CBS220-24P-4G Data Sheet
| Features / filters | |
| LAN standard | Gigabit Ethernet 10/100/1000 Mb/s |
| Number of LAN ports | 24x [10/100/1000M (RJ45)] , 4x [1G (SFP)] , |
| Number of PoE ports | 24x [802.3af/at (1G)] |
| Built-in modem | None |
| Management | By web browser |
| Power (W) | 195 |
| Switching layer | 2 |
| Type of case | Rack (1U), Desktop, |
| Basic general data | |
| Manufacturer | Cisco |
| Model | CBS220-24P-4G |
| Type | Switch |
| Performance characteristics | |
| Performance in millions of packets per second (mpps) (64-byte packets) | 41.66 |
| Gigabit per second (Gbps) switching capacity | 56.0 |
| Layer 2 switching | |
| Spanning Tree Protocol (STP) | Spanning Tree Support using 802.1d Rapid convergence using 802.1w (Rapid Spanning Tree Protocol [RSTP]), enabled by default. Supports multiple instances of 802.1s spanning tree (MSTP); 8 instances are supported 16 instances are supported |
| Port grouping / link aggregation | Support for IEEE 802.3ad Link Aggregation Control Protocol (LACP) Up to 8 groups Up to 8 ports per group with 16 candidate ports for each (dynamic) 802.3ad Link Aggregation Group (LAG). Load balancing based on source and destination MAC address or source and destination MAC/IP address |
| VLAN | Support for up to 255 active VLANs simultaneously Port-based and 802.1Q tag-based VLANs VLAN management Guest VLAN |
| Automatic voice VLAN | Voice traffic is automatically assigned to its specific VLAN and treated with the appropriate QoS level. |
| Generic VLAN Registration Protocol (GVRP) and Generic Attribute Registration Protocol (GARP) | Protocols for automatically propagating and configuring VLANs in a bridged domain. |
| HOL locking | Prevention of HOL (Head-of-Line) Blocking |
| Loopback detection | Provides loop protection by sending loop protocol packets from ports on which loop protection has been enabled. Works independently of STP |
| Quality of service | |
| Priority levels | 8 hardware queues |
| Scheduling | Strict priority and Weighted Round-Robin (WRR) queues assigned based on DSCP and Class of Service (802.1p/CoS) |
| Class of service | Port-based; 802.1p based on VLAN priorities; IPv4/v6 based on IP priority/type of service (ToS)/DSCP; differentiated services (DiffServ); classification and redesignation ACLs, trusted QoS |
| Standards | |
| Standards | IEEE 802.3 10BASE-T Ethernet, IEEE 802.3u 100BASE-TX Fast Ethernet, IEEE 802.3ab 1000BASE-T Gigabit Ethernet, IEEE 802.3ad LACP, IEEE 802.3z Gigabit Ethernet, IEEE 802.3x Flow Control, IEEE 802.1D (STP, GARP, and GVRP), IEEE 802.1Q/p VLAN, IEEE 802.1w RSTP, IEEE 802.1s Multiple STP, IEEE 802.1X Port Access Authentication, IEEE 802.3af, IEEE 802.3at, RFC 768, Request for Comments (RFC) 783, RFC 791, RFC 792, RFC 793, RFC 813, RFC 879, RFC 896, RFC 826, RFC 854, RFC 855, RFC 856, RFC 858, RFC 894, RFC 919, RFC 922, RFC 920, RFC 950, RFC 1042, RFC 1071, RFC 1123, RFC 1141, RFC 1155, RFC 1157, RFC 1350, RFC 1533, RFC 1541, RFC 1624, RFC 1700, RFC 1867, RFC 2030, RFC 2616, RFC 2131, RFC 2132, RFC 3164, RFC 3411, RFC 3412, RFC 3413, RFC 3414, RFC 3415, RFC 2576, RFC 4330, RFC 1213, RFC 1215, RFC 1286, RFC 1442, RFC 1451, RFC 1493, RFC 1573, RFC 1643, RFC 1757, RFC 1907, RFC 2011, RFC 2012, RFC 2013, RFC 2233, RFC 2618, RFC 2665, RFC 2666, RFC 2674, RFC 2737, RFC 2819, RFC 2863, RFC 1157, RFC 1493, RFC 1215, RFC 3416 |
| IPv6 | |
| IPv6 | Pv6 host mode IPv6 over Ethernet Dual stack IPv6/IPv4 IPv6 Neighbor Detection (ND) Stateless automatic IPv6 address configuration Maximum Transmission Unit (MTU) per Path Detection Duplicate Address Detection (DAD) Internet Control Message Protocol (ICMP) version 6 |
| Multicast listener detection (MLD v1/2) snooping | Deliver IPv6 multicast packets only to required recipients |
| Management | |
| Cisco Business Dashboard | Supports an embedded probe for Cisco Business Dashboard running on the switch. Eliminates the need to configure separate hardware or virtual machine for Cisco Business Dashboard Probe at the site. |
| SNMP | SNMP versions 1, 2c and 3 with trap support and SNMP v3 User-based Security Model (USM) |
| Remote monitoring (RMON) | Built-in RMON software agent supports 4 RMON groups (history, statistics, alarms and events) to improve traffic management, monitoring and analysis |
| Dual stack IPv4 and IPv6 | Coexistence of both protocol stacks to facilitate migration |
| Port mirroring | Traffic on a port can be mirrored to another port for analysis using a network analyzer or RMON probe. Up to 4 source ports can be mirrored to one destination port |
| VLAN reproduction | Traffic from a VLAN can be mirrored to a port for analysis using a network analyzer or RMON probe. Up to 4 source VLANs can be mirrored to a single destination port. |
| General functions | |
| Jumbo frames | Frame size up to 9K bytes. Default MTU is 2K bytes |
| MAC table | 8K addresses |
| Power over Ethernet (PoE) | |
| 802.3at PoE and 802.3af PoE delivered through any of the RJ-45 ports within the listed power budgets | |
| Power dedicated for PoE | 195W |
| Number of PoE-capable ports | 24 |
| Power consumption (worst case) | |
| System power consumption | 110V=30,2W 220V=30,4W |
| Power consumption (with PoE) | 110V = 244,3W 220V = 240,3W |
| Heat dissipation (BTU/hour) | 833.59 |
| Ports | |
| Total number of system ports | 28 x Gigabit Ethernet |
| RJ-45 ports | 24 Gigabit Ethernet ports |
| Combo Ports (RJ-45 SFP) | 4 SFP |
| Console port | Standard Cisco mini USB Type-B/RJ45 console port |
| USB socket | USB Type-A socket on the front panel of the switch for easy file and image management |
| Buttons | Reset button |
| Wiring type | Unshielded twisted pair (UTP) category 5e or better for 1000BASE-T |
| LEDs | System, Link/Act, PoE, Speed |
| Flash | 64 MB |
| CPU | 800 MHz ARM |
| DRAM | 256 MB |
| Packet buffer | 4.1 MB |
| Environmental features | |
| Device dimensions (W x D x H) | 445 x 257 x 44 mm (17.5 x 10.1 x 1.7 in) |
| Weight of device | 4,07 kg (8,97 lb) |
| Certificates | UL (UL 60950), CSA (CSA 22.2), CE Mark, FCC Part 15 (CFR 47) Class A |
| Operating temperature | 0° to 50°C |
| Storage temperature | -20° to 70°C |
| Humidity during operation | 10% to 90%, relative, non-condensing |
| Storage Humidity | 10% to 90%, relative, non-condensing |
| Acoustic noise and mean time between failures (MTBF) | 587,473 |
