Industrial Managed
Ethernet Switch – EH9711
User Manual
Page
90
of
223
Label
Description
Factory
Default
Bridge Priority
Controls the bridge priority. Lower numeric values have better priority. The bridge
priority plus the MSTI instance number, concatenated with the 6-byte MAC address of
the switch forms a
Bridge Identifier
.
For
MSTP
operation, this is the priority of the CIST. Otherwise, this is the priority of
the STP/RSTP bridge.
32768
Hello Time
The interval between sending STP BPDU's. Valid values are in the range 1 to 10
seconds, default is 2 seconds.
Note: Changing this parameter from the default value is not recommended, and may
have adverse effects on your network.
2
Forward Delay
The delay used by STP Bridges to transit Root and Designated Ports to Forwarding
(used in STP compatible mode). Valid values are in the range 4 to 30 seconds.
15
Max Age
The maximum age of the information transmitted by the Bridge when it is the Root
Bridge. Valid values are in the range 6 to 40 seconds,
and
MaxAge must be <=
(FwdDelay-1)*2.
20
Maximum Hop
Count
This defines the initial value of remaining Hops for MSTI information generated at the
boundary of an MSTI region. It defines how many bridges a root bridge can distribute
its BPDU information to. Valid values are in the range 6 to 40 hops.
20
Transmit Hold
Count
The number of BPDU's a bridge port can send per second. When exceeded,
transmission of the next BPDU will be delayed. Valid values are in the range 1 to 10
BPDU's per second.
6
Advanced Settings
Edge Port
BPDU Filtering
Control whether a port explicitly
configured as Edge will transmit and receive BPDUs.
Unclicked
Edge Port
BPDU Guard
Control whether a port explicitly configured as Edge will disable itself upon reception
of a BPDU. The port will enter the
error-disabled
state,
and will be removed from the
active topology.
Unclicked
Port Error
Recovery
Control whether a port in the error-disabled state automatically will be enabled after a
certain time. If recovery is not enabled, ports have to be disabled and re-enabled for
normal STP operation. The condition is also cleared by a system reboot.
Unclicked
Port Error
Recovery
Timeout
The time to pass before a port in the error-disabled state can be enabled. Valid values
are between 30 and 86400 seconds (24 hours).
Null
Click
Save
button to save changes. Click
Reset
button to undo any changes made locally and revert to previously saved
values.
2.7.2
MSTI Mapping
MSTI Mapping
webpage is shown in Figure 2.74. This page allows the user to inspect and/or change the current STP MSTI
bridge VLAN Mapping configurations. The
MSTI Configuration
consists of
Configuration Identification
part
and MSTI
Mapping
part. Table 2.61 summarizes the description of parameters under MSTI Configuration.