配置流量根据链路带宽负载分担
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。
操作步骤
- 可选:开启健康检查功能,并为ISP1和ISP2链路分别新建一个健康检查。假设ISP1网络的目的地址网段为3.3.10.0/24,ISP2网络的目的地址网段为9.9.20.0/24。
<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
此处假设3.3.10.10、3.3.10.11和9.9.20.20、9.9.20.21分别为ISP1和ISP2网络中已知的设备地址。
如果健康检查配置完后,状态一直为down,请检查健康检查的配置。
对于V500R001C80之前的版本,需要在FW上配置对应的安全策略,允许FW向目的设备发送健康检查探测报文。对于V500R001C80及之后的版本,健康检查的探测报文不受安全策略控制,默认放行,无需配置相应安全策略。
- 配置接口的IP地址和网关地址,配置接口所在链路的带宽和过载保护阈值,并应用对应的健康检查。
[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 100000 threshold 95 [FW-GigabitEthernet1/0/1] bandwidth egress 100000 threshold 95 [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 50000 threshold 90 [FW-GigabitEthernet1/0/7] bandwidth egress 50000 threshold 90 [FW-GigabitEthernet1/0/7] healthcheck isp2_health [FW-GigabitEthernet1/0/7] quit
- 配置全局选路策略,流量根据链路带宽负载分担。
[FW] multi-interface [FW-multi-inter] mode proportion-of-bandwidth [FW-multi-inter] add interface GigabitEthernet 1/0/1 [FW-multi-inter] add interface GigabitEthernet 1/0/7 [FW-multi-inter] quit
- 将接口加入安全区域。
[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
- 配置Local到Untrust区域的安全策略,允许FW向目的设备发送相应的健康检查探测报文。
对于V500R001C80之前的版本,需要在FW上配置对应的安全策略,允许FW向目的设备发送健康检查探测报文。对于V500R001C80及之后的版本,健康检查的探测报文不受安全策略控制,默认放行,无需配置相应安全策略。
[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
- 配置Trust到Untrust区域的安全策略,允许企业内网用户访问外网资源。假设内部用户网段为10.3.0.0/24。
[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
配置脚本
# healthcheck enable healthcheck name isp1_health destination 3.3.10.10 interface GigabitEthernet1/0/1 protocol tcp-simple destination-port 10001 destination 3.3.10.11 interface GigabitEthernet1/0/1 protocol tcp-simple destination-port 10002 healthcheck name isp2_health destination 9.9.20.20 interface GigabitEthernet1/0/7 protocol tcp-simple destination-port 10003 destination 9.9.20.21 interface GigabitEthernet1/0/7 protocol tcp-simple destination-port 10004 # interface GigabitEthernet1/0/1 ip address 1.1.1.1 255.255.255.0 gateway 1.1.1.254 bandwidth ingress 100000 threshold 95 bandwidth egress 100000 threshold 95 healthcheck isp1_health # interface GigabitEthernet1/0/3 ip address 10.3.0.1 255.255.255.0 # interface GigabitEthernet1/0/7 ip address 2.2.2.2 255.255.255.0 gateway 2.2.2.254 bandwidth ingress 50000 threshold 90 bandwidth egress 50000 threshold 90 healthcheck isp2_health # firewall zone trust set priority 85 add interface GigabitEthernet1/0/3 # firewall zone untrust set priority 5 add interface GigabitEthernet1/0/1 add interface GigabitEthernet1/0/7 # multi-interface mode proportion-of-bandwidth add interface GigabitEthernet1/0/1 add interface GigabitEthernet1/0/7 # security-policy rule name policy_sec_local_untrust source-zone local destination-zone untrust destination-address 3.3.10.10 mask 255.255.255.255 destination-address 3.3.10.11 mask 255.255.255.255 destination-address 9.9.20.20 mask 255.255.255.255 destination-address 9.9.20.21 mask 255.255.255.255 service tcp action permit rule name policy_sec_trust_untrust source-zone trust destination-zone untrust source-address 10.3.0.0 mask 255.255.255.0 action permit # return
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