| Basic Functions |
Process 12 FE and 1 GE services; support RPR feature processing. |
| Match with outgoing board |
- Supports 4 FE ports and 1 GE port by itself.
- Work with ETF8 to realize 12-channel electric port FE signal and 1-channel optical port GE signal access.
- With EFF8 to realize 8-channel optical port FE signal, 4-channel electrical port FE signal and 1-channel optical port GE signal access.
|
| Interface Specification |
- Support 10BASE-T/100BASE-TX with ETF8, the longest transmission distance is up to 100m.
- Support 100BASE-FX with EFF8, meet IEEE802.3u standard.
|
| Service Frame Format |
- Ethernet II, IEEE 802.3, IEEE 802.1q TAG.
- Supports 1518Byte～9600Byte message length setting, and supports Jumbo frames up to 9600Byte.
|
| Maximum uplink bandwidth |
2.5Gbit/s, support slot bandwidth adaptive. |
| Mapping Method |
VC-3, VC-3-Xv (X≤2), VC-4, VC-4-Xv (X≤8) Description:
The VC-3 virtual cascade on the SDH side supports only 1 to 2 VC-3 virtual cascades, and the VC-3 time slots are fixed in the first two VC-3 time slots of the first VC-4 of the first STM-4 frame of each VCTRUNK.
|
| Encapsulation Formats |
GFP-F, LAPS |
| EPL |
Supports PORT-based transparent transport. |
| EVPL |
- Supports EVPL service, service frame format can be Ethernet II, IEEE 802.3, IEEE 802.1q TAG and MPLS (Multi-protocol Label Switch) Martini format.
- EVPL service supports MPLS encapsulation and forwarding based on PORT and PORT+VLAN.
- EVPL service supports MPLS encapsulation and forwarding based on PORT+VLAN. 5 types of LSPs are supported: ingress LSP, egress LSP, transit LSP, RPR ingress LSP and RPR transit LSP. 512 LSPs can be supported.
|
| EVPLAN |
- Supports EVPLAN service, using stack VLAN encapsulation format.
- Supports source MAC address self-learning function. the size of the MAC address table of the N2 version of the veneer is 64k, and the size of the MAC address table of the N1 version of the veneer is 16k. it supports the setting and querying of the aging time of the MAC address.
- Maximum support 4K blacklists and 4K static MAC addresses, shared 4K.
- Supports static MAC routing configuration with a maximum of 4k.
- Supports data isolation based on VB (Virtual Bridge) + VLAN method.
- Supports creation, deletion and query of VBs. The maximum number of VBs supported by N2EMR0 is 16, and the maximum number of logical ports per VB is 32.
- Support EVPLAN service based on IEEE 802.1q Virtual Bridge.
|
| MPLS |
Supports MartinioE |
| Stack VLAN |
Supports |
| VLAN |
- Support 4096 VLAN tags, VLAN technology meets IEEE 802.1q/p standard. Supports adding, deleting and swapping of VLAN tags.
- Supports the replacement of VLANs in Ethernet signaling frames.
|
| Link Aggregation (LAG) |
Supports link aggregation of up to 8 FE ports. |
| RPR |
- Supports RPR and meets the IEEE 802.17 standard.
- Ring network supports maximum 255 nodes and destination node stripping.
- Supports fair algorithm with assignable weights.
- Supports five priority levels A0, A1, B_EIR, B_CIR and C.
- Provides topology auto-discovery function to reflect network status in real time. Supports Steering, Wrapping, Wrapping+Steering three protection modes, with signal failure time less than 50ms.
- Supports loop self-learning function to learn the correspondence between MAC address and node number.
- N2EMR0 supports manual configuration of the service's loop routing on the RPR ring network.
|
| Rapid Spanning Tree (RSTP) |
Supports the broadcast message suppression function and Rapid Spanning Tree Protocol, which conforms to the IEEE 802.1w standard. |
| Multicast (IGMP Snooping) |
Supports |
| QoS |
- Supports CAR with a granularity of 64kbit/s.
- N2EMR0 supports stream classification based on PORT, PORT+VLAN ID, PORT+VLAN ID + VLAN PRI.
|
| LCAS |
ITU-T G.7042, can realize dynamic increase, dynamic decrease and protection function of bandwidth. |
| Flow control function |
Supports port-based IEEE 802.3x flow control. |
| Echo Test Frames |
Supports the Echo function in RPR OAM to test the link pass-through status. |
| Loopback Function |
Supports internal loopback on Ethernet ports (PHY layer or MAC layer). |
| Protection Methods |
Supports the following Ethernet network level protection methods: |
| Ethernet Performance Monitoring |
Supports port-level Ethernet performance monitoring. |
| Alarms and Performance |
Provides rich alarms and performance events for easy device management and maintenance. |
| Soft Reset |
Supports soft reset, which interrupts the service. |
| Hard Reset |
Supports |
| Weighted Fair Algorithm |
Supports |
| Topology auto-discovery |
Support |
| Maximum number of nodes |
255 |
| Service Priority Levels |
Five levels: A0, A1, B_CIR, B_EIR and C. |
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