WESM zl Management and Configuration Guide WT.01.28 and greater

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Introduction
ProCurve Wireless Edge Services zl Module
■ Configure that VLAN on wired infrastructure devices. The devices should be
able to route traffic in and out of the VLAN.
■ Tag the Wireless Edge Services zl Module’s uplink port for the VLAN.
Figure 1-8 shows a wireless network that separates VLANs used on the wireless
network from VLANs used on the wired network. In this network, wired devices
route traffic from the wireless network.
Figure 1-7. Reserving VLANs for Wireless Stations—Wired Device Routes
On the other hand, you might want the Wireless Edge Services zl Module itself to
router, filter, and otherwise control traffic. In this case, follow this design:
■ Have the Wireless Edge Services zl Module map a WLAN to a VLAN reserved
for wireless stations. (Or set up dynamic VLAN assignments for wireless users.)
■ Terminate that VLAN on the module. In other words, do not tag the module’s
uplink port for the VLAN.
■ Enable routing on the module.
This design requires the Wireless Edge Services zl Module to take over many of the
functions otherwise performed by network servers and infrastructure devices. For
example, the module can act as the DHCP server for wireless stations, and it can
perform dynamic NAT, masquerading as the source for all wireless traffic.