August 2017
Beginner
254 pages
4h 52m
English
Content preview from Learning VMware NSX - Second Edition
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Distributed firewalls
NSX provides L2-L4 stateful firewall services by means of a distributed firewall that runs in the ESXi hypervisor kernel. Because the firewall is a function of the ESXi kernel it provides massive throughput and performs at near line rate. When the ESXi host is initially prepared by NSX, the distributed firewall service is installed in the kernel by deploying the kernel VIB—VMware internetworking service insertion platform (VSIP). VSIP is responsible for monitoring and enforcing security policies on all the traffic flowing through the data plane. The distributed firewall (DFW) throughput and performance scales horizontally as more ESXi hosts are added.
DFW instances are associated to each vNIC and every vNIC requires ...
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