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AT-S63 Management Software Menus User’s Guide
Section V: Spanning Tree Protocols 431
2. From the Spanning Tree Configuration menu, type 3 to select
Configure Active Protocol. The RSTP menu is shown in Figure 157.
Figure 157. RSTP Menu
The bridge hello time, bridge forwarding, and bridge max age
parameters will have two values if RSTP is enabled on the switch (for
example, Bridge Forwarding..15/15). The first number is the configured
value on the switch for the parameter and the second is the value the
switch obtained from the root bridge and is currently using for the
parameter. The switch displays only the configured values for these
parameters if spanning tree is not activated on the switch.
3. Adjust the following parameters as necessary.
1 - Force Version
This selection determines whether the bridge operates with RSTP or in
an STP-compatible mode. If you select RSTP, the bridge operates all
ports in RSTP, except for those ports that receive STP BPDU packets.
If you select Force STP Compatible, the bridge operates in RSTP,
using the RSTP parameter settings, but it sends only STP BPDU
packets out the ports.
2 - Bridge Priority
The priority number for the bridge. This number is used in determining
the root bridge for RSTP. The bridge with the lowest priority number is
selected as the root bridge. If two or more bridges have the same
priority value, the bridge with the numerically lowest MAC address
becomes the root bridge. When a root bridge goes off-line, the bridge
with the next priority number automatically takes over as the root
bridge. This parameter can be from 0 (zero) to 61,440 in increments of
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RSTP Menu
1 - Force Version .......... RSTP
2 - Bridge Priority ........ 32768 (In multiples of 4096: 8)
3 - Bridge Hello Time ...... 2/2 (Configured/Actual)
4 - Bridge Forwarding ...... 15/15 (Configured/Actual)
5 - Bridge Max Age ......... 20/20 (Configured/Actual)
6 - Bridge Identifier ...... 32768/00:21:46:A7:B4:11
7 - Root Bridge ............ 00:21:46:A7:B4:11
8 - Root Priority .......... 32768
9 - Root Path Cost ......... 0
P - RSTP Port Parameters
D - Reset RSTP to Defaults
R - Return to Previous Menu
Enter your selection?