Hitachi GR2000 Series Network Router User Manual


 
IPX/Bridge Information
GR2K-GA-0014 2-39
Ver. 07-02
2.2.5 spanning-tree
Configure protocol parameters for spanning-tree protocol. However, if there is no
interface to run spanning tree, there is no need to configure these parameters.
Input Format
Setting information
Modifying information
Displaying information
Deleting information
Parameters
Description: This parameter configures 16 high bits of bridge ID (64 bits).
The 48 low bits of bridge ID are for the MAC address of the RM
Ethernetconnectingport.ThebridgeIDisusedtoidentifyroot
bridge in the spanning-tree algorithm. The smaller the priority
value, the higher the priority, and the bridge set with the
smallest value is the root bridge.
Default:
32768
Range of value: 0-65535
Description: Configures transmission interval, in seconds, of BPDU
transmitted by bridge.
Default:
2 (seconds)
Range of value:
1-10
Description: Specifies the maximum time, in seconds, to keep the bridge
protocol information received. The following conditions must
be satisfied:
max_age_time>=(hello_time+1)X2
Default: 18 (seconds)
range of value:
6-40
Description: Specifies time, in seconds, needed for transition of bridge
interface states. The following conditions must be satisfied:
(forward_delay_time - 1) X 2 >= max_age_time