一、组网需求:
客户网络中有一台NE40路由器和一台SR6608路由器对接。为了增加链路带宽,并实现链路冗余,客户打算使用两条线路连接NE40和SR6608,并配置三层静态链路聚合功能。
设备及版本:SR6608路由器1台(版本为R3103P05)、NE40路由器1台(版本为NE40&80 V300R005C01B323SPC003)。
二、组网图:
三、配置步骤:
NE40 配置 |
# interface
Eth-Trunk1 //创建一个Eth-Trunk接口,编号为1 undo
shutdown //手工将此接口UP ip address 10.0.0.2 255.255.255.0 # interface Ethernet2/0/14 undo shutdown eth-trunk
1 //将此接口加入Eth-Trunk 1 # interface Ethernet2/0/15 undo shutdown eth-trunk
1 //将此接口加入Eth-Trunk 1 # |
SR6608 配置 |
# interface Route-Aggregation
1 //创建三层聚合接口1 ip address 10.0.0.1 255.255.255.0 # interface GigabitEthernet5/0/0 port link-mode route port link-aggregation group
1 //将此接口加入聚合接口1 # interface GigabitEthernet5/0/1 port link-mode route port link-aggregation group
1 //将此接口加入聚合接口1 # |
四、功能测试:
1、 配置完成后,查看SR6608上成员端口上链路聚合的详细信息:
[H3C]dis link-aggregation member-port Flags: A -- LACP_Activity, B -- LACP_Timeout, C -- Aggregation, D -- Synchronization, E -- Collecting, F -- Distributing, G -- Defaulted, H -- Expired GigabitEthernet5/0/0: Aggregation Interface: Route-Aggregation1 Port Number: 3 Port Priority: 32768 Oper-Key: 1 GigabitEthernet5/0/1: Aggregation Interface: Route-Aggregation1 Port Number: 6 Port Priority: 32768
2、 查看链路聚合组的摘要信息:
[H3C]dis link-aggregation summary
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-41af-f195
AGG AGG Partner ID Select Unselect Share
Interface Mode Ports Ports Type
-------------------------------------------------------------------------------
RAGG1 S none 2 0 Shar
3、 从SR6608上ping NE40,连通性测试成功,并在连续Ping时手工断开G5/0/1:
Reply from 10.0.0.2: bytes=56 Sequence=26 ttl=255 time=2 ms
Reply from 10.0.0.2: bytes=56 Sequence=27 ttl=255 time=2 ms
%Sep 17 20:45:50:129 2013 H3C IFNET/3/LINK_UPDOWN: GigabitEthernet5/0/1 link status is DOWN.
%Sep 17 20:45:50:129 2013 H3C LAGG/5/LAGG_INACTIVE_PHYSTATE: Member port GigabitEthernet5/0/1 of aggregation group RAGG1 becomes INACTIVE because the port's physical state (down) is improper for being attached.
Reply from 10.0.0.2: bytes=56 Sequence=28 ttl=255 time=2 ms
Reply from 10.0.0.2: bytes=56 Sequence=29 ttl=255 time=2 ms
可见,当其中一条链路断开时,报文会通过另外一条链路转发。
五、配置关键点:
1、NE40/80以太网接口默认情况下是shutdown的,需要手工undo shutdown 。
2、NE40/80系列路由器不支持LACP协议,因此无法与SR66/SR66X系列路由器作三层动态链路聚合对接。
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