System information

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5 Data Features
5.1 Layer 2 Functions
5.1.1 Bridging LAN and WLAN
The Ericsson W3x supports bridging/switching traffic between the LAN and
WLAN interfaces.
5.1.2 WLAN Whitelist
The Ericsson W3x supports WLAN whitelist, also known as “MAC
Association Control” or “MAC Access List”. Up to 20 WLAN MAC
addresses can be added to the list and the use of the whitelist is possible to
enable/disable.
5.2 Internet Protocol Services
The Internet Services in the Ericsson W3x is based on the Internet Protocol
version 4 (IPv4).
5.2.1 IP Forwarding
The Ericsson W3x supports IP forwarding and employs ingress traffic
filtering on both the LAN and the WAN interfaces.
5.2.2 Static Routing
The Ericsson W3x supports destination based static routing. Static routes
can be added to the routing table to ensure packets are forwarded to their
correct destination.
5.2.3 DNS
The Ericsson W3x includes a DNS proxy server which responds to DNS
requests from the local LAN/WLAN. It contains a database of local host
names and addresses supplied by client DHCP requests.
In addition it also caches requests to remote DNS servers.
5.2.4 Dynamic DNS
The Ericsson W3x supports dynamic DNS (A-records).
5.2.5 DHCP Server
The Ericsson W3x includes a DHCP server for LAN/WLAN interfaces.
The DHCP server maintains a pool of IP addresses and distributes them to
LAN/WLAN clients whenever they are switched on. It also puts the
hostname, supplied by the client DHCP request, in the local DNS proxy.
5.2.6 DHCP Relay
The Ericsson W3x supports DHCP relay. As a DHCP relay agent, the
router forwards requests for IP addresses from LAN/WLAN clients to a