| Basic functions | Processes 16xFE services. |
| Port types | - Supports 10BASE-T/100BASE-TX signals when working with an ETF8
board.
- Supports 100BASE-FX/LX signals when working with an EFF8 board. The
optical ports comply with IEEE 802.3u.
|
| Functions when being used with an interface board | - Provides 16 electrical ports to receive/transmit FE signals when
working with an ETF8 board.
- Provides 16 optical ports to receive/transmit FE signals when
working with an EFF8 board.
- Provides 8 electrical ports to receive/transmit FE signals when
working with an ETF8 board, and provides 8 optical ports to
receive/transmit FE signals when working with an EFF8 board.
- Provides the TPS protection for FE signals received/transmitted
through 16 electrical ports when working with an ETS8 board and a
TSB8 board.
|
| Port characteristics | Working modes | - FE electrical port: auto-negotiation, 100M full-duplex, 100M
half-duplex, 10M full-duplex, and 10M half-duplex
- FE optical port: 100M full-duplex
|
| Traffic control mode at ports | Auto-negotiation mode | Supported (Not supported by FE optical ports) |
| 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 | Not supported |
| Service categories | EPL service | Supports PORT-based transparent transmission. |
| 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.
- Supports a maximum of 4096 links.
|
| EPLAN service | - Supports the blacklist that can contain 2K records and also the
static MAC address table that can contain 2K records. The sum of
the number of records in the blacklist and the number of addresses
in the static MAC address table must not exceed 2K. The blacklist
function supports verification of destination MAC addresses only.
- 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.
- N1EFS0, N2EFS0, and N5EFS0 boards support the query of dynamic MAC
addresses.
- Supports the query of dynamic MAC addresses.
- The maximum number of supported VBs is 16. The maximum number of
logical ports for each VB is 48.
- Queries the number of actually learned MAC addresses based on
VB+VLAN or VB+LP.
- Supports the EPLAN services that are based on the IEEE 802.1d MAC
bridge.
|
| EVPLAN service | - Supports data isolation based on VB+VLAN.
- The maximum number of supported VBs is 16. The maximum number of
logical ports for each VB is 48.
- Supports the setting of a maximum of 4096 VLAN services.
- Supports the EVPLAN services that are based on the IEEE 802.1q
virtual bridge and IEEE 802.1ad provider bridge.
|
| 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.
|
| Bound bandwidth | 48xVC-3, or 252xVC-12 + 36xVC-3 |
| Concatenation granularities | Supports VC-12, VC-3, VC-12-Xv (X ≤ 63), and VC-3-Xv (X ≤ 12)
granularities. |
| Encapsulation formats | HDLC | Not supported |
| LAPS | Not supported |
| GFP-F | Supported |
| MPLS technology | Supports the MPLS. |
| VLAN technology | Supports a total number of 4094 VLANs, which comply with IEEE
802.1q/p. |
| Maximum uplink bandwidth | The maximum uplink bandwidth is 2.5 Gbit/s. An EFS0A board can adapt to the bandwidth of its slot. |
| Maximum bound bandwidth | 48xVC-3, or 252xVC-12 + 36xVC-3 |
| VCTRUNK specifications | Number of supported VCTRUNKs: 32 Configuration principles are as follows: - Each VC channel can be bound only to one VCTRUNK.
- VCTRUNK1 to VCTRUNK16 must be bound when a board is housed in a
slot providing 1.25G bit/s bandwidth.
- A VCTRUNK can be bound with the VC-12 path or VC-3 path at one
time. A VCTRUNK should not be bound with VC-12 and VC-3 paths at
the same time.
- VC-4s numbered 4, 8, 12, and 16 support the binding of VC-3 and
VC-12 paths. The other VC-4s support the binding of VC-3 paths
only.
- A VCTRUNK can be bound with a maximum of 12 VC-3s or 63 VC-12s.
|
| Protection schemes | TPS | Supported |
| BPS | Not supported |
| PPS | Not supported |
| DLAG | Not supported |
| LAG | Supports manual link aggregation and the load sharing mode that
comply 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 proprietary
protocol. |
| STP/RSTP | Supports the broadcast packet suppression function and RSTP, which
comply with IEEE 802.1w. |
| MSTP | Not supported |
| 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 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 proprietary protocol.
|
| Test Frame | Supports test frames in ETH and GFP bearer modes. |
| Response to ping | Not supported |
| Port Mirroring | Supports ingress 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 RMON of the Ethernet performance of Ethernet ports. |
| 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 the CAR. The granularity is 64 kbit/s.
- Supports the flow classification based on PORT, PORT+VLAN,
PORT+SVLAN, or PORT+VLAN+VLAN PRI.
|
| IGMP Snooping | Protocol enabling | Supported |
| Port aging time | Supported |
| Fast leave | Not supported |
| Discarding of unknown broadcast packets | Not supported |
| Static broadcast entry | Not 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. |
| Traffic monitoring | Supports port-based and VCTRUNK-based traffic monitoring. |
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