问题描述:
基于以上组网,B C两个设备之间链路的带宽分别为50M和100M,比例为1:2,想要实现流量按照接口的带宽值计算出各个接口应该分配的报文比例,按照带宽比例对报文进行转发。
B设备:
ip load-sharing mode per-packet global设备基于报文逐包进行负载分担
undo ip fast-forwarding enable 关闭快转
bandwidth-based-sharing开启IPv4基于带宽的负载分担功能。
interface GigabitEthernet0/0
port link-mode route
bandwidth 50
ip address 2.1.1.1 255.255.255.0
ospf cost 1
ip last-hop hold
interface GigabitEthernet0/1
port link-mode route
bandwidth 100
ip address 3.1.1.1 255.255.255.0
ospf cost 1
ip last-hop hold
C设备:
ip load-sharing mode per-packet global
undo ip fast-forwarding enable
bandwidth-based-sharing
interface GigabitEthernet0/0
port link-mode route
bandwidth 50
ip address 2.1.1.2 255.255.255.0
ospf cost 1
ip last-hop hold
interface GigabitEthernet0/1
port link-mode route
bandwidth 100
ip address 3.1.1.2 255.255.255.0
ospf cost 1
ip last-hop hold
配置验证:
从A设备ping D设备和E设备,分别ping 60个报文,在C设备上进行流量统计,发现接口0/0和0/1统计到的报文数量约为1:2.
<A>ping -c 60 5.1.1.2
<A>ping -c 60 4.1.1.2
<C>dis qos policy interface GigabitEthernet 0/0
Interface: GigabitEthernet0/0
Direction: Inbound
Policy: liutong
Classifier: liutong
Matched : 41 (Packets) 4018 (Bytes)
5-minute statistics:
Forwarded: 0/57 (pps/bps)
Dropped : 0/0 (pps/bps)
Operator: AND
Rule(s) :
If-match acl 3888
Behavior: liutong
Filter enable: Permit
<C>dis qos policy interface GigabitEthernet 0/1
Interface: GigabitEthernet0/1
Direction: Inbound
Policy: liutong
Classifier: liutong
Matched : 79 (Packets) 7742 (Bytes)
5-minute statistics:
Forwarded: 0/120 (pps/bps)
Dropped : 0/0 (pps/bps)
Operator: AND
Rule(s) :
If-match acl 3888
Behavior: liutong
Filter enable: Permit
配置注意事项:
1.
2.
3.
4.
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