3Com 3C16883 - Switch 775X External PoE Power Rack Supply Datasheet

Also see for Switch 7754: Product guide Datasheet Installation guide Product guide Configuration guide

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3Com 3C16883 - Switch 775X External PoE Power Rack Supply Datasheet Manual pdf 9 page image

3COM ® SWITCH 7750 FAMILY9All information in this section isrelevant to all current members ofthe 3Com Switch 7750 Family, unlessstated otherwise.CAPACITIES AND PERFORMANCE3Com Switch 7758 8-slot:2 switch fabric and 6 payload slotsBackplane: 96 GbpsMax. system bandwidth: 240 Gbps(full duplex)Max. aggregate system throughput:179 Mpps3Com Switch 7757 7-slot:1 switch fabric and 6 payload slotsBackplane: 96 GbpsMax. system bandwidth: 240 Gbps(full duplex)Max. aggregate system throughput:179 Mpps3Com Switch 7754 4-slot:1 switch fabric and 3 payload slotsBackplane: 48 GbpsMax. system bandwidth: 120 Gbps(full duplex)Max. aggregate system throughput:89 MppsAll models:Layer 3: 1,024 IP interfaces, IP routingat 48 Mpps, 64k IP routing entriesLAYER 2 SWITCHING16K MAC addresses5K static MAC addressesModules forwarding (delay <10μs)9K jumbo frame support4,096 VLANs (IEEE 802.1Q)Port-based (IEEE 802.1Q) andprotocol-based (IEEE 802.1v) VLANSGARP VLAN Registration Protocol(GVRP)IP v6 tunneling using protocol-basedVLANsIEEE 802.3ad Link AggregationControl Protocol (LACP)Supports maximum of 64 linkaggregation groupsAuto-negotiation of port speed andduplexIEEE 802.3x full-duplex flow controlBack pressure flow control for half-duplexSupports broadcast storm suppressionIEEE 802.1D Spanning Tree Protocol(STP)IEEE 802.1w Rapid Spanning TreeProtocol (RSTP)IEEE 802.1s Multiple Spanning TreeProtocol instances (MSTP)Bridge Protocol Data Unit (BPDU)protectionLAYER 3 SWITCHINGHardware based routing64K dynamic routes5K static routes8K dynamic/static Address ResolutionProtocol (ARP) entries1,024 IP interfacesRouting Information Protocol (RIP),v1 and v2; supports Split HorizonsOpen Shortest Path First (OSPF),v1 and v2; 50 areasEqual Cost Multi-Path (ECMP) RoutingBorder Gateway Protocol 4 (BGP4)†Intra-Domain Intermediate System toIntermediate System (IS-IS)†Hardware-based multicast routing forwirespeed performance1K multicast routesMulticast Source Discovery Protocol(MSDP)Multicast rate limitingInternet Group Management Protocol(IGMP) snooping on Layer 2 interfacesIGMP v1 and v2GARP Multicast Registration Protocol(GMRP)Protocol Independent Multicast-DenseMode (PIM-DM)Protocol Independent Multicast-Sparse Mode (PIM-SM)Multicast VLANDynamic Host Configuration Protocolrelay (DHCP relay)DHCP client and serverTCP/IP protocol stack; ARPVirtual Router Redundancy Protocol(VRRP)CONVERGENCE8 hardware queues per portFlow-based QoS profilesIngress and egressRemarking of packets based onpriority:• Auto identification and classificationof IP telephones• Selectable prioritization• Diffserv Code Point (DSCP)• Type of Service (ToS)• IEEE 802.1p Class of Service (CoS)• IP precedence• Local precedence: physical port,source/destination MAC address,VLAN information, Ethernet type,Layer 3 protocol, source/destinationIP address, DSCP, datagram type, IPLayer 4 protocol, IP Layer 4 portsFlow-based bandwidth managementFlows identified through AccessControl Lists (ACLs)Minimum and maximum thresholds:64kbit/s increments, 100 traffic classesper portQueuing algorithmsStrict Priority Queuing (SPQ)Weighted Round Robin (WRR)provided through bandwidth manage-mentIEEE 802.3af Power over Ethernetstandards-compliantAvailable 10/100 and 10/100/100048-port PoE switch modulesPoE modules require external PoEPower Rack:• One 2,500W PSU standard withPower Rack• Each 2,500W PSU supports up to155 PoE ports at full standard15.4W per port• Add one or two additional PSUs foradded PoE and N+1 PoE redundancySECURITYIEEE 802.1X Network login userauthenticationLocal authentication andRADIUS/AAA authenticationRADIUS/TACACS+ session accountingRADIUS Authenticated Device Access(RADA): authenticate devices basedon MAC address against RADIUSserver or local database; assign VLANID and ACL through RADIUSDHCP snoopingWirespeed packet filtering in hardwareSupports a maximum of 1,536 ACLrulesACLs filter at Layers 2, 3 and 4:• Physical port• Source/destination MAC address• VLAN information• Ethernet type• Layer 3 protocol• Source/destination IP address• DSCP• Datagram type• IP Layer 4 protocol• IP Layer 4 portsAnti DoS (Denial of Service) attackvia BPDU route guard, DHCP serveraddress check and SYN packet attackprotectionGuest VLAN to quarantineunauthorized users or users thatfail to re-authenticate via RADIUSMultiple authentication server realmdefinitionsSpanning Tree root bridge protectionSYN packet attack protectionTelnet protectionSwitch protocol security: MD5 cipher-text authentication and clear-textauthentication for OSPF v2 and RIP v2packets and SNMP v3 trafficIEEE 802.1X user authentication ofswitch management on switch TelnetsessionsHierarchical management and passwordprotection for management interfaceSNMP v3 encryption‡SSH v2 management sessionencryption‡SPECIFICATIONS† Available in the 3Com Advanced Feature Software, at additional cost.‡ SNMP v3 and SSH v2 encryption features are available in the Basic Software with Encryption and Advanced Feature Software versions only.Downloaded from www.Manualslib.com manuals search engine

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