Figure 6-9 Rpr Ring; Table 6-2 Functions Of Ethernet Boards Supporting Rpr - Huawei OptiX OSN 7500 Technical Manual

OptiX OSN 7500
Technical Manual - System Description
protection for each other.

Figure 6-9 RPR ring

1.
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

Feature
Interface
Service frame format
JUMBO frame
Max. uplink bandwidth
RPR bandwidth
Ethernet virtual private
line (EVPL)
Ethernet virtual private
LAN (EVPLAN)
MPLS
VLAN
Outer ring data
Outer ring control
Node 2
2.5 Gbit/s RPR
Basic Functions
Board
Huawei Technologies Proprietary
Node 1
Inner ring control
Inner ring data
Node 3
EMR0
1xGE+12xFE
MPLS
Supported, 9600 bytes
2.5 Gbit/s
VC-3, VC-3-2v, VC-4,
VC-4-Xv (X≤16)
Supported
Supported
Supporting MPLS frame format, constructing EVPL service
and EVPLAN service
4k
6-10
6 Data Features
Node 4
EGR2
2xGE
MPLS
Supported, 9600 bytes
2.5 Gbit/s
VC-3, VC-3-2v, VC-4,
VC-4-Xv (X≤16)
Supported
Supported
4k