggregation 1

配置M-LAG的peer-link二层动态聚合口： 

[Core-A]interface Bridge-Aggregation 1 

[Core-A-Bridge-Aggregation1]description ##Peer-Link## 

[Core-A-Bridge-Aggregation1]link-aggregation mode dynamic 

[Core-A-Bridge-Aggregation1]quit 

[Core-A]interface range FortyGigE 1/0/53 FortyGigE 1/0/54 

[Core-A-if-range]port link-aggregation group 1 

[Core-A-if-range]quit 

[Core-A]interface Bridge-Aggregation 1 

[Core-A-Bridge-Aggregation1]port m-lag peer-link 1 

[Core-A-Bridge-Aggregation1]undo port trunk permit vlan 1 

[Core-A-Bridge-Aggregation1]port trunk permit vlan 2 to 4094 

[Core-A-Bridge-Aggregation1]quit

[Core-A]interface FortyGigE 1/0/53 

[Core-A-FortyGigE1/0/53]description ##Link-Core-B(FG1/0/53)## 

[Core-A-FortyGigE1/0/53]quit 

[Core-A]interface FortyGigE 1/0/54 

[Core-A-FortyGigE1/0/54]description ##Link-Core-B(FG1/0/54)## 

[Core-A-FortyGigE1/0/54]quit 

[Core-A]save f

从交换机配置 配置M-LAG： 

[Core-B]m-lag system-mac 1-1-1 

Changing the system MAC address might flap the peer link and cause M-LAG system setup failure. Continue? [Y/N]:y 

[Core-B]m-lag system-number 2 

Changing the system number might flap the peer link and cause M-LAG system setup failure. Continue? [Y/N]:y 

[Core-B]m-lag system-priority 123 Changing the system priority might flap the peer link and cause M-LAG system setup failure. Continue? [Y/N]:y 

[Core-B]m-lag restore-delay 180 

[Core-B]m-lag keepalive ip destination 1.1.1.2 source 1.1.1.1

配置M-LAG的Keeplive三层动态聚合口： 

[Core-B]interface Route-Aggregation 1 

[Core-B-Route-Aggregation1]description ##M-LAG(Keeplive)Ragg## 

[Core-B-Route-Aggregation1]link-aggregation mode dynamic 

[Core-B-Route-Aggregation1]ip address 1.1.1.1 255.255.255.252 

[Core-B-Route-Aggregation1]quit 

[Core-B]interface range GigabitEthernet 1/0/47 GigabitEthernet 1/0/48 

[Core-B-if-range]port link-mode route 

[Core-B-if-range]port link-aggregation group 1 

[Core-B-if-range]quit 

[Core-B]interface GigabitEthernet 1/0/47 

[Core-B-GigabitEthernet1/0/47]description ##Link-Core-A(G1/0/47)## 

[Core-B-GigabitEthernet1/0/47]quit 

[Core-B]interface GigabitEthernet 1/0/48 

[Core-B-GigabitEthernet1/0/48]description ##Link-Core-A(G1/0/48)## 

[Core-B-GigabitEthernet1/0/48]quit 

[Core-B]m-lag mad exclude interface Route-Aggregation 1

配置M-LAG的peer-link二层动态聚合口： 

[Core-B]interface Bridge-Aggregation 1

[Core-B-Bridge-Aggregation1]description ##Peer-Link## 

[Core-B-Bridge-Aggregation1]link-aggregation mode dynamic 

[Core-B-Bridge-Aggregation1]quit 

[Core-B]interface range FortyGigE 1/0/53 FortyGigE 1/0/54 

[Core-B-if-range]port link-aggregation group 1 

[Core-B-if-range]quit 

[Core-B]interface Bridge-Aggregation 1 

[Core-B-Bridge-Aggregation1]port m-lag peer-link 1 

[Core-B-Bridge-Aggregation1]undo port trunk permit vlan 1 

[Core-B-Bridge-Aggregation1]port trunk permit vlan 2 to 4094 

[Core-B-Bridge-Aggregation1]quit 

[Core-B]interface FortyGigE 1/0/53 

[Core-B-FortyGigE1/0/53]description ##Link-Core-A(FG1/0/53)## 

[Core-B-FortyGigE1/0/53]quit 

[Core-B]interface FortyGigE 1/0/54 

[Core-B-FortyGigE1/0/54]description ##Link-Core-A(FG1/0/54)## 

[Core-B-FortyGigE1/0/54]quit 

[Core-B]save f

主交换机配置下联交换机M-LAG口： 

[Core-A]interface Bridge-Aggregation 2

[Core-A-Bridge-Aggregation2]description ##Link-L2-01(M-LAG)## 

[Core-A-Bridge-Aggregation2]link-aggregation mode dynamic 

[Core-A-Bridge-Aggregation2]quit 

[Core-A]interface GigabitEthernet 1/0/1 

[Core-A-GigabitEthernet1/0/1]description ##Link-L2-01(G1/0/47)## 

[Core-A-GigabitEthernet1/0/1]port link-aggregation group 2 

[Core-A-GigabitEthernet1/0/1]quit 

[Core-A]interface Bridge-Aggregation 2 

[Core-A-Bridge-Aggregation2]port link-type trunk 

[Core-A-Bridge-Aggregation2]undo port trunk permit vlan 1 

[Core-A-Bridge-Aggregation2]port trunk permit vlan 2 to 4094 

[Core-A-Bridge-Aggregation2]port m-lag group 1 

[Core-A-Bridge-Aggregation2]quit 

[Core-A]save f

从交换机配置下联交换机M-LAG口： 

[Core-B]interface Bridge-Aggregation 2 

[Core-B-Bridge-Aggregation2]description ##Link-L2-01(M-LAG)## 

[Core-B-Bridge-Aggregation2]link-aggregation mode dynamic 

[Core-B-Bridge-Aggregation2]quit 

[Core-B]interface GigabitEthernet 1/0/1 

[Core-B-GigabitEthernet1/0/1]description ##Link-L2-01(G1/0/48)## 

[Core-B-GigabitEthernet1/0/1]port link-aggregation group 2 

[Core-B-GigabitEthernet1/0/1]quit 

[Core-B]interface Bridge-Aggregation 2 

[Core-B-Bridge-Aggregation2]port link-type trunk 

[Core-B-Bridge-Aggregation2]undo port trunk permit vlan 1 

[Core-B-Bridge-Aggregation2]port trunk permit vlan 2 to 4094 

[Core-B-Bridge-Aggregation2]port m-lag group 1 

[Core-B-Bridge-Aggregation2]quit 

[Core-B]save f

接入交换机配置： 

[L2-01]interface Bridge-Aggregation 1 

[L2-01-Bridge-Aggregation1]description ##Link-Core(M-LAG)## 

[L2-01-Bridge-Aggregation1]port link-type trunk 

[L2-01-Bridge-Aggregation1]undo port trunk permit vlan 1 

[L2-01-Bridge-Aggregation1]port trunk permit vlan 2 to 4094 

[L2-01-Bridge-Aggregation1]quit [L2-01]interface GigabitEthernet 1/0/47 

[L2-01-GigabitEthernet1/0/47]description ##Link-Core-A(G1/0/1)## 

[L2-01-GigabitEthernet1/0/47]port link-aggregation group 1 

[L2-01-GigabitEthernet1/0/47]quit 

[L2-01]interface GigabitEthernet 1/0/48 

[L2-01-GigabitEthernet1/0/48]description ##Link-Core-B(G1/0/1)## 

[L2-01-GigabitEthernet1/0/48]port link-aggregation group 1 

[L2-01-GigabitEthernet1/0/48]quit