Huawei OptiX OSN 7500 - Figure 6-9 RPR Ring; Table 6-2 Functions of Ethernet Boards Supporting RPR

OptiX OSN 7500
Technical Manual - System Description 6 Data Features
Huawei Technologies Proprietary
6-10
protection for each other.
Node 1
Outer ring control
Node 2
Node 3
Node 4
2.5 Gbit/s RPR
Outer ring data
Inner ring data
Inner ring control
Figure 6-9 RPR ring
1. Basic Functions
The EMR0 and EGR2 boards of the OptiX OSN 7500 support the resilient packet ring
defined by the IEEE 802.17 standard. Table 6-2 lists their functions.
Table 6-2 Functions of Ethernet boards supporting RPR
Board
Feature
EMR0 EGR2
Interface 1xGE+12xFE 2xGE
Service frame format MPLS MPLS
JUMBO frame Supported, 9600 bytes Supported, 9600 bytes
Max. uplink bandwidth 2.5 Gbit/s 2.5 Gbit/s
RPR bandwidth VC-3, VC-3-2v, VC-4,
VC-4-Xv (X≤16)
VC-3, VC-3-2v, VC-4,
VC-4-Xv (X≤16)
Ethernet virtual private
line (EVPL)
Supported Supported
Ethernet virtual private
LAN (EVPLAN)
Supported Supported
MPLS Supporting MPLS frame format, constructing EVPL service
and EVPLAN service
VLAN 4k 4k