Recenze Cisco Catalyst switch C1200-24T-4G (24xGbE,4xSFP,fanless) - REFRESH

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Performance Switching capacity and forwarding rate (All switches are wire-speed and nonblocking) \nCapacity in millions of packets per second (mpps) (64-byte packets) 41,66\nSwitching capacity in gigabits per second (Gbps) 56\nLayer 2 switchingSpanning Tree Protocol (STP) Standard 802.1d spanning tree support

\nFast convergence using 802.1w (Rapid Spanning Tree Protocol [RSTP]), enabled by default\nMultiple spanning tree instances using 802.1s (MSTP); 8 instances are supported\nPer-VLAN Spanning Tree Plus (PVST+); 126 instances are supported\nRapid PVST+ (RPVST+); 126 instances are supported\n

Port grouping/link aggregation Support for IEEE 802.3ad Link Aggregation Control Protocol (LACP)

\nUp to 4 groups\nUp to 8 ports per group with 16 candidate ports for each (dynamic) 802.3ad Link Aggregation Group (LAG)\n

VLAN Support for up to 255 active VLANs simultaneously

\nPort-based and 802.1Q tag-based VLANs\nManagement VLAN\nGuest VLAN\nAuto Surveillance VLAN (ASV)\n

Voice VLAN Voice traffic is automatically assigned to a voice-specific VLAN and treated with appropriate levels of QoS. Voice Services Discovery Protocol (VSDP) delivers networkwide zero-touch deployment of voice endpoints and call control devices\nGeneric VLAN Registration Protocol (GVRP) and Generic Attribute Registration Protocol (GARP) Enable automatically propagation and configuration of VLANs in a bridged domain\nInternet Group Management Protocol (IGMP) versions 1, 2, and 3 snooping Limits bandwidth-intensive multicast traffic to only the requesters; supports 255 multicast groups (source-specific multicasting is also supported)\nIGMP querier Used to support a Layer 2 multicast domain of snooping switches in the absence of a multicast router\nHead-of-Line (HOL) blocking HOL blocking prevention\nLoopback detection Provides protection against loops by transmitting loop protocol packets out of ports on which loop protection has been enabled. It operates independently of STP\nLayer 3 routingIPv4 routing Wire-speed routing of IPv4 packets

\nUp to 32 static routes and up to 16 IP interfaces\n

IPv6 routing Wire-speed routing of IPv6 packets\nLayer 3 interface Configuration of Layer 3 interface on physical port, LAG, VLAN interface, or loopback interface\nClassless Interdomain Routing (CIDR) Support for CIDR\nDynamic Host Configuration Protocol (DHCP) relay at Layer 3 Relay of DHCP traffic across IP domains\nUser Datagram Protocol (UDP) relay Relay of broadcast information across Layer 3 domains for application discovery or relaying of Bootstrap Protocol (BootP)/DHCP packets\nSecuritySecure Sockets Layer (SSL) Encrypts all HTTPS traffic, allowing secure access to the browser-based management GUI in the switch\nSSH Protocol SSH is a secure replacement for Telnet traffic. Secure Copy (SCP) also uses SSH. SSH v1 and v2 are supported.\nIEEE 802.1X (authenticator role) RADIUS authentication, guest VLAN, single/multiple host mode, and single/multiple sessions\nSTP loopback guard Provides additional protection against Layer 2 forwarding loops (STP loops)\nSecure Core Technology (SCT) Ensures that the switch will receive and process management and protocol traffic no matter how much traffic is received\nSecure Sensitive Data (SSD) A mechanism to manage sensitive data (such as passwords, keys, and so on) securely on the switch, populating this data to other devices and a secure auto-configuration. Access to view the sensitive data as plain text or encrypted is provided according to the user-configured access level and the access method of the user\nTrustworthy systems Trustworthy systems provide a highly secure foundation for Cisco products

\nRun-time defenses (Executable Space Protection [X-Space], Address Space Layout Randomization [ASLR], Built-In Object Size Checking [BOSC])\n

Port security Ability to lock source MAC addresses to ports and limit the number of learned MAC addresses\nRADIUS Supports RADIUS authentication for management access. Switch functions as a client\nStorm control Broadcast, multicast, and unknown unicast\nDoS prevention DoS attack prevention\nMultiple user privilege levels in CLI Level 1, 7, and 15 privilege levels\nACLs Support for up to 512 rules

\nDrop or rate limit based on source and destination MAC, VLAN ID, IPv4 or IPv6 address, IPv6 flow label, protocol, port, Differentiated Services Code Point (DSCP)/IP precedence, TCP/UDP source and destination ports, 802.1p priority, Ethernet type, Internet Control Message Protocol (ICMP) packets, IGMP packets, TCP flag; ACL can be applied on both ingress and egress sides\nTime-based ACLs supported\n

Quality of servicePriority levels 8 hardware queues\nScheduling Strict priority and Weighted Round-Robin (WRR) queue assignment based on DSCP and Class of Service (802.1p/CoS)\nClass of service Port based, 802.1p VLAN priority based, IPv4/v6 IP precedence/Type of Service (ToS)/DSCP based, Differentiated Services (DiffServ), classification and re-marking ACLs, trusted QoS\nRate limiting Ingress policer, egress shaping and rate control per VLAN, per port, and flow based\nCongestion avoidance A TCP congestion avoidance algorithm is required to reduce and prevent global TCP loss synchronization\nStandardsStandards IEEE 802.3 10BASE-T Ethernet, IEEE 802.3u 100BASE-TX Fast Ethernet, IEEE 802.3ab 1000BASE-T Gigabit Ethernet, IEEE 802.3ad Link Aggregation Control Protocol, IEEE 802.3z Gigabit Ethernet, IEEE 802.3x Flow Control, IEEE 802.3 ad LACP, IEEE 802.1D (STP), 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, 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 920, RFC 922, RFC 950, RFC 951, RFC 1042, RFC 1071, RFC 1123, RFC 1141, RFC 1155, RFC 1157, RFC 1213, RFC 1215, RFC 1286, RFC 1350, RFC 1442, RFC 1451, RFC 1493, RFC 1533, RFC 1541, RFC 1542, RFC 1573, RFC 1624, RFC 1643, RFC 1700, RFC 1757, RFC 1867, RFC 1907, RFC 2011, RFC 2012, RFC 2013, RFC 2030, RFC 2131, RFC 2132, RFC 2233, RFC 2576, RFC 2616, RFC 2618, RFC 2665, RFC 2666, RFC 2674, RFC 2737, RFC 2819, RFC 2863, RFC 3164, RFC 3411, RFC 3412, RFC 3413, RFC 3414, RFC 3415, RFC 3416, RFC 4330\nIPv6IPv6 IPv6 host mode

\nIPv6 over Ethernet\nDual IPv6/IPv4 stack\nIPv6 Neighbor Discovery (ND)\nIPv6 stateless address auto-configuration\nPath Maximum Transmission Unit (MTU) discovery\nDuplicate Address Detection (DAD)\nICMP version 6\nIPv6 over IPv4 network with Intrasite Automatic Tunnel Addressing Protocol (ISATAP) support\n

IPv6 QoS Prioritizes IPv6 packets in hardware\nIPv6 ACL Drop or rate-limit IPv6 packets in hardware\nMulticast Listener Discovery (MLD v1/2) snooping Delivers IPv6 multicast packets only to the required receivers\nIPv6 applications Web/SSL, Telnet server/SSH, Ping, Traceroute, Simple Network Time Protocol (SNTP), Trivial File Transfer Protocol (TFTP), Simple Network Management Protocol (SNMP), RADIUS, Syslog, DNS client, DHCP client, DHCP auto-configuration\nIPv6 RFCs supported RFC 4443 (which obsoletes RFC 2463): ICMPv6

\nRFC 4291 (which obsoletes RFC 3513): IPv6 address architecture\nRFC 4291: IPv6 addressing architecture\nRFC 2460: IPv6 specification\nRFC 4861 (which obsoletes RFC 2461): neighbor discovery for IPv6\nRFC 4862 (which obsoletes RFC 2462): IPv6 stateless address auto-configuration\nRFC 1981: path MTU discovery\nRFC 4007: IPv6 scoped address architecture\nRFC 3484: default address selection mechanism\nRFC 5214 (which obsoletes RFC 4214): ISATAP tunneling\nRFC 4293: MIB IPv6: textual conventions and general group\nRFC 3595: textual conventions for IPv6 flow label\n

ManagementCisco Business Dashboard Support for embedded probe for Cisco Business Dashboard running on the switch. Eliminates the need to set up a separate hardware or virtual machine for the Cisco Business Dashboard probe onsite\nCisco Business mobile app Mobile app for Cisco Business switch and wireless products. Helps to set up a local network in minutes and provide easy management at your fingertips.\nCisco Network Plug and Play (PnP) agent The Cisco Network PnP solution provides a simple, secure, unified, and integrated offering to ease new branch or campus device rollouts or for provisioning updates to an existing network. The solution provides a unified approach to provision Cisco routers, switches, and wireless devices with a near-zero-touch deployment experience.

\nSupports Cisco PnP Connect\n

Web user interface Built-in switch configuration utility for easy browser-based device configuration (HTTP/HTTPS). Supports configuration, wizards, system dashboard, system maintenance, and monitoring

\nBasic and advanced mode for maximum operational efficiency\n

SNMP SNMP versions 1, 2c, and 3 with support for traps, and SNMP v3 User-Based Security Model (USM)\nRemote Monitoring (RMON) Embedded RMON software agent supports 4 RMON groups (history, statistics, alarms, and events) for enhanced traffic management, monitoring, and analysis\nIPv4 and IPv6 dual stack Coexistence of both protocol stacks to ease migration\nFirmware upgrade Web browser upgrade (HTTP/HTTPS) and TFTP and upgrade over SCP running over SSH

\nDual images for resilient firmware upgrades\n

Port mirroring Traffic on a port can be mirrored to another port for analysis with a network analyzer or RMON probe. Up to 4 source ports can be mirrored to one destination port\nVLAN mirroring Traffic from a VLAN can be mirrored to a port for analysis with a network analyzer or RMON probe. Up to 4 source VLANs can be mirrored to one destination port\nDHCP (options 12, 59, 60, 66, 67, 125, 129, and 150) DHCP options facilitate tighter control from a central point (DHCP server) to obtain IP address, auto-configuration (with configuration and image file download), DHCP relay, and hostname\nSecure Copy (SCP) Securely transfers files to and from the switch\nAuto-configuration with SCP file download Enables mass deployment with protection of sensitive data\nText-editable configurations Configuration files can be edited with a text editor and downloaded to another switch, facilitating easier mass deployment\nSmartports Simplified configuration of QoS and security capabilities\nAuto Smartports Automatically applies the intelligence delivered through the Smartports roles to the port based on the devices discovered over Cisco Discovery Protocol or LLDP-MED. This facilitates zero-touch deployments\nText view CLI Scriptable CLI. A full CLI as well as a menu-based CLI is supported. User privilege levels 1, 7, and 15 are supported for the CLI\nLocalization Localization of GUI and documentation into multiple languages\nLogin banner Configurable multiple banners for web as well as CLI\nOther management Traceroute, single IP management, HTTP/HTTPS, RADIUS, port mirroring, TFTP upgrade, DHCP client, SNTP, cable diagnostics, Ping, syslog, Telnet client (SSH secure support), automatic time settings from management station\nGreen (power efficiency)Energy detect Automatically turns power off on an RJ-45 port when the detecting link down. Active mode is resumed without loss of any packets when the switch detects the link is up\nCable length detection Adjusts the signal strength based on the cable length. Reduces the power consumption for shorter cables\nEEE compliant (802.3az) Supports IEEE 802.3az on all copper Gigabit Ethernet ports\nDisable port LEDs LEDs can be manually turned off to save energy\nTime-based port operation Link up or down based on user-defined schedule (when the port is administratively up)\nGeneralJumbo frames Frame sizes up to 9000 bytes. The default MTU is 2000 bytes\nMAC table 8000 addresses\nChip guard Detects tampering attempts and responds during boot-up\nBoot integrity Boot integrity visibility allows Cisco\'s platform identity and software integrity information to be visible and actionable\nDiscoveryBonjour The switch advertises itself using the Bonjour protocol\nLink Layer Discovery Protocol (LLDP) (802.1ab) with LLDP-Media Endpoint Discovery (MED) extensions LLDP allows the switch to advertise its identification, configuration, and capabilities to neighboring devices that store the data in a MIB. LLDP-MED is an enhancement to LLDP that adds the extensions needed for IP phones\nCisco Discovery Protocol The switch advertises itself using the Cisco Discovery Protocol. It also learns the connected device and its characteristics using Cisco Discovery Protocol\nHardwarePower consumption (worst case) \nSystem power consumption 110V=13.9W

\n220V=14.2W\n

Heat dissipation (BTU/hr) 48.4\nIdle Power 110V=4.7W

\n220V=4.9W\n

Ports \nTotal system ports 28x Gigabit Ethernet\nRJ-45 ports 24x Gigabit Ethernet\nCombo ports (RJ-45 + Small Form-Factor Pluggable [SFP]) 4x SFP\nUSB port USB Type C port on the front panel of the switch for easy file and image management as well as console port\nButtons Reset button\nCabling type Unshielded Twisted Pair (UTP) Category 5e or better for 1000BASE-T\nLEDs System, Link/Act, PoE, Speed\nFlash 512 MB\nCPU Dual-core ARM at 1.4 GHz\nDRAM 1 GB DDR4\nPacket buffer All numbers are aggregate across all ports because the buffers are dynamically shared.

\n1.5 MB\n

Supported SFP/SFP+ modules MGBSX1

\nMGBLH1\nMGBLX1\nMGBT1\nGLC-SX-MMD\nGLC-LH-SMD\nGLC-BX-U\nGLC-BX-D\nGLC-TE\n

EnvironmentalUnit dimensions (W x D x H) 445 x 240 x 44 mm (17.5 x 9.45 x 1.73 in)\nUnit weight 2.63 kg (5.80 lb)\nPower 100 to 240V 50 to 60 Hz, internal, universal\nCertifications UL (UL 62368), CSA (CSA 22.2), CE mark, FCC Part 15 (CFR 47) Class A\nOperating temperature 32° to 122°F (0° to 50°C) \nStorage temperature -13° to 158°F (-25° to 70°C)\nOperating humidity 10% to 90%, relative, noncondensing\nStorage humidity 10% to 90%, relative, noncondensing\nAcoustic noise and mean time between failures (MTBF) \nFan (number) Fanless\nAcoustic noise N/A\nMTBF at 25°C (hours) 2,026,793\nWarranty Limited lifetime\nPackage contents Cisco Catalyst 1200 Series Switch\n Power cord\n Mounting kit\n Pointer card\nMinimum requirements Web browser: Chrome, Firefox, Edge, Safari\n Category 5e Ethernet network cable\n TCP/IP, network adapter, and network operating system (such as Microsoft Windows, Linux, or Mac OS X) installed

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