| Basic functions | Receives/Transmits 2x10 GE Ethernet services. |
| Port types | Supports 10GBASE-LR and 10GBASE-LW Ethernet optical ports, which
comply with IEEE 802.3ae. |
| Functions when being used with an interface board | Provides ports on the front panel. |
| Port characteristics | Working mode | 10GE full-duplex in both WAN mode and LAN mode |
| Traffic control mode at ports | Auto-negotiation mode | Not supported |
| Non-autonegotiation mode | Supported |
| Query/Setting of port status | Supported |
| Query of port types | Supported |
| Setting of optical power thresholds | Not supported |
| Pluggable optical module | XFP optical modules supported on N1EAS2 boards SFP+ optical modules supported on N3EAS2 boards N3EAS2 supports one-fiber bidirectional optical modules. |
| Service categories | Ethernet private line (EPL) service | Supports PORT-based transparent transmission. |
| Ethernet virtual private line (EVPL) service | - Supports PORT-shared EVPL services.
- Supports VCTRUNK-shared EVPL services.
- The services are isolated by VLAN tags.
- The services are isolated by MPLS tags (supported on N3EAS2
boards).
- The services are isolated by QinQ tags.
- Supports a maximum of 2048 links in the case of the N1EAS2;
supports a maximum of 4096 links in the case of the N3EAS2.
|
| Ethernet private LAN (EPLAN) service | - Supports a maximum of one virtual bridge (VB) on N1EAS2 boards. The
maximum number of logical ports for each VB is 26.
- Supports a maximum of one VB on N3EAS2 boards. The maximum number
of logical ports for each VB is 19 (slot bandwidth: 10G bit/s) or
36 (slot bandwidth: 20G bit/s)
- Supports the blacklist that can contain 512 records and also the
static media access control (MAC) address table that can contain
512 records.
- Supports the self-learning of the source MAC address. The capacity
of the MAC address table is 16K. The aging time of the MAC address
can be set and queried.
- Supports the configuration of static MAC routes.
- Supports the query of the aging time of an MAC address.
- Supports the query of learned MAC addresses by VB+VLAN or VB+LP.
- Supports EPLAN services that are based on IEEE 802.1d MAC bridges.
|
| Ethernet virtual private LAN (EVPLAN) service | - Supports EVPLAN services that use stack VLAN encapsulation.
- Supports data isolation based on VB+VLAN.
- Supports a maximum of one virtual bridge (VB) on N1EAS2 boards. The
maximum number of logical ports for each VB is 26.
- Supports a maximum of one VB on N3EAS2 boards. The maximum number
of logical ports for each VB is 19 (slot bandwidth: 10G bit/s) or
36 (slot bandwidth: 20G bit/s)
- Supports EVPLAN services based on IEEE 802.1q virtual bridges and
IEEE 802.1ad provider bridges.
|
| Service specifications | Formats of Ethernet data frames | IEEE 802.3 | Supported |
| Ethernet II | Supported |
| IEEE 802.1 q/p | Supported |
| Frame length range | - Supports the setting of the frame length to a value ranging from
1518 bytes to 9600 bytes.
- Supports a jumbo frame with a maximum length of 9600 bytes.
|
| Concatenation granularities | The following adjacent concatenation granularities are supported on
N1EAS2 boards: VC-4-Xv (X≤8), VC-3-Xv (X≤24), and VC-4-4c. The following adjacent concatenation granularities are supported on
N3EAS2 boards: VC-4-Xv (X≤64) and VC-4-4c/16c/64c. NOTE:For N3EAS2 boards, VCTRUNK1 and VCTRUNK18 support VC-4-16c/64c
adjacent concatenation. Other VCTRUNKs only support VC-4-4c
adjacent concatenation. N3EAS2 boards support adjacent concatenation only for bidirectional
services. |
| Encapsulation formats | HDLC | Not supported |
| LAPS | Not supported |
| GFP-F | Supported |
| MPLS technology | Not supported on N1EAS2 boards Tunnel-based EVPL (transit) supported on N3EAS2 boards |
| VLAN technology | Supports a total number of 4094 VLANs, which comply with IEEE
802.1q/p. |
| Maximum uplink bandwidth | An N1EAS2 board supports a maximum of 10 Gbit/s upstream bandwidth
and can adapt to the bandwidth of its slot. An N3EAS2 board supports a maximum of 20 Gbit/s upstream bandwidth
and can adapt to the bandwidth of its slot. |
| Maximum bound bandwidth | N1EAS2: 64xVC-4 or 192xVC-3 N3EAS2: 128xVC-4 |
| VCTRUNK specifications | An N1EAS2 board supports a maximum of 24 VCTRUNKs. Configuration guidelines are as follows: - Each VC channel can be bound only to one VCTRUNK.
- A VCTRUNK can be bound with a maximum of 8 VC-4s or a maximum of 24
VC-3s.
- A VCTRUNK can be bound only with VC-4 paths or VC-3 paths.
Different VCTRUNKs, however, can be bound with paths at different
levels.
- N1EAS2 boards support VC-4-4c adjacent concatenation and VC-3/VC-4
virtual concatenation.
- Only VCTRUNKs numbered 1-4 support the Jumbo frame with a length of
9600 bytes. The other VCG ports do not support the Jumbo frame.
The maximum number of VCTRUNKs supported by the N3EAS2 board is as
follows: - If the slot bandwidth is 10 Gbit/s, the maximum number is 17
(VCTRUNK1 to VCTRUNK17).
- If the slot bandwidth is 20 Gbit/s, the maximum number is 34
(VCTRUNK1 to VCTRUNK34).
Configuration guidelines are as follows: - Each VC channel can be bound only to one VCTRUNK.
- VCTRUNK 1 and VCTRUNK 18 can be bound with a maximum of 64 VC-4s,
and other VCTRUNKs can be bound with a maximum of 8 VC-4s.
- VCTRUNK 1 to VCTRUNK 17 can be bound only with VC-4-1 to VC-4-64,
and VCTRUNK 18 to VCTRUNK 34 can be bound only with VC-4-65 to
VC-4-128.
|
| Protection schemes | TPS | Not supported |
| BPS | Not supported |
| PPS | Not supported |
| DLAG | Supported |
| LAG | Supports manual link aggregation and static link aggregation. Supports the load sharing mode and load non-sharing mode. Complies with IEEE 802.3ad and IEEE 802.1AX. |
| LCAS | Supports LCAS, which dynamically increases or decreases the
bandwidth and protects the bandwidth in compliance with ITU-T
G.7042. |
| LPT | Supports P2P LPT and P2MP LPT in compliance with Huawei proprietary
protocol. |
| STP/RSTP | Supports the broadcast packet suppression function and RSTP, which
comply with IEEE 802.1w. |
| MSTP | Not supported on N1EAS2 boards Supported on N3EAS2 boards |
| Ethernet ring protection switching (ERPS) | Not supported on N1EAS2 boards Supported on N3EAS2 boards NOTE:ERPS does not support the following bridges: - IEEE 802.1d bridge
- IEEE 802.1ad bridge with SVL/ingress filter disabled
|
| Synchronization | Synchronous Ethernet | Not supported |
| IEEE 1588v2 | Not supported |
| Maintenance features | ETH OAM | - Supports CC, LB tests, and LT tests in compliance with IEEE
802.1ag, and OAM ping in compliance with Huawei proprietary
protocol.
- Supports OAM auto-discovery, remote loopbacks, fault detection, and
link performance detection in compliance with IEEE 802.3ah, and
selfloop detection in compliance with Huawei proprietary protocol
on N3EAS2 boards.
|
| Test Frame | Supports test frames in ETH and GFP bearer modes. |
| Response to ping | Supported |
| Port Mirroring | Supports ingress and egress mirroring. |
| Loopback capability | PHY layer at Ethernet ports | Supports inloops. |
| MAC layer at Ethernet ports | Supports inloops. |
| VC-4 level | Not supported |
| VC-3 level | Not supported |
| VC-12 level | Not supported |
| RMON | - Supports Ethernet performance monitoring at the port level.
- Supports the query of the rate of a port.
- Reports an alarm when the volume of traffic at a port exceeds the
threshold (this function is available on N3EAS2 boards).
|
| Warm resets | Supported (Warm resets do not affect services.) |
| Cold resets | Supported |
| Alarms and performance events | Reports various alarms and performance events, which facilitates
the management and maintenance of the equipment. |
| QoS | - Supports traffic classification
- N1EAS2: based on PORT, PORT+VLAN, PORT+SVLAN.
- N3EAS2: based on PORT, PORT+VLAN, PORT+VLAN+VLAN PRI, PORT+SVLAN,
PORT+SVLAN+CVLAN, MPLS labels, or MPLS label+EXP value.
- Supports the CAR. The granularity is 64 kbit/s.
- Each port supports eight priority queues.
- Supports shaping based on ports or queues.
|
| IGMP Snooping | Protocol enabling | Supported |
| Port aging time | Supported |
| Fast leave | Not supported |
| Discarding of unknown broadcast packets | Not supported |
| Static broadcast entry | Supported |
| Hub/Spoke | Supported |
| Traffic control | Supports the port-based traffic control function that complies with
IEEE 802.3x.NOTE:Only EPL services support port-based traffic control. |
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