Wire speed L2 switching | Switching capacity (Full duplex) | 128 Gbps | 176 Gbps | 128 Gbps | 176 Gbps | 48 Gbps | 96 Gbps |
Packet forwarding rate | 95.2 Mpps | 130.9 Mpps | 95.2 Mpps | 130.9 Mpps | 35.7 Mpps | 71.4 Mpps |
Power over Ethernet | Not supported | Supported | Not supported |
Link aggregation | l Aggregation of GE ports l Aggregation of 10GE ports (S5120-24P-EI and S5120-48P-EI do not support) l Dynamic link aggregation l Static link aggregation l Supports up to 128 aggregation groups, each supporting up to eight GE ports or four 10GE ports |
Flow control | l IEEE 802.3x flow control and back pressure |
Jumbo Frame | l Supports maximum frame size of 9 KB |
MAC address table | l 16K MAC addresses l 1024 static MAC addresses l Blackhole MAC addresses l MAC address learning limit on a port |
VLAN | l Port-based VLANs (4,094 VLANs) l QinQ and selective QinQ l Voice VLAN l Protocol-based VLANs l GVRP l MAC-based VLANs l IP subnet-based VLANs |
ARP | l 256 entries l 256 static entries l Gratuitous ARP l Standard proxy ARP and local proxy ARP l ARP Detection |
ND | l 256 entries l 256 static entries |
VLAN virtual interface | l 8 |
DHCP | l DHCP Client l DHCP Snooping l DHCP Relay |
UDP Helper | l UDP Helper |
DNS | l Dynamic domain name resolution l Dynamic domain name resolution client l IPv4/IPv6 addresses |
IPv4 route | l 32 static routes |
IPv6 route | l 32 static routes |
IPv4 multicast | l IGMP (Internet Group Management Protocol) Snooping v1/v2/v3 l Multicast VLAN l 1024 multicast groups l Unknown multicast packets dropping |
IPv6 multicast | l MLD Snooping v1/v2 l IPv6 multicast VLAN l 1024 multicast groups |
Broadcast/multicast/unicast storm control | l Storm control based on port rate percentage l PPS-based storm control |
MSTP | l MSTP protocol l 16 instances l STP Root Guard l BPDU Guard |
RRPP | l RRPP protocol l Multi-instance RRPP |
Smart link | l Up to 26 groups supported |
Monitor link | l Supported |
QoS/ACL | l Restriction of the rates at which a port sends and receives packets, with a granularity of 64 kbps. l Packet redirection l Committed access rate (CAR), with a granularity of traffic limit 64 kbps. l Eight output queues for each port l Flexible queue scheduling algorithms based on port and queue, including strict priority (SP), weighted round robin (WRR), and SP + WRR. l Remarking of 802.1p and DSCP priorities l Packet filtering at L2 (Layer 2) through L4 (Layer 4); flow classification based on source MAC address, destination MAC address, source IP (IPv4/IPv6) address, destination IP (IPv4/IPv6) address, port, protocol, and VLAN. l Time range |
Mirroring | l Traffic mirroring l Port mirroring |
Remote mirroring | l Remote port mirroring |
Security | l Hierarchical management and password protection of users l AAA authentication l RADIUS authentication l HWTACACS+ l SSH 2.0 l Port isolation l Port security l Centralized MAC address authentication l IP-MAC-port binding l IP Source Guard l Https l SSL l PKI ( Public Key Infrastructure ) l EAD |
802.1X | l Up to 1,024 users l Port-based and MAC address–based authentication l Guest VLAN l Trunk port authentication l Dynamic assignment of QoS/ACL/VLAN based on 802.1X |
Loading and upgrading | l Loading and upgrading through XModem protocol l Loading and upgrading through FTP l Loading and upgrading through the trivial file transfer protocol (TFTP) |
Management | l Configuration through CLI l Remote configuration through Telnet l Configuration through Console port l Simple network management protocol (SNMP) l Remote monitoring (RMON) alarm, event and history recording l iMC NMS l Web-based network management l System log l Hierarchical alarms l Huawei group management protocol (HGMP) V2 l NTP l Power supply alarm function l Fan and temperature alarms l IRF( only supported by S5120-C-EI series switches) |
Maintenance | l Debugging information output l Ping and Tracert l NQA l Track l Remote maintenance through Telnet l Virtual cable test l 802.1ag l 802.3ah l DLDP |