TMB1EGS4

Basic functions

Receives/Transmits and processes 4*FE or 4*GE services.

Port types

• FE SFP optical module type: 100BASE-BX/100BASE-FX/100BASE-LX/100BASE-VX/100BASE-ZX

• GE SFP optical module type: 1000BASE-SX/1000BASE-LX/1000BASE-ZX
• GE SFP electrical module type: 1000BASE-T, supporting auto-negotiation
• SFP module types:
  • FE/GE two-fiber bidirectional pluggable optical module
  • FE/GE single-fiber bidirectional pluggable optical module
  • GE pluggable electrical module
• A GE optical port can be a colored CWDM optical port. A colored CWDM optical port supports a transmission distance of 40 km or 80 km.

Port characteristics

Working modes

GE electrical port: auto-negotiation, 1000M full-duplex, 100M full-duplex, and 10M full-duplex

GE optical port: auto-negotiation and 1000M full-duplex

FE optical port: 100M full-duplex

Traffic control at ports

• Supports auto-negotiation flow control (supported only by GE ports).
• Supports non-auto-negotiation flow control.

Query/Setting of port status

Supported

Query of port types

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 QinQ tags.

EPLAN service

• Supports the EPLAN services that are based on the IEEE 802.1d MAC bridge.
• Supports a maximum of 16 VBs. The maximum number of logical ports for each VB is 68.
• 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 dynamic MAC addresses.
• Supports the blacklist that can contain 512 records and also the static MAC address table that can contain 512 records.

EVPLAN service

• Supports the EVPLAN services that are based on the IEEE 802.1q virtual bridge and IEEE 802.1ad provider bridge.
• Supports data isolation based on VB+VLAN.
• Supports the setting of a maximum of 4095 VLAN filtering tables.

Service specifications

Formats of Ethernet data frames

• Supports IEEE 802.3.
• Supports Ethernet II.
• Supports IEEE 802.1 q/p.

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

16 x VC-4, or 48 x VC-3, or 252 x VC-12

Concatenation granularities

VC-12, VC-3, VC-4, VC-12-Xv (X ≤ 63), VC-3-Xv (X ≤ 24), and VC-4-Xv (X ≤ 8).

Encapsulation formats

• Supports HDLC, LAPS, GFP-F.

MPLS technology

Not supported

VLAN technology

Supports a total number of 4094 VLANs, which comply with IEEE 802.1q/p.

Maximum uplink bandwidth

2.5 Gbit/s.

VCTRUNK specifications

64

Configuration principles are as follows:

• Supports a maximum of 16 VC-4s.
• When a lower-order channel is bound, VC-4 channels numbered 1 to 4 support the binding of VC-3 and VC-12 channels. VC-4 channels numbered 5 to 16 support the binding of VC-3 channels only.

Protection schemes

BPS

Not supported

PPS

Not supported

Distributed link aggregation group (DLAG)

• Supports static DLAGs.
• Supports non-load sharing DLAGs.
• Complies with IEEE 802.3ad and IEEE 802.1ax.

LAG

• Supports manual link aggregation and static link aggregation.
• Supports the load sharing mode and non-load sharing mode.
• Complies with IEEE 802.3ad and IEEE 802.1ax.

LCAS

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 RSTP, which complies with IEEE 802.1w.

MSTP

Not supported

Synchronization

Physical Clock

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.

Test Frame

Supports test frames in GFP bearer mode.

Response to ping

Supported

Port mirroring

Supports ingress mirroring.

Loopback capability

• Supports inloops at the PHY layer of the Ethernet port.
• Supports inloops at the MAC layer of the Ethernet port.
• Supports outloops at the VC-4 level, VC-3 level and VC-12 level.

RMON

Supports RMON of the Ethernet performance of Ethernet ports and VCTRUNKs.

Warm resets

Supported

Cold resets

Supported

Alarms and performance events

Reports various alarms and performance events, which facilitates the management and maintenance of the equipment.

QoS

Traffic classification

Supports traffic classification based on PORT, PORT+VLAN, PORT+SVLAN, and PORT+VLAN+PRI.

Class of service (CoS)

Supports CoS types including simple, VLAN priority, DSCP, and IP TOS.

Committed access rate (CAR)

Supports the CAR, with the granularity of 64 kbit/s.

Shaping

Supports queue shaping on ports.

Queue scheduling policy

Supports strict priority (SP) and weighted fair queuing (WFQ).

Congestion avoidance

Supports random early detection (RED).

IGMP snooping

Protocol enabling

Supports protocol enabling in compliance with IGMPv1 and IGMPv2.

Port aging time

Supported

Fast leave

Supported

Discarding of unknown broadcast packets

Supported

Static broadcast entry

Not supported

Traffic control

Supports the port-based traffic control function that complies with IEEE 802.3x.

Traffic monitoring

EGS4 boards support port-based and VCTRUNK-based traffic monitoring.

SDH ASON

When working with TNZ5UXCMS, the board supports this function.

2M ASON

When working with TNZ5UXCMS, the board supports this function.