H3C 交换机端口汇聚

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http://blog.sina.com.cn/s/blog_5d867af10101bnh8.html

端口汇聚

(1)采用手工汇聚方式：

[Switch]link-aggregation group 1 mode manual # 创建手工汇聚组 1

# 将以太网端口 GigabitEthernet1/0/1 至 GigabitEthernet1/0/3 加入汇聚组 1。

[Switch]interface GigabitEthernet 1/0/1

[Switch-GigabitEthernet1/0/1] port link-aggregation group 1

[Switch-GigabitEthernet1/0/1] interface GigabitEthernet 1/0/2

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

[Switch-GigabitEthernet1/0/2] interface GigabitEthernet 1/0/3

[Switch-GigabitEthernet1/0/3] port link-aggregation group 1

(2)采用静态 LACP 汇聚方式：

# 创建静态汇聚组 1。

[Switch] link-aggregation group 1 mode static

# 将以太网端口 GigabitEthernet1/0/1 至 GigabitEthernet1/0/3 加入汇聚组 1。

[Switch] interface GigabitEthernet 1/0/1

[Switch-GigabitEthernet1/0/1] port link-aggregation group 1

[Switch-GigabitEthernet1/0/1] interface GigabitEthernet 1/0/2

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

[Switch-GigabitEthernet1/0/2] interface GigabitEthernet 1/0/3

[Switch-GigabitEthernet1/0/3] port link-aggregation group 1

(3)采用动态 LACP 汇聚方式：

# 开启以太网端口 GigabitEthernet1/0/1 至 GigabitEthernet1/0/3 的 LACP 协议。

[Switch] interface GigabitEthernet1/0/1

[Switch-GigabitEthernet1/0/1] lacp enable

[Switch-GigabitEthernet1/0/1] interface GigabitEthernet 1/0/2

[Switch-GigabitEthernet1/0/2] lacp enable

[Switch-GigabitEthernet1/0/2] interface GigabitEthernet 1/0/3

[Switch-GigabitEthernet1/0/3] lacp enable

-------------------------------------

H3C S5120-SI 端口聚合：

#interface Bridge-Aggregation1 //创建聚合接口，创建好后会自动创建一个编号和这个编号一样的聚合group

#interface GigabitEthernet1/0/1

port link-type trunk

port trunk permit vlan all

speed 100

duplex full

port link-aggregation group 1 //把端口加入聚合组，加入聚合组的端口须强制全双工和速率，并且一致

#interface GigabitEthernet1/0/2

port link-type trunk

port trunk permit vlan all

speed 100

duplex full

port link-aggregation group 1

#interface Bridge-Aggregation1 一定要在聚合接口上启用trunk并且允许所有vlan，不然就算在上面2个口上启用了trunk允许所有vlan还是不能信

port link-type trunk

port trunk permit vlan all //在聚合口上设置link-type 和允许通过的vlan，设置后会自动同步到聚合组中所有接口上

link-aggregation load-sharing mode destination-ip source-ip //设置负载均衡方式

[H3C]dis link-aggregation summary //查看聚合组状态

Aggregation Interface Type:

BAGG -- Bridge-Aggregation, RAGG -- Route-Aggregation

Aggregation Mode: S -- Static, D -- Dynamic

Loadsharing Type: Shar -- Loadsharing, NonS -- Non-Loadsharing

Actor System ID: 0x8000, 0cda-4134-dfab

AGG AGG Partner ID Select Unselect Share

Interface Mode Ports Ports Type

-------------------------------------------------------------------------------

BAGG1 S none 2 0 Shar

[H3C]dis interface Bridge-Aggregation 1

Bridge-Aggregation1 current state: UP

IP Packet Frame Type: PKTFMT_ETHNT_2, Hardware Address: 0cda-4134-dfad

Description: Bridge-Aggregation1 Interface

200Mbps-speed mode, full-duplex mode

Link speed type is autonegotiation, link duplex type is autonegotiation

PVID: 1

Port link-type: trunk

VLAN passing : 1(default vlan), 100, 300

VLAN permitted: 1(default vlan), 2-4094

Trunk port encapsulation: IEEE 802.1q

Last clearing of counters: Never

-----------------------------------------

H3C S3000端口聚合方式：

把需要加入到聚合组中的端口强制百兆，强制全双工，口上不要应用其他任何策略

link-aggregation Ethernet0/13 to Ethernet0/14 both //建立聚合组把13口和14口加入进去，必须是连续的端口

interface Ethernet0/13

description to s1520

duplex full

speed 100

port link-type trunk

port trunk permit vlan all

traffic-limit inbound link-group 4000 rule 0 5 exceed drop //在一个口上应用限速策略后，另一个口会同步

interface Ethernet0/14

description to s1520

duplex full

speed 100

port link-type trunk

port trunk permit vlan all

traffic-limit inbound link-group 4000 rule 0 5 exceed drop

手工聚合

手工汇聚端口的LACP协议为关闭状态，禁止用户使能手工汇聚端口的LACP协议。被聚合的设备间无需交互协议报文，端口的聚合完全由管理员手工指定。

静态LACP聚合

在静态LACP聚合方式下，需要启动LACP协议，但不允许系统自动向聚合组中添加端口。此时本端（Actor）设备和对端（Partner）设备有了LACP的交互，在静态LACP聚合方式下，设备不仅仅参考人工配置的哪些端口在一个聚合组，设备还要通过LACP协议交互，来确定这些被人工聚合的端口是否真的可以被聚合在一起。

动态聚合

动态LACP聚合方式，无需手工创建聚合组，也无需指定端口的聚合组，设备间交互LACPDU，根据每个端口上接收到的对端设备ID等参数，本设备硬件限制等，来确定哪些端口具备被聚合的条件，进而给每个端口分配相同的Key值，那么这些端口就可以被聚合。

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