Nortel-networks NB5PLUS4/W Instrukcja Użytkownika Pobierz pdf (Strona 57)

YML754 Rev1 NB5Plus4/W User Guide

www.netcomm.com.au 57

To edit an existing Bridge Filter Rule, click the radio button adjacent to the Filter

Rule name. The Rule will then appear in the top half of the Bridge Filter control

screen where it can be edited. When editing is complete, click ‘Add’ to return the

Rule to the list of existing rules.

To delete Bridge Filter Rules, click on the ‘Delete’ tick box; multiple deletions can be

made by shift-clicking Delete tick boxes; Select All will select every rule. When the

desired selections are made, effect deletion by clicking on Apply.

To save changes, click on Apply.

Hidden Bridge Filter Rules

The Bridge lter table contains three hidden rules. These rules are built into the

Router to ensure the user does not become locked out by entering a rule which

prevents further access to the router.

The rst rule allows any and all ARP frames through the system.

The second rule allows all IPv4 frames with the destination Bridge address of the

bridge to go through.

The third rule allows all IPv4 frames with the source MAC address of the bridge to

go through.

TIP: To nd the MAC address of a Windows-based computer, at the DOS prompt

type: ipcong /all.

Advanced > Multicast

IGMP [=Internet Group Management Protocol] Multicast enables communication

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Nortel-networks NB5PLUS4/W Instrukcja Użytkownika Strona 57