Avaya Configuring Bridging Services Manual de usuario Pagina 40

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Configuring Bridging Services
1-14 114060 Rev. A
Figure 1-12. Inefficient Spanning Tree Topology
Filtering Frames
You use filters mainly for security reasons. They enable the bridge to relay or drop
a particular frame based on user-selectable fields within each of the four
encapsulation methods supported by the bridge. These encapsulation methods are
Ethernet
IEEE 802.2 LLC
IEEE 802.2 LLC with SNAP header
Novell proprietary
LAN D
LAN B LAN C
BR 3
BR 1
BR 4
BR 2
IF 2
IF 1
IF 5 IF 9
IF 7
IF 3
LAN A
IF 8
All path costs are equal.
----And---
-
BR 4 = priority 1
BR 3 = priority 2
BR 2 = priority 3
BR 1 = priority 4
Bridge 2/Interface 2 is blocked.
Bridge 3/Interface 7 is blocked.
Inefficient spanning
tree topology is created.
Interface (IF) number
denotes its priority.
Given:
Then:
Result:
BRG009A
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