华为防火墙：双机热备，上下行连接交换机（华为交换机双机热备实例）

华为防火墙：双机热备，上下行连接交换机（华为交换机双机热备实例）

网络需求：

两台FW的业务接口都工作在二层，上下行分别连接交换机。FW的上下行业务接口都加入到VLAN10和VLAN20中。现在希望两台FW以主备备份方式工作。正常情况下，流量通过FW_A转发。当FW_A出现故障时，流量通过FW_B转发，保证业务不中断。

1.完成网络基本配置。

[FW_A] vlan batch 10 20
[FW_A] interface GigabitEthernet 1/0/3
[FW_A-GigabitEthernet1/0/3] portswitch
[FW_A-GigabitEthernet1/0/3] port link-type trunk
[FW_A-GigabitEthernet1/0/3] port trunk allow-pass vlan 10 20
[FW_A-GigabitEthernet1/0/3] undo port trunk allow-pass vlan 1
[FW_A-GigabitEthernet1/0/3] quit 
[FW_A] interface GigabitEthernet 1/0/7
[FW_A-GigabitEthernet1/0/7] portswitch
[FW_A-GigabitEthernet1/0/7] port link-type trunk
[FW_A-GigabitEthernet1/0/7] port trunk allow-pass vlan 10 20
[FW_A-GigabitEthernet1/0/7] undo port trunk allow-pass vlan 1
[FW_A-GigabitEthernet1/0/7] quit

[FW_B] vlan batch 10 20
[FW_B] interface GigabitEthernet 1/0/3
[FW_B-GigabitEthernet1/0/3] portswitch
[FW_B-GigabitEthernet1/0/3] port link-type trunk
[FW_B-GigabitEthernet1/0/3] port trunk allow-pass vlan 10 20
[FW_B-GigabitEthernet1/0/3] undo port trunk allow-pass vlan 1
[FW_B-GigabitEthernet1/0/3] quit 
[FW_B] interface GigabitEthernet 1/0/7
[FW_B-GigabitEthernet1/0/7] portswitch
[FW_B-GigabitEthernet1/0/7] port link-type trunk
[FW_B-GigabitEthernet1/0/7] port trunk allow-pass vlan 10 20
[FW_B-GigabitEthernet1/0/7] undo port trunk allow-pass vlan 1
[FW_B-GigabitEthernet1/0/7] quit

[FW_A] interface GigabitEthernet 1/0/2
[FW_A-GigabitEthernet1/0/2] ip address 10.10.0.1 24
[FW_A-GigabitEthernet1/0/2] quit

[FW_B] interface GigabitEthernet 1/0/2
[FW_B-GigabitEthernet1/0/2] ip address 10.10.0.2 24
[FW_B-GigabitEthernet1/0/2] quit

[FW_A] firewall zone trust
[FW_A-zone-trust] add interface GigabitEthernet 1/0/7
[FW_A-zone-trust] quit 
[FW_A] firewall zone dmz
[FW_A-zone-dmz] add interface GigabitEthernet 1/0/2
[FW_A-zone-dmz] quit 
[FW_A] firewall zone untrust
[FW_A-zone-untrust] add interface GigabitEthernet 1/0/3
[FW_A-zone-untrust] quit

[FW_B] firewall zone trust
[FW_B-zone-trust] add interface GigabitEthernet 1/0/7
[FW_B-zone-trust] quit 
[FW_B] firewall zone dmz
[FW_B-zone-dmz] add interface GigabitEthernet 1/0/2
[FW_B-zone-dmz] quit 
[FW_B] firewall zone untrust
[FW_B-zone-untrust] add interface GigabitEthernet 1/0/3
[FW_B-zone-untrust] quit

2.配置双机热备功能。

[FW_A] hrp track vlan 10
[FW_A] hrp track vlan 20

[FW_B] hrp track vlan 10
[FW_B] hrp track vlan 20
[FW_B] hrp standby-device

[FW_A] hrp interface GigabitEthernet 1/0/2 remote 10.10.0.2 
[FW_A] hrp enable

[FW_B] hrp interface GigabitEthernet 1/0/2 remote 10.10.0.1 
[FW_B] hrp enable

3.在FW_A上配置安全策略。双机热备状态成功建立后，FW_A的安全策略配置会自动备份到FW_B上。

HRP_M[FW_A] security-policyHRP_M[FW_A-policy-security] rule name policy_sec1 HRP_M[FW_A-policy-security-rule-policy_sec1] source-zone trustHRP_M[FW_A-policy-security-rule-policy_sec1] destination-zone untrustHRP_M[FW_A-policy-security-rule-policy_sec1] action permit

4.在FW1上配置安全策略。双机热备状态成功建立后，FW1的安全策略配置会自动备份到FW2上。

# 配置安全策略，允许内网用户访问Internet。

HRP_M[FW_A] security-policyHRP_M[FW_A-policy-security] rule name policy_sec1 HRP_M[FW_A-policy-security-rule-policy_sec1] source-zone trustHRP_M[FW_A-policy-security-rule-policy_sec1] destination-zone untrustHRP_M[FW_A-policy-security-rule-policy_sec1] action permit

5.在FW1上配置NAT策略。双机热备状态成功建立后，FW1的NAT策略配置会自动备份到FW2上。

# 配置NAT策略，当内网用户访问Internet时，将源地址由10.3.0.0/16网段转换为地址池中的地址（1.1.1.2-1.1.1.5）。

HRP_M[FW1] nat address-group group1HRP_M[FW1-address-group-group1] section 0 1.1.1.2 1.1.1.5HRP_M[FW1-address-group-group1] quitHRP_M[FW1] nat-policyHRP_M[FW1-policy-nat] rule name policy_nat1 HRP_M[FW1-policy-nat-rule-policy_nat1] source-zone trustHRP_M[FW1-policy-nat-rule-policy_nat1] destination-zone untrustHRP_M[FW1-policy-nat-rule-policy_nat1] source-address 10.3.0.0 16 HRP_M[FW1-policy-nat-rule-policy_nat1] action source-nat address-group group1

完成效果

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