Bridge Node Default Parameters - Cabletron Systems Netlink FRX4000 User Manual

Bridge Node Default Parameters

Bridge Enabled
Bridge Hello Time
Bridge Max Age
Bridge Forward Delay
15-4
Table 15-1 Bridge Node Default Parameters
Parameter
Virtual LAN ID
Bridge Enabled
Bridge Hello Time
Bridge Max Age
Bridge Forward Delay
Bridge Aging Timer
Bridge Priority
Max Size Bridge Forwarding Table
IP Bridging Enabled
IPX Bridging Enabled
SRB ID
Default Ethernet Frame Type
To assure correct operation of the spanning tree algorithm, follow these rules:
1
a. Bridge Max Age
Delay minus 1 second}.
b.
Bridge Max Age
plus 1 second}.
Time
SRB ID must be
2
This parameter is irrelevant on a a Token Ring FRX4000.
3
enables bridging in the node, implementing the spanning tree algorithm.
If Bridging is disabled, all Bridge ports on the node will go into
state (described under
BPDUs (see
except terminated LLC2 traffic.
is the frequency with which all bridges on the network will send "Hello" messages
(also called BPDUs, or Bridge Protocol Data Units) to adjacent bridges (the next ones
in all bridge paths) when the local bridge is "Root." Note that a root bridge is the one
with the lowest ID (which contains its
network.
determines how long Hello messages will remain valid when the local bridge is root
(described under "
Bridge Hello Time
is the time the bridge will wait after entering
state, or after entering
Learning
intended to assure that the tree topology is stable before it is put into use.
The states are described under
Valid Values
n/a – accept the default
Y/N
1–10
6–40
4–30
10–10000000
0–65535
128–65535
Y/N
Y/N
(hex)
0–f
3
Type II, 802.3
must be less than or equal to twice the value of {
must be greater than or equal to twice the value of {
0 if the Bridge port is on an IBM Token Ring card.
"Bridge Status
below) will flow. No data will be bridged
Bridge Hello Time
Bridge Priority
").
Listening
state before entering
"Bridge Status Displays" on page 19-21.
Default Value
Y
1
(seconds)
2
1
(seconds)
20
1
(seconds)
15
(seconds)
300
32768
32768
N
N
2
0
Type II
Bridge Forward
Displays" on page 19-21). No
and MAC address) on the
state before entering
state This delay is
Forwarding
FRX4000/FRX6000 4.0 User Guide, Rev 01
Bridge Hello
Forwarding
Learning