S5700交换机基于VLAN的流策略配置
某客户网络,客户希望在汇聚交换机S7700启用DHCP,并考虑隔离VLAN100和VLAN200,从而达到PC1、PC2可以互通,和PC3不能互通的目的。考虑使用流策略完成不同VLAN的相互隔离。
根据客户需求在汇聚交换机S7703上开启DHCP,创建VLAN100和VLAN200,并设定接口IP地址分别为192.168.1.254/24和192.168.2.254/24;接入交换机S3700-1和S3700-2创建VLAN100,接入交换机S3700-3创建VLAN200。
[S7700]dhcp enable
[S7700]vlan batch 100 200
[S7700]interface Vlanif 100
[S7700-Vlanif100]ip address 192.168.1.254 24
[S7700]interface Vlanif 200
[S7700-Vlanif200]ip address 192.168.2.254 24
[S3700-1]vlan 100
[S3700-2]vlan 100
[S3700-3]vlan 200
配置汇聚交换机S7700的下行端口G2/0/1、G2/0/2和G2/0/3为trunk接口,对应接入交换机S3700接口G0/0/1端口为trunk接口,并将S3700接入交换机的下行端口配置为access接口,保证二层互通。
汇聚交换机S7700:
[S7700-GigabitEthernet2/0/1]port link-type trunk
[S7700-GigabitEthernet2/0/1]port trunk allow-pass vlan 100
[S7700-GigabitEthernet2/0/2]port link-type trunk
[S7700-GigabitEthernet2/0/2]port trunk allow-pass vlan 100
[S7700-GigabitEthernet2/0/3]port link-type trunk
[S7700-GigabitEthernet2/0/3]port trunk allow-pass vlan 200
接入交换机S3700:
[S3700]interface GigabitEthernet 0/0/1
[S3700-GigabitEthernet0/0/1]port link-type trunk
[S3700]interface Ethernet 0/0/1
[S3700-Ethernet0/0/1]port link-type access
[S3700-Ethernet0/0/1]port default vlan 100
分别在两个vlanif接口下开启接口DHCP,下面的终端可以获取到IP地址,得到的结果是,这两个接口下的终端是可以互通的。
[S7700]int vlan 100
[S7700-Vlanif100]dhcp select interface
[S7700]int vlan 200
[S7700-Vlanif200]dhcp select global
可以看到PC1、PC2和PC3分别获得到地址,验证互通性,可以发现PC1和PC2、PC3都是互通,然而,通常我们希望不同VLAN下的终端是不能互通的
其它配置依此变通:
禁止vlan 48被vlan 30 ,vlan40访问
Vlan 48的网关地址是:192.168.48.1/24
Vlan 30的网关地址是:192.168.30.1/24
Vlan 40的网关地址是:192.168.40.1/24
如下配置:
[Huawei]acl 3000 配置acl 3000
[Huawei-acl-adv-3000]rule 10 deny ip destination 192.168.40.0 0.0.0.255
[Huawei-acl-adv-3000]rule 20 deny ip destination 192.168.30.0 0.0.0.255
[Huawei-acl-adv-3000]rule 30 permit ip
[Huawei-acl-adv-3000]di this
#
acl number 3000
rule 10 deny ip destination 192.168.40.0 0.0.0.255
rule 20 deny ip destination 192.168.30.0 0.0.0.255
#
return
[Huawei-acl-adv-3000]quit
[Huawei]traffic classifier cl1 配置流量过滤器
[Huawei-classifier-cl1]if-match acl 3000
[Huawei-classifier-cl1]quit
[Huawei]traffic behavior be1 配置流行为操作
[Huawei-behavior-be1]permit
[Huawei-behavior-be1]quit
[Huawei]traf
[Huawei]traffic po
[Huawei]traffic policy po1 将过滤器与行为器组成流量策略
[Huawei-trafficpolicy-po1]classifier cl1 behavior be1
[Huawei-trafficpolicy-po1]quit
[Huawei]vlan 48 将策略应用到vlan的入方向
[Huawei-vlan48]traffic-policy po1 ?
inbound Assign policy to the inbound of an interface
outbound Assign policy to the outbound of an interface
[Huawei-vlan48]traffic-policy po1 inbound
[Huawei-vlan48]quit
源自:https://forum.huawei.com/enterprise/zh/huawei/m/ViewThread.html?tid=336379&lang=zh&container=browser&navBar=1&isOpenAttach=1