Epsr Terms And Definitions - Allied Telesis SwitchBlade x3100 Series Manual

EPSR Terms and Definitions

vlan traffic is not blocked at the SP port and is allowed to flow through. This does not pose a problem, because
the control messages originate either at a master node or transit node but always terminate at the master node.
The ring network when stabilized collapses to what is shown in
= Physical Link
= Control VLAN (V_60)
= Data VLAN (V_80)
= data VLAN is blocked
over Physical Link 3
EPSR_Topology__non_UFO
When the master node detects a physical link break in the ring, it unblocks its SP port and allows the flow of
non-control traffic through EPSR domain. This mode continues until the master node determines that the break
in the ring has been restored; at which point, it goes back to its normal operating procedure.
4.6.3 EPSR Terms and Definitions
To implement EPSR, the user is required to configure the EPSR protocol to support the fault detection and
recovery in the network. Configuration data is as follows:
Hello Time
•
Software Reference for SwitchBlade x3100 Series Switches (Layer Two Switching)
1
0.2
V_80 V_60
B
1.1
2
PP
An EPSR Ring Topology (Standard VLAN)
FIGURE 4-9
Figure 4-9 below:
To / From Network
2.1
V_80
A
V_60
A D = Devices
1 = Links
4
Master
Node
V_60
C
V_80
Introduction
4
0.1
V_80
V_60
D
1.2
3
SP
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