核心
业务vlan 10 192.168.10.0/24
业务vlan 20 192.168.20.0/24
互联vlan 30 192.168.30.0/24
vlan30 互联防火墙
需求 ：
拒绝业务地址 192.168.20.2 去链接防火墙（禁止该地址上网），也就是拒绝去链接互联vlan 30
set firewall family ethernet-switching filter deny term 1 from ip-source-address 192.168.20.2/32
set firewall family ethernet-switching filter deny term 1 from ip-destination-address 192.168.30.100/32
set firewall family ethernet-switching filter deny term 1 then discard
set firewall family ethernet-switching filter deny term 2 then accept
set vlans vlan20 forwarding-options filter input deny
filter 名称deny 挂到业务vlan vlan20
set vlans vlan20 forwarding-options filter input denyjuniper 拒绝vlan 之间互通
原文：https://blog.51cto.com/adcit/2496453
