Alcatel Carrier Internetworking Solutions Switch/Router ユーザーズマニュアル
Non-Mobile Groups and AutoTracker VLANs
Page 19-16
Spanning Tree and Non-Mobile Groups
Each Group uses one Spanning Tree for bridging. The OmniS/R supports both 802.1d and
IBM
Spanning Tree protocols. The Spanning Tree state for the port is Forwarding. Ports that
are in Blocked state, or in another non-Forwarding state, will not receive frames from the
router port. The figure below illustrates this concept.
router port. The figure below illustrates this concept.
Spanning Tree State and Routed Frames
OmniS/R
12345678
123456
Group 2
Ports 1 and 2
Server
Port 1: Forwarding
State
VLAN
1
(default
VLAN
#1)
Virtual Router
Workstation
Port 2: Blocked
State
VLAN
2
Routed frames not
received because attached
port is in Blocking state.
Routed frames received
because attached port
is in Forwarding state.