| Switching Engine Model |
Store and forward |
| DRAM |
2 GB |
| Flash |
2 GB |
| CPU |
1.25GHz ARM CPU |
| GbE port density per system |
28 (24 host ports + four-port SFP/ SFP+ uplinks) |
| Supported Optics |
– 10/100/1000BASE-T connector type RJ-45
– GbE SFP optic/connector type: RJ-45, or LC SFP fiber supporting 1000BASE-T SFP, SX (multimode), LX (singlemode), or LH (single-mode) |
| Physical Layer |
– Physical port redundancy: Redundant trunk group (RTG)
– Cable diagnostics for detecting cable breaks and shorts
– Auto MDI/MDIX (medium-dependent interface/mediumdependent interface crossover) support
– Port speed downshift/setting maximum advertised speed on 10/100/1000BASE-T ports
– Digital optical monitoring for optical ports |
| Packet Switching Capacities |
128 Gbps |
| Layer 2 Throughput (Mpps) |
95 Mpps (wire speed) |
| Layer 2 Switching |
– Maximum MAC addresses in hardware: 16,000
– Jumbo frames: 9216 bytes
– Number of VLANs supported: 4093
– Range of possible VLAN IDs: 1-4094
– Port-based VLAN
– MAC-based VLAN
– Voice VLAN
– Layer 2 Tunneling Protocol (L2TP)
– IEEE 802.1ak: Multiple VLAN Registration Protocol (MVRP)
– Compatible with Per-VLAN Spanning Tree Plus (PVST+)
– RVI (Routed VLAN Interface)
– IEEE 802.1AB: Link Layer Discovery Protocol (LLDP)
– LLDP-MED with VoIP integration
– IEEE 802.1ad Q-in-Q tunneling
– IEEE 802.1br: Bridge Port Extension
– IEEE 802.1D: Spanning Tree Protocol
– IEEE 802.1p: CoS Prioritization
– IEEE 802.1Q: VLAN Tagging
– IEEE 802.1Q-in-Q: VLAN Stacking
– IEEE 802.1s: Multiple Spanning Tree Protocol (MSTP)
– Number of MST instances supported: 64
– Number of VSTP instances supported: 253
– IEEE 802.1w: Rapid Spanning Tree Protocol (RSTP)
– IEEE 802.1X: Port Access Control
– IEEE 802.3: 10BASE-T
– IEEE 802.3u: 100BASE-T
– IEEE 802.3ab: 1000BASE-T
– IEEE 802.3z: 1000BASE-X
– IEEE 802.3ad: Link Aggregation Control Protocol (LACP)
– IEEE 802.3x: Pause Frames/Flow Control |
| Layer 3 Features: IPv4 |
– Maximum number of ARP entries: 1,500
– Maximum number of IPv4 unicast routes in hardware: 512 prefixes; 4,096 host routes
– Maximum number of IPv4 multicast routes in hardware: 2,048 groups; 2,048 multicast routes
– Routing Protocols: RIP v1/v2, OSPF v1/v2
– Static routing
– Routing policy
– Bidirectional Forwarding Detection (BFD) with slow timers (> 3 sec)
– IP directed broadcast |
| Layer 3 Features: IPv6 Management Functionality |
– Maximum number of Neighbor Discovery (ND) entries: 1,500
– Maximum number of IPv6 unicast routes in hardware: 512 prefixes; 2,048 host routes
– Maximum number of IPv6 multicast routes in hardware: 1,024 groups; 1,024 multicast routes
– Neighbor discovery, system logging, Telnet, SSH, SNMP, Network Time Protocol (NTP), Domain Name System (DNS)
– Static routing
– Routing protocols: RIPng, OSPF v3, Multica |
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