¡@ | RackSwitch G8264 | RackSwitch G8264T |
Port types | Based on SFP+ | Based on 10GBase-T |
Latency | Lower latency - 880 nanosecond | 3.2 microseconds |
Stacking | Yes | No |
Typical power | Lower power - 330 watts | Competitive versus other 10GBase-T - 385 W |
Copper cable length | Up to 7 m | Up to 100 m |
Total distance | Up to 40 km with Transceiver | Limited to 100 m |
TCO | Less than other SFP+ | Lower TCO ¡V for 100 m and less (based on adapter, cables and switch) |
Features and specifications
Note: Features and
specifications listed in this section
are based on Networking OS 7.9.
The RackSwitch G8264T has the following
features and specifications:
- Form factor: 1U rack mount
switch
- RackSwitch G8264T Rear-to-Front version for ports located in the rear of the rack matching ThinkServer®, System x®, BladeCenter® and Flex System® designs
- RackSwitch G8264T Front-to-Rear version for ports located in the front of the rack matching airflow of iDataPlex and NeXtScale System designs
- Ports
- 48 RJ-45 ports for 1 Gb or 10 Gb Ethernet (support for 1000BASE-T or 10GBASE-T)
- 4 ports for 40 Gb Ethernet QSFP+ transceivers, QSFP+ to QSFP+ DAC cables, or QSFP+ to 4x 10 Gb SFP+ break-out cables. QSFP+ modules and DAC cables are not included and must be purchased separately (see Table 3).
- One 10/100/1000 Ethernet port (RJ-45 connector) for out of band (OOB) management
- One RS-232 serial port (mini-USB connector) that provides an additional means to configure the switch
- One USB port for mass storage devices
- Scalability and performance
- 1 Gb, 10 Gb, and 40 Gb Ethernet connectivity for bandwidth optimization and performance
- Up to 64 10 Gb Ethernet connections (with optional break-out cables)
- Non-blocking architecture with wire-speed forwarding of traffic and aggregated throughput of 1.28 Tbps
- Full line rate performance with 3.2 microseconds switching latency
- Media access control (MAC) address learning: automatic update, support for up to 128,000 MAC addresses
- Up to 128 IP interfaces per switch (IP interface 128 is reserved for out-of-band management)
- Static and LACP (IEEE 802.3ad) link aggregation, up to 64 trunk groups with up to 16 member ports per trunk group
- Support for jumbo frames (up to 9,216 bytes)
- Broadcast/multicast storm control
- IGMP snooping to limit flooding of IP multicast traffic
- IGMP filtering to control multicast traffic for hosts participating in multicast groups
- Configurable traffic distribution schemes over trunk links based on source/destination IP or MAC addresses, or both
- Fast port forwarding and fast uplink convergence for rapid STP convergence
- Availability and redundancy
- Virtual Router Redundancy Protocol (VRRP) for Layer 3 router redundancy
- IEEE 802.1D STP for providing L2 redundancy
- IEEE 802.1s Multiple STP (MSTP) for topology optimization, up to 32 STP instances are supported by a single switch
- IEEE 802.1w Rapid STP (RSTP) provides rapid STP convergence for critical delay-sensitive traffic like voice or video
- Per-VLAN Rapid STP (PVRST) enhancements
- Layer 2 Trunk Failover to support active/standby configurations of network adapter teaming on compute nodes
- Hot Links provides basic link redundancy with fast recovery for network topologies that require Spanning Tree to be turned off
- VLAN support
- Up to 4095 VLANs supported per switch, with VLAN numbers ranging from 1 to 4095 (VLAN 4095 is used by the management network.)
- Port-based and protocol-based VLANs
- 802.1Q VLAN tagging support
- Private VLANs support as defined in RFC 5517
- Security
- VLAN-based, MAC-based, and IP-based access control lists (ACLs)
- 802.1x port-based authentication
- Multiple user IDs and passwords
- User access control
- Radius, TACACS+ and LDAP authentication and authorization
- NIST 800-131A Encryption
- Selectable encryption protocol
- Quality of Service (QoS)
- Support for IEEE 802.1p, IP ToS/DSCP, and ACL-based (MAC/IP source and destination addresses, VLANs) traffic classification and processing
- Traffic shaping and re-marking based on defined policies
- Eight output Class of Service (COS) queues per port for processing qualified traffic
- Weighted Random Early Detection (WRED) with Explicit Congestion Notification (ECN) to help avoid congestion
- IPv4/IPv6 ACL metering
- IP v4 Layer 3 functions
- Host management
- IP forwarding
- IP filtering with ACLs, up to 256 IPv4 ACLs supported
- VRRP for router redundancy
- Support for up to 128 static routes
- Routing protocol support (RIP v1, RIP v2, OSPF v2, BGP)
- Support for policy-based routing (PBR)
- Support for DHCP Relay
- Support for IGMP snooping and IGMP relay
- Support for Protocol Independent Multicast (PIM) in Sparse Mode (PIM-SM) and Dense Mode (PIM-DM).
- IPv6 Layer 3 functions
- IPv6 host management
- IPv6 forwarding
- Support for static routes
- Support for OSPF v3 routing protocol
- IPv6 filtering with ACLs, up to 128 IPv6 ACLs supported
- OpenFlow 1.0 and 1.3.1 support
- Virtualization
- Virtual NICs (vNICs) with Ethernet, iSCSI, or FCoE traffic on vNICs
- Virtual link aggregation groups (vLAGs)
- 802.1Qbg Edge Virtual
Bridging (EVB) is an emerging
IEEE standard for allowing
networks to become virtual
machine (VM)-aware.
- Virtual Ethernet Bridging (VEB) and Virtual Ethernet Port Aggregator (VEPA) are mechanisms for switching between VMs on the same hypervisor.
- Edge Control Protocol (ECP) is a transport protocol that operates between two peers over an IEEE 802 LAN providing reliable, in-order delivery of upper layer protocol data units.
- Virtual Station Interface (VSI) Discovery and Configuration Protocol (VDP) allows centralized configuration of network policies that will persist with the VM, independent of its location.
- EVB Type-Length-Value (TLV) is used to discover and configure VEPA, ECP, and VDP.
- VMready support
- Up to 4,096 virtual entities (VEs)
- Automatic VE discovery
- Up to 4,093 local or distributed VM groups for VEs
- NMotion™ feature for automatic network configuration migration
- Converged Enhanced Ethernet
- Priority-Based Flow Control (PFC) (IEEE 802.1Qbb) extends 802.3x standard flow control to allow the switch to pause traffic based on the 802.1p priority value in each packet¡¦s VLAN tag.
- Enhanced Transmission Selection (ETS) (IEEE 802.1Qaz) provides a method for allocating link bandwidth based on the 802.1p priority value in each packet¡¦s VLAN tag.
- Data Center Bridging Capability Exchange Protocol (DCBX) (IEEE 802.1AB) allows neighboring network devices to exchange information about their capabilities.
- Fibre Channel over Ethernet (FCoE)
- FC-BB5 FCoE specification compliant
- FCoE transit switch operations
- FCoE Initialization Protocol (FIP) support for automatic ACL configuration
- FCoE Link Aggregation Group (LAG) support
- Supports 2,048 FCoE sessions with FIP Snooping by using Class ID ACLs
- Manageability
- Industry-standard command line interface (isCLI)
- Simple Network Management Protocol (SNMP V1, V2 and V3)
- HTTP/HTTPS browser GUI
- Telnet interface for CLI
- Secure Shell (SSH) v1 and v2 for CLI
- Secure Copy (SCP) for uploading and downloading the switch configuration via secure channels
- Link Layer Discovery Protocol (LLDP) for discovering network devices
- Serial interface for CLI
- Scriptable CLI
- Dual software images
- Firmware image update via TFTP, FTP, and Secure FTP (sFTP)
- Network Time Protocol (NTP) and Precision Time Protocol (PTP) for switch clock synchronization
- Netconf (XML)
- Switch Center management application
- Monitoring
- Switch LEDs for port status and switch status indication
- Remote Monitoring (RMON) agent to collect statistics and proactively monitor switch performance
- Port mirroring for analyzing network traffic passing through switch
- Change tracking and remote logging with syslog feature
- Support for sFLOW agent for monitoring traffic in data networks (separate sFLOW analyzer required elsewhere)
The following features are not supported
with IPv6:
- Bootstrap Protocol (BOOTP) and DHCP
- RADIUS, TACACS+ and LDAP
- VMware Virtual Center (vCenter) for VMready
- Routing Information Protocol (RIP)
- Border Gateway Protocol (BGP)
- Protocol Independent Multicast (PIM)
- Virtual Router Redundancy Protocol (VRRP)
- sFLOW