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Enter the MAC source address in this field and leave the MAC source (high)
field blank if you are filtering a single MAC source address.
Enter the lowest MAC source address in this field and enter the highest MAC
source address in the MAC source (high) field if you are filtering a range of
MAC source addresses.
Leave this field blank and enter the name of the MAC Address list in the MAC
source (low) field if you are establishing a range of MAC source addresses
with a filter list.
For more information, refer to “MAC source (high).” To learn how to create a
MAC Address list, refer to “MAC Address (low)” and “MAC Address (high)”.
Max Age
Sets the maximum length of time the bridge stores configuration information.
The bridge declares a line down if it does not receive a BPDU for Max Age
seconds. After declaring the line down, the bridge sets the port state to Listen. If
you have not enabled the spanning tree algorithm, skip this field. If you have
enabled the spanning tree algorithm, consult table 6-1 ‘‘Suggested Spanning Tree
Parameter Values’’ (page 6-19) to determine an appropriate value for Max Age.
Default: 20 seconds
Range: 6 to 40
Max Hops
Limits the number of hops an ARE frame traverses through the hop route before
it is dropped by the receiving circuit group. For example, if a circuit group is
configured for Max Hops of 3, then ARE frames arriving on that circuit group
with three or more hops are dropped instead of forwarded.
Default: 7
Range: 1 to 7
Offset
Positions the filtered bit pattern within either the MAC-level or data-link-level
header. The first (most significant) bit of either the MAC-level or data-link-level
header is referenced as bit 0.
Options
Enter the starting location of the filtered bit pattern with reference to the most
significant bit of the header. For example, an Ethernet multicast address is
designated by setting the lowest-order bit in the highest-order byte of the
Ethernet address. Consequently, the following are valid Ethernet multicast
addresses: 010000009999, 0F0000009999. To filter multicast addresses, you would
examine the multicast bit by entering 7 at Offset.
Bridge Parameters
Parameters and Options
6-16