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802.11n Access Points - Software Management Guide 81
Tabulated below are the ‘Advanced Filter’ parameters and the method to configure the configurable parameters:
Click OK and COMMIT, to save the configured parameters.
To edit any protocol entry, click Edit. The Advanced Filters - Edit Entries screen appears.
Parameter Description
Proxy ARP Status Specifies the status of the Proxy ARP feature on the AP device. By functioning as a Proxy
ARP, the AP device helps:
– To reduce unnecessary flow of broadcast traffic to all the wireless clients, without
disturbing every wireless client on the network.
– To power save the wireless clients as they need not wake up for ARP broadcasts.
– The clients to learn the MAC addresses faster
When two clients connected to an AP device try to communicate, they send an ARP request
to get the MAC address of the destined client. AP device responds to this ARP request and
looks for the MAC address of the destined client in its Proxy ARP table. On finding the MAC
address, AP device forwards the MAC address to the client, without disturbing other wireless
clients on the network. Wireless client updates its ARP table with the MAC address and
forwards the ICMP packet to the destination via AP device.
By default, Proxy ARP Status is disabled. To enable this feature, select Enable from the
drop down menu.
Advanced Filter Table
Advance Filter Table contains a list of all protocols to which Advanced Filters are applied.
Protocol Name Specifies the name of the protocol to be filtered. Following are the five default protocols,
that support advanced filters:
– Deny-IPX-RIP
– Deny-IPX-SAP
– Deny-IPX-LSP
– Deny-IP-Broadcasts
– Deny-IP-Multicasts
Direction Specifies the direction of an IP Protocol traffic. The direction can be enabled either from
ethernet to wireless, wireless to ethernet or both ways.
Entry Status Specifies the status of the filter applied on the IP Protocol.
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