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Basic functions
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Receives/Transmits and processes 4*FE or 4*GE services.
NOTE:
If created as the EGS4 or EGS4D board on the NMS, the board supports EoS application.
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Port types
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Port characteristics
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Working modes
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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
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Traffic control at ports
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- Supports auto-negotiation flow control (supported only by GE ports).
- Supports non-auto-negotiation flow control.
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Query/Setting of port status
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Supported
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Query of port types
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Supported
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Service categories
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EPL service
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Supports PORT-based transparent transmission.
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EVPL service
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- Supports PORT-shared EVPL services.
- Supports VCTRUNK-shared EVPL services.
- The services are isolated by VLAN tags.
- The services are isolated by QinQ tags.
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EPLAN service
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- 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.
NOTE:
EGS4 boards support SVL modes. Ensure that all bridges on a board apply the same learning mode.
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EVPLAN service
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- 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.
NOTE:
EGS4 boards support SVL and IVL modes. Ensure that all bridges on a board apply the same learning mode.
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Service specifications
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Formats of Ethernet data frames
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- Supports IEEE 802.3.
- Supports Ethernet II.
- Supports IEEE 802.1 q/p.
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Frame length range
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- 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.
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Bound bandwidth
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16 x VC-4, or 48 x VC-3, or 252 x VC-12
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Concatenation granularities
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VC-12, VC-3, VC-4, VC-12-Xv (X ≤ 63), VC-3-Xv (X ≤ 24), and VC-4-Xv (X ≤ 8).
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Encapsulation formats
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- Supports HDLC, LAPS, GFP-F.
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MPLS technology
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Not supported
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VLAN technology
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Supports a total number of 4094 VLANs, which comply with IEEE 802.1q/p.
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Maximum uplink bandwidth
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2.5 Gbit/s.
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VCTRUNK specifications
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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.
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Protection schemes
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BPS
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Not supported
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PPS
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Not supported
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Distributed link aggregation group (DLAG)
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- Supports static DLAGs.
- Supports non-load sharing DLAGs.
- Complies with IEEE 802.3ad and IEEE 802.1ax.
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LAG
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- 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.
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LCAS
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Dynamically increases or decreases the bandwidth and protects the bandwidth in compliance with ITU-T G.7042.
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LPT
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Supports P2P LPT and P2MP LPT in compliance with Huawei proprietary protocol.
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STP/RSTP
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Supports the RSTP, which complies with IEEE 802.1w.
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MSTP
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Not supported
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Synchronization
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Physical Clock
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Supported
NOTE:
SFP electrical modules do not support physical clock.
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IEEE 1588v2
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Not supported
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Maintenance features
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ETH-OAM
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- 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.
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Test Frame
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Supports test frames in GFP bearer mode.
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Response to ping
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Supported
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Port mirroring
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Supports ingress mirroring.
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Loopback capability
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- 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.
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RMON
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Supports RMON of the Ethernet performance of Ethernet ports and VCTRUNKs.
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Warm resets
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Supported
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Cold resets
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Supported
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Alarms and performance events
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Reports various alarms and performance events, which facilitates the management and maintenance of the equipment.
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QoS
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Traffic classification
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Supports traffic classification based on PORT, PORT+VLAN, PORT+SVLAN, and PORT+VLAN+PRI.
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Class of service (CoS)
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Supports CoS types including simple, VLAN priority, DSCP, and IP TOS.
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Committed access rate (CAR)
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Supports the CAR, with the granularity of 64 kbit/s.
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Shaping
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Supports queue shaping on ports.
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Queue scheduling policy
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Supports strict priority (SP) and weighted fair queuing (WFQ).
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Congestion avoidance
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Supports random early detection (RED).
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IGMP snooping
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Protocol enabling
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Supports protocol enabling in compliance with IGMPv1 and IGMPv2.
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Port aging time
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Supported
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Fast leave
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Supported
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Discarding of unknown broadcast packets
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Supported
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Static broadcast entry
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Not supported
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Traffic control
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Supports the port-based traffic control function that complies with IEEE 802.3x.
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Traffic monitoring
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EGS4 boards support port-based and VCTRUNK-based traffic monitoring.
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SDH ASON
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When working with TNZ5UXCMS, the board supports this function.
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2M ASON
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When working with TNZ5UXCMS, the board supports this function.
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