组网图形
组网需求
通过配置根据链路带宽负载分担,使流量按照带宽的比例分担到各链路上,保证带宽资源得到充分利用。
如图1所示,企业分别从ISP1和ISP2租用了一条链路,ISP1链路的带宽为100M,ISP2链路的带宽为50M。
配置思路
由于企业希望上网流量能够根据带宽比例进行分配,所以智能选路的方式设置为根据链路带宽负载分担。为了保证链路故障或过载时,FW可以使用其他链路转发流量,还需要配置健康检查功能和链路过载保护功能。
说明:
本例着重介绍智能选路相关的配置,其余配置如NAT请根据实际组网进行配置。
操作步骤
<FW> system-view [FW] healthcheck enable [FW] healthcheck name isp1_health [FW-healthcheck-isp1_health] destination 3.3.10.10 interface GigabitEthernet 1/0/1 protocol tcp-simple destination-port 10001 [FW-healthcheck-isp1_health] destination 3.3.10.11 interface GigabitEthernet 1/0/1 protocol tcp-simple destination-port 10002 [FW-healthcheck-isp1_health] quit [FW] healthcheck name isp2_health [FW-healthcheck-isp2_health] destination 9.9.20.20 interface GigabitEthernet 1/0/7 protocol tcp-simple destination-port 10003 [FW-healthcheck-isp2_health] destination 9.9.20.21 interface GigabitEthernet 1/0/7 protocol tcp-simple destination-port 10004 [FW-healthcheck-isp2_health] quit
[FW] interface GigabitEthernet 1/0/1 [FW-GigabitEthernet1/0/1] ip address 1.1.1.1 255.255.255.0 [FW-GigabitEthernet1/0/1] gateway 1.1.1.254 [FW-GigabitEthernet1/0/1] bandwidth ingress 50000 threshold 90 [FW-GigabitEthernet1/0/1] bandwidth egress 50000 threshold 90 [FW-GigabitEthernet1/0/1] healthcheck isp1_health [FW-GigabitEthernet1/0/1] quit [FW] interface GigabitEthernet 1/0/3 [FW-GigabitEthernet1/0/3] ip address 10.3.0.1 255.255.255.0 [FW-GigabitEthernet1/0/3] quit [FW] interface GigabitEthernet 1/0/7 [FW-GigabitEthernet1/0/7] ip address 2.2.2.2 255.255.255.0 [FW-GigabitEthernet1/0/7] gateway 2.2.2.254 [FW-GigabitEthernet1/0/7] bandwidth ingress 10000 threshold 90 [FW-GigabitEthernet1/0/7] bandwidth egress 10000 threshold 90 [FW-GigabitEthernet1/0/7] healthcheck isp2_health [FW-GigabitEthernet1/0/7] quit
[FW] multi-interface [FW-multi-inter] mode priority-of-userdefine [FW-multi-inter] standby-interface status down [FW-multi-inter] add interface GigabitEthernet1/0/1 priority 2 [FW-multi-inter] add interface GigabitEthernet1/0/7 [FW-multi-inter] quit
[FW] firewall zone trust [FW-zone-trust] add interface GigabitEthernet 1/0/3 [FW-zone-trust] quit [FW] firewall zone untrust [FW-zone-untrust] add interface GigabitEthernet 1/0/1 [FW-zone-untrust] add interface GigabitEthernet 1/0/7 [FW-zone-untrust] quit
[FW] security-policy [FW-policy-security] rule name policy_sec_local_untrust [FW-policy-security-rule-policy_sec_local_untrust] source-zone local [FW-policy-security-rule-policy_sec_local_untrust] destination-zone untrust [FW-policy-security-rule-policy_sec_local_untrust] destination-address 3.3.10.10 32 [FW-policy-security-rule-policy_sec_local_untrust] destination-address 3.3.10.11 32 [FW-policy-security-rule-policy_sec_local_untrust] destination-address 9.9.20.20 32 [FW-policy-security-rule-policy_sec_local_untrust] destination-address 9.9.20.21 32 [FW-policy-security-rule-policy_sec_local_untrust] service tcp [FW-policy-security-rule-policy_sec_local_untrust] action permit [FW-policy-security-rule-policy_sec_local_untrust] quit
[FW-policy-security] rule name policy_sec_trust_untrust [FW-policy-security-rule-policy_sec_trust_untrust] source-zone trust [FW-policy-security-rule-policy_sec_trust_untrust] destination-zone untrust [FW-policy-security-rule-policy_sec_trust_untrust] source-address 10.3.0.0 24 [FW-policy-security-rule-policy_sec_trust_untrust] action permit [FW-policy-security-rule-policy_sec_trust_untrust] quit [FW-policy-security] quit