2018年11月30日 · F5 recommends that you ensure that you have configured floating self IP addresses on all VLANs from which you expect SNAT traffic to egress. Alternatively, you can mitigate the issue by using a SNAT pool with an IP address on the egress subnet VLAN as a member for the SNAT pool.

2023年6月7日 · snat automap uses the egress vlan interface ip. by establishing a snat pool, and attaching, you can control what IP this translates to. For the Client->F5->Server, consider these scenarios: Routed, client source address goes to the server. Routes necessary back through BIG-IP on servers or servers gw

未开启SNAT AutoMap. 服务器的默认网关是F5的internal self IP address (192.168.1.100). 改变服务器的默认网关到交换机(192.168.1.254) 访问www.xin.com，The page fails to load because the web server is now sending its responses to the external router, not the BIG-IP system. 未开启SNAT AutoMap F5的external和internal抓包

You can use the SNAT automap feature. The SNAT automap feature automatically selects one of the system’s self IP addresses (typically a floating self IP address of the egress VLAN), and maps it to the original IP address or addresses that you specify during SNAT creation.

One of the ways that you can set up all-active clustering of BIG-IP devices is through the use of SNAT Auto Map. This example includes an ECMP-enabled router on the BIG-IP external network and a load balancing pool on the internal network.

2016年5月17日 · 方案一：使用ISAPI筛选器获取访客真实IP。 1、下载插件F5XForwardedFor.dll： http://aliyuntool.oss.aliyuncs.com/F5XForwardedFor2008.zip。 2、根据自己的版本将x86\Release 或者x64\Release目录下的F5XForwardedFor.dll拷贝到某个目录，假设为C:\F5XForwardedFor\，确保对IIS进程对该目录有读取权限。 3、选择“ISAPI 扩展 和ISAPI筛选器”，点击下一步，进行安装。 5、填写筛选器的名称（没无特殊要求），选报DLL文件路径，点 …

2025年3月14日 · The automap option tells to BIG-IP to decide what source IP to use to reach the destination on network. With SNAT pool, you tell to BIG-IP what source IP list to use to reach destination on network. Since a IP origin have a port limit (~60k) to use, you set a SNAT pool with two and more to avoid that port exhaustion.

2017年6月2日 · "The SNAT automap feature automatically selects one of the systems self IP addresses (typically a floating self IP address of the egress VLAN), and maps it to the original IP address or addresses that you specify during SNAT creation.

2018年10月31日 · 本文介绍了在F5开启AutoMap模式下，如何让后端服务器（如IIS、Apache、Nginx、Tomcat）通过X-Forwarded-For获取客户端真实IP的解决方案，包括在IIS中使用ISAPI筛选器和模块，Apache、Nginx的配置修改，以及PHP中获取此值的方法。

2021年11月16日 · This article explains SNAT Automap Self IP address selection when the Virtual Server's Virtual Address and Self IP address are configured to a different Traffic Group. Environment BIG-IP