H3C Technologies H3C SecPath F1000-E - Manual (Page 17)

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Figure 12 Network diagram
SecBlade firewall module application
SecBlade firewall modules work with the main network devices (such as
S5800/S7500E/S9500E/S12500 switches and SR6600/SR8800 routers). Deployed at the egress of
a network, the firewall modules can protect against external attacks and implement security access
control of the internal network by using security zones. You can meet the development of the network
simply by installing more firewall modules to a switch or router. Deploying two switches/routers with the
firewall modules in the network can improve service availability.