Brand :
Cisco
Specifications
Performance
- Model Name: SG220-26
- Packets per Second: 38.69
- Switching Capacity: 52
- Flash 32 MB
- CPU memory 128 MB
- Power Consumption
- Power Savings: Energy Detect
- Power Usage: 18.2W
- Heat Dissipation (BTU/hr): 64.5
Ports
- 24x 10/100/1000 Gigabit Ethernet
- 2x 10/100/1000 Gigabit Ethernet Combo
Specification
- Buttons Reset button
- Cabling type Unshielded twisted pair (UTP) Category 5 or better for 10BASE-T/100BASE-TX; UTP Category 5 ethernet or better for 1000BASE-T
- LEDs System, Link/Act, PoE, Speed
- Certification UL (UL 60950), CSA (CSA 22.2), CE mark, FCC Part 15 (CFR 47) Class A
- Operating temperature 32° to 104°F (0° to 40°C)
- Storage temperature 4° to 158°F (20° to 70°C)
- Operating humidity 10% to 90%, relative, noncondensing
- Storage humidity 10% to 90%, relative, noncondensing
Layer 2 Switching
- MAC Table Up to 8192 MAC addresses
- Spanning Tree Protocol (STP)
- Standard 802.1d Spanning Tree support, enabled by default
- Fast convergence using 802.1w (Rapid Spanning Tree [RSTP])
- Multiple Spanning Tree instances using 802.1s (MSTP)
- 16 instances are supported
- Port Grouping
- 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
- Load balance based on source and destination MAC address, or source and destination MAC/IP
- VLAN
- Support for up to 256 VLANs simultaneously
- Port-based and 802.1Q tag-based VLANs
- Management VLAN
- Guest VLAN
- Auto Voice VLAN
- Voice traffic is automatically assigned to a voice-specific VLAN and treated with appropriate levels of QoS
- QinQ VLAN
- VLANs transparently cross a service provider network while isolating traffic among customers
- Generic VLAN Registration Protocol (GVRP) and Generic Attribute Registration Protocol (GARP)
- Protocols for automatically propagating and configuring VLANs in a bridged domain
- Head-of-Line (HOL) Blocking
- HOL blocking prevention
- Jumbo Frame
- Frame sizes up to 9216 supported
- Security
- Port Security
- IEEE 802.1x (Authenticator Role)
- 802.1X: RADIUS authentication; guest VLAN; multiple host mode
- RADIUS, TACACS+
- Supports RADIUS and TACACS authentication; switch functions as a client
- MAC Address Filtering
- Supported
- Storm Control
- Broadcast, multicast, and unknown unicast
- DoS Protection
- DOS attack prevention
- STP Bridge Protocol Data Unit (BPDU) Guard
- This security mechanism protects the network from invalid configurations. A port enabled for BPDU guard is shut down if a BPDU message is received on that port
- Secure Shell (SSH) Protocol
- SSH is a secure replacement for Telnet traffic. SCP also uses SSH. SSH v1 and v2 are supported
- Secure Sockets Layer (SSL)
- SSL support: Encrypts all HTTPS traffic, allowing highly secure access to the browser-based
- anagement GUI in the switch
- QoS
- Priority Levels
- 8 hardware queues per port
- Priority Levels
- Scheduling
- Strict priority and weighted round-robin (WRR) queue assignment based on DSCP and class of service (802.1p/CoS)
- Class of Service
- Port-based; 802.1p VLAN priority-based; IPv4/v6 IP precedence, type of service (ToS), and DSCP based; Differentiated Services (DiffServ); classification and re-marking ACLs, trusted QoS
- Rate Limiting
- Ingress policer; egress shaping and rate control; per VLAN, per port, and flow-based
- Congestion Avoidance
- A TCP congestion avoidance algorithm is required to reduce and prevent global TCP loss synchronization
- Multicast
- Internet Group Management Protocol (IGMP) Versions 1, 2, and 3 Snooping
- IGMP limits bandwidth-intensive multicast traffic to only the requesters; supports 256 multicast groups
- IGMP Querier
- IGMP querier is used to support a Layer 2 multicast domain of snooping switches in the absence of a multicast router
IPv6
- IPv6
- IPv6 host mode
- IPv6 over Ethernet
- IPv6/IPv4 Dual Stack
- IPv6 neighbor and router discovery (ND)
- IPv6 stateless address auto-configuration
- Path maximum transmission unit (MTU) discovery
- Duplicate address detection (DAD)
- ICMP version 6
- IPv6 ACL
- Drop or rate limit IPv6 packets in hardware
- IPv6 QoS
- Prioritize IPv6 packets in hardware
- Multicast Listener Discovery (MLD v1/2) Snooping
- Deliver IPv6 multicast packets only to the required receivers
- IPv6 Applications
- Web/SSL, Telnet server/SSH, DHCP Client, DHCP Autoconfig, CDP, LLDP
- IPv6 RFCs Supported
- RFC 4443 (which obsoletes RFC2463) - ICMP version 6
- RFC 4291 (which obsoletes RFC 3513) - IPv6 address architecture
- RFC 4291 - IPv6 addressing architecture
- RFC 2460 - IPv6 specification
- RFC 4861 (which obsoletes RFC 2461) - Neighbor discovery for IPv6
- RFC 4862 (which obsoletes RFC 2462) - IPv6 stateless address auto-configuration
- RFC 1981 - Path MTU discovery
- RFC 4007 - IPv6 scoped address architecture
- RFC 3484 - Default address selection mechanism
Management
- Web User Interface
- Built-in switch configuration utility for easy browser-based device configuration (HTTP/HTTPS). supports configuration, system dashboard, system maintenance, and monitoring
- Text-Editable Config Files
- Config files can be edited with a text editor and downloaded to another switch, facilitating easier class deployment
- Command line interface
- Scriptable CLI; a full CLI is supported. User privilege levels 1 and 15 are supported for the CLI
- Cloud Services
- Support for Cisco Small Business FindIT Network Tool
- SNMP
- SNMP versions 1, 2c, and 3 with support for traps, and SNMP version 3 user-based security model USM)
- Remote Monitoring (RMON)
- Embedded RMON software agent supports 4 RMON groups (history, statistics, alarms, and vents) for enhanced traffic management, monitoring, and analysis
- IPv4 and IPv6 Dual Stack
- Coexistence of both protocol stacks to ease migration
- Port Mirroring
- Traffic on a port or VLAN can be mirrored to another port for analysis with a network analyzer or MON probe. Up to 8 source ports can be mirrored to one destination port. Four sessions are supported.
- Firmware Upgrade
- Web browser upgrade (HTTP/HTTPS) and Trivial File Transfer Protocol ( TFTP)
- Dual images for resilient firmware upgrades
- DHCP (Option 12, 66, 67, 82, 129, and 150)
- DHCP options facilitate tighter control from a central point (DHCP server) to obtain IP address,
- uto-configuration (with configuration file download), DHCP relay, and hostname
- Time Synchronization
- Simple Network Time Protocol (SNTP)
- Login Banner
- Configurable multiple banners for web as well as CLI
- Other Management
- HTTP/HTTPS; TFTP upgrade; DHCP client; BOOTP; cable diagnostics; ping; traceroute; syslog
Discovery
- Bonjour
- The switch advertises itself using the Bonjour protocol
- Link Layer Discovery Protocol (LLDP) (802.1ab) with LLDP-MED Extensions
- LLDP allows the switch to advertise its identification, configuration, and capabilities to neigh boring devices that store the data in a MIB. LLDP-MED is an enhancement to LLDP that adds the extensions needed for IP phones.
- Cisco Discovery Protocol
- The switch advertises itself using the Cisco Discovery Protocol. Display brief information for connected Cisco network devices, IP phones, and wireless access points
Minimum Requirements
- Web Configuration
- Browser: Internet Explorer 8 or later; Mozilla Firefox 20 or later; Google Chrome 23 or later; Safari 2.1 or later
Power Efficiency
- EEE Compliance (802.3az)
- Support 802.3az Energy Efficient Ethernet on all ports; substantially reduce the power consumption when link bandwidth is not at full utilization
- Energy Detect
- Automatically turns power off on Gigabit Ethernet and 10/100 RJ-45 ports when detecting a link own Active mode is resumed without loss of any packets when the switch detects the link up
Physical
- Dimensions (W x H x D)
- 440 x 44 x 201 mm
- Unit Weight
- 2.6 kg
Power
- 100-240 V, 50-60 Hz, Internal
Certification
- UL (UL 60950), CSA (CSA 22.2), CE mark, FCC Part 15 (CFR 47) Class A, C-tick
Environment
- Operating Temperature
- 0-50° C
- Storage Temperature
- -20° C to +70° C
- Operating Humidity
- 10% to 90%, relative, noncondensing
- Storage Humidity
- 10% to 90%, relative, noncondensing
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