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To support the new direction of IT service delivery, data center operators need networks that are high performance, operationally efficient, automated, and elastic. The ideal network will be easy to manage and scale to meet demand as well as adapt to future requirements.
Advanced Features to Transform Data Centers
The ExtremeSwitching VDX 6740, 6740T and 6740T-1G are Ethernet fabric Top of Rack (ToR) switches featuring 10 Gigabit Ethernet (GbE) ports with 40 GbE uplinks. Together with Extreme VCS fabric technology, these switches deliver the high performance and low latency needed to support demanding virtualized data center environments.
| VDX 6740 | VDX 6740T | VDX 6740T-1G | |
|---|---|---|---|
| Form factor | 1U | 1U | 1U |
| Switching bandwidth (data rate, full duplex) | 1.28 Tbps | 1.28 Tbps | 1.28 Tbps |
| Switch performance | 960 Mpps | 960 Mpps | 960 Mpps |
| Port-to-port latency | 850 ns | 3 μs | 3 μs |
| Dimensions and weight | Width: 43.99 cm (17.32 in.)
Height: 4.32 cm (1.75 in.) Depth: 40.99 cm (16.14 in.) Weight: 8.66 kg (19.1 lb) |
Width: 43.74 cm (17.22 in.)
Height: 4.27 cm (1.68 in.) Depth: 53.65 cm (21.12 in.) Weight: 10.82 kg (23.85 lb) |
Width: 43.74 cm (17.22 in.)
Height: 4.27 cm (1.68 in.) Depth: 53.65 cm (21.12 in.) Weight: 10.82 kg (23.85 lb) |
| 1/10 GbE SFP+ ports | Up to 64 | Up to 16 | Up to 16 |
| 1/10 GBASE-T | 0 | 48 | 48 |
| 40 GbE QSFP+ (10 GbE break-out cable) | 4 | 4 | 4 |
| 10 GbE Ports on Demand (PoD) | 24, 32, 40, 48, 56, 64 | 24, 32, 40, 48, 56, 64 | N/A |
| 10 GbE Capacity on Demand (CoD) | N/A | N/A | 16, 32, 48, |
| Power supplies | Two hot-swappable, load-sharing | Two hot-swappable, load-sharing | Two hot-swappable, load-sharing |
| Cooling fans | N+1 redundant, integrated into power supplies | N+1 redundant, five hot-swappable fan units | N+1 redundant, five hot-swappable fan units |
| Airflow | Front to back
Back to front |
Front to back
Back to front |
Front to back
Back to front |
| Connector options | Out-of-band Ethernet management: RJ-45 (fixed)
Console management: RJ-45 to RS-232 (fixed) Firmware and diagnostic: USB |
|---|---|
| Maximum VLANs | 4,096 |
| Maximum MAC addresses | 160,000 |
| Maximum port profiles (AMPP) | 1,024 |
| Maximum members in a standard LAG | 64 |
| Maximum per-port priority pause level | 8 |
| Maximum switches in a VCS fabric | 32 |
| Maximum ECMP paths in a VCS fabric | 16 |
| Maximum trunk members for VCS fabric ports | 16 |
| Maximum LAG groups in a VCS fabric | 512 |
| Maximum switches across which a vLAG can span | 8 |
| Maximum members in a vLAG | 64 |
| Maximum jumbo frame size | 9,216 bytes |
| Queues per port | 8 |
| DCB Priority Flow Control (PFC) classes | 8 |
| Maximum ACLs | 13,000 |
| Maximum ARP entries | 32,000 |
| Maximum IPv4 unicast routes | 12,000 |
| Maximum IPv6 unicast routes | 3,000 (*Note 2) |
*Note 1: Please refer to the latest version of the release notes for the most up-to-date scalability numbers.
*Note 2: Hardware supported.
| Operating system | Network OS 4.1.0 |
|---|---|
| Layer 2 switching features | - Address Resolution Protocol (ARP) RFC 826
- High availability/In-Service Software Upgrade—hardware-enabled - IGMP v1/v2 Snooping - MAC Learning and Aging - Link Aggregation Control Protocol (LACP) IEEE 802.3ad/802.1AX - Virtual Local Area Networks (VLANs) - VLAN Encapsulation 802.1Q - Private VLANs - Edge loop detection (ELD) - Per-VLAN Spanning Tree (PVST+/PVRST+) - Rapid Spanning Tree Protocol (RSTP) 802.1w - Multiple Spanning Tree Protocol (MSTP) 802.1s - STP PortFast, BPDU Guard, BPDU Filter - STP Root Guard - Layer 2 Access Control Lists (ACLs) - Pause Frames 802.3x - Uni-Directional Link Detection (UDLD) |
| Layer 3 switching features | - Border Gateway Protocol (BGP)
- DHCP Helper - Layer 3 ACLs - Multicast: PIM-SM - OSPF - Static routes - VRF Lite - VRF-aware OSPF, VRRP, Static routes - VRRP-E |
| VCS Fabric technology features | - Automatic Fabric Formation
- DHCP Option 66/67 (Auto Fabric Provisioning) - Distributed Configuration Management - Distributed Fabric Services - Equal Cost Multi-Path (ECMP) - Switch Beaconing - Transparent Interconnection of Lots of Links (TRILL) - Transparent LAN Services - Virtual Link Aggregation Group (vLAG) spanning - VRRP-E |
| Multi-tenancy and virtualization features | - TRILL FGL-based Virtual Fabric feature
- VCS Gateway for NSX with VMware NSX Orchestration - Automatic Migration of Port Profiles (AMPP) - VM-Aware Network Automation |
| DCB features | - Priority-based Flow Control (PFC) 802.1Qbb
- Enhanced Transmission Selection (ETS) 802.1Qaz - Data Center Bridging eXchange (DCBX) - DCBX Application Type-Length-Value (TLV) for FCoE and iSCSI |
| FCoE features
(Requires FCoE license) |
- Multihop Fibre Channel over Ethernet (FCoE); requires VCS Fabric technology
- FC-BB5 compliant Fibre Channel Forwarder (FCF) - Native FCoE forwarding - FCoE to Fibre Channel Bridging - FCoE on VDX 6740 and VDX 6740T - FCoE on QSFP+ port - End-to-end FCoE (initiator to target) - FCoE Initialization Protocol (FIP) v1 support for FCoE device login and initialization - Name Server-based zoning - Supports connectivity to FIP Snooping Bridge (FSB) device - FCoE traffic over standard LAG - Interface Binding |
| IP storage | - Auto QoS (automatic prioritization of IP storage traffic) |
| Quality of Service (QoS) | - ACL-based QoS
- Eight priority levels for QoS - Class of Service (CoS) IEEE 802.1p - DSCP Trust - DSCP to Traffic Class Mutation - DSCP to CoS Mutation - DSCP to DSCP Mutation - Random Early Discard - Per-port QoS configuration - ACL-based Rate Limit - Dual-rate three color token bucket - ACL-based remarking of CoS/DSCP/Precedence - ACL-based sFlow - Scheduling: Strict Priority (SP), Deficit Weighted Round-Robin (DWRR), Hybrid Scheduling (Hybrid) - Queue-based Shaping |
| Switch health monitoring | Fabric Watch monitoring and notification |
| Management and control | - IPv4/IPv6 management
- Industry-standard Command Line Interface (CLI) - Remote lights out management (future update) - Link Layer Discovery Protocol (LLDP) IEEE 802.1AB - Logical chassis management - MIB II RFC 1213 MIB - Switch Beaconing - Switched Port Analyzer (SPAN) - Telnet - SNMP v1, v2C, v3 - sFlow RFC 3176 - Out-of-band management - Remote SPAN (RSPAN) - RMON-1, RMON-2 - NTP - Management Access Control Lists (ACLs) - Role-Based Access Control (RBAC) - Range CLI support - UDLD - Netconf API - VCS Plugin for OpenStack |
|---|---|
| Security | - Port-based Network Access Control 802.1X
- RADIUS - TACACS+ - Secure Shell (SSHv2) - BPDU Drop - Lightweight Directory Access Protocol (LDAP) - Secure Copy Protocol |
| Enclosure | Front-to-rear, rear-to-front airflow; 1U, 19-inch EIA-compliant; power from non-port side |
|---|
| Temperature | Operating: 0°C to 40°C (32°F to 104°F)
Non-operating and storage: −25°C to 70°C (−13°F to 158°F) |
|---|---|
| Humidity | Operating: 10% to 85% non-condensing
Non-operating and storage: 10% to 90% non-condensing |
| Altitude | Operating: Up to 3,048 meters (10,000 feet)
Non-operating and storage: Up to 12 kilometers (39,370 feet) |
| Shock | Operating: 20 G, 11 ms half-sine
Non-operating and storage: Square wave, 44 G, 15 ms |
| Vibration | Operating: 0.5 G peak, 0.7 G ms random, 5 to 500 Hz
Non-operating and storage: 2.0 g sine, 1.4 G rms random, 5 to 500 Hz |
| Airflow | VDX 6740 port-side-intake and port-side-exhaust:
- Maximum: 25.7 CFM - Nominal: 11.5 CFM VDX 6740T port-side-intake: - Maximum: 49.3 CFM - Nominal: 26.3 CFM VDX 6740T port-side-exhaust: - Maximum: 51.9 CFM - Nominal: 27.3 CFM |
| Heat dissipation | 1672.41 BTU/hr |
| Power supplies | Two internal, redundant, field-replaceable, load-sharing AC power supplies |
|---|---|
| Power inlet | C13 |
| Input voltage | 85 to 264 VAC nominal |
| Input line frequency | 50 to 60 Hz |
| Inrush current | Limited to 30 A peak at 240 VAC during cold startup at 25°C ambient |
| Maximum current | 6 A max at 100 VAC/60 Hz |
| Maximum power consumption | VDX 6740: 110 W
VDX 6740T: 490 W VDX 6740T-1G: 490 W |
| - CAN/CSA C22.2 No. 60950-1-07 including
A1 / UL 60950-1-07, Ed. 2 including A1 - CAN/CSA-C22.2 No. 60950-1 Second Edition - EN 60950-1 Second Edition +A1/A12 - IEC 60950-1 Second Edition +A1 - GB 4943.1-2011 and GB9254-2008 - CNS14336-1(99) |
| - FCC Class A
- ICES-003 Class A - VCCI-Class A - CE - C-Tick - BSMI - GOST - KCC Class A - CCC |
| - ANSI C63.4
- ICES-003 Class A - CISPR22 and JEIDA (Harmonics) - EN55022 Class A and EN55024 - CISPR22 - AS/NZS CISPR22 - CNS 13438(95) - 51318.22-99 and 51318.24-99 - KN22 and KN24 - GB17625.1-2003 |
| RoHS-6 (with lead exemption) Directive 2002/95/EC |
| VDX 6740 products conform to the following Ethernet standards:
- IEEE 802.1D Spanning Tree Protocol - IEEE 802.1s Multiple Spanning Tree - IEEE 802.1w Rapid Reconfiguration of Spanning Tree Protocol - IEEE 802.3 Ethernet - IEEE 802.3ad Link Aggregation with LACP - IEEE 802.3ae 10G Ethernet - IEEE 802.1Q VLAN Tagging - IEEE 802.1p Class of Service Prioritization and Tagging - IEEE 802.1v VLAN Classification by Protocol and Port - IEEE 802.1AB Link Layer Discovery Protocol (LLDP) - IEEE 802.3x Flow Control (Pause Frames) - IEEE 802.3ab 1000BASE-T - IEEE 802.3z 1000BASE-X |
| The following draft versions of the Data Center Bridging (DCB) and Fibre Channel over Ethernet (FCoE) standards
are also supported on the VDX 6740: - IEEE 802.1Qbb Priority-based Flow Control - IEEE 802.1Qaz Enhanced Transmission Selection - IEEE 802.1 DCB Capability Exchange Protocol (Proposed under the DCB Task Group of IEEE 802.1 Working Group) - FC-BB-5 FCoE (Rev 2.0) |
| RFC 768 | User Datagram Protocol (UDP) | RFC 2328 | OSPF v2 (edge mode) |
|---|---|---|---|
| RFC 783 | TFTP Protocol (revision 2) | RFC 2460 | Internet Protocol, Version 6 (v6) Specification (on management interface) |
| RFC 791 | Internet Protocol (IP) | RFC 2370 | OSPF Opaque Link-State Advertisement (LSA)Option-Partial Support |
| RFC 792 | Internet Control Message Protocol (ICMP) | RFC 2385 | Protection of BGP Sessions with the TCP MD5 SignatureOption |
| RFC 793 | Transmission Control Protocol (TCP) | RFC 2439 | BGP Route Flap Damping |
| RFC 826 | ARP | RFC 2464 | Transmission of IPv6 Packets over Ethernet Networks (on management interface) |
| RFC 854 | Telnet Protocol Specification | RFC 2474 | Definition of the Differentiated Services Field in the IPv4 and IPv6 Headers |
| RFC 894 | A Standard for the Transmission of IP Datagram over Ethernet Networks | RFC 2571 | An Architecture for Describing SNMP Management Frameworks |
| RFC 1027 | Using ARP to Implement Transparent Subnet Gateways (Proxy ARP) | RFC 2865 | Remote Authentication Dial-In User Service (RADIUS) |
| RFC 959 | FTP | RFC 3101 | The OSPF Not-So-Stubby Area (NSSA) Option |
| RFC 1112 | IGMP v1 | RFC 3176 | sFlow |
| RFC 1157 | Simple Network Management Protocol (SNMP) v1 and v2 | RFC 3137 | OSPF Stub Router Advertisement |
| RFC 1305 | Network Time Protocol (NTP) Version 3 | RFC 3392 | Capabilities Advertisement with BGPv4 |
| RFC 1492 | TACACS+ | RFC 3768 | VRRP |
| RFC 1519 | Classless Interdomain Routing (CIDR) | RFC 4510 | Lightweight Directory Access Protocol (LDAP): Technical Specification Road Map |
| RFC 1584 | Multicast Extensions to OSPF | RFC 4271 | BGPv4 |
| RFC 1765 | OSPF Database Overflow | RFC 4292 | IP Forwarding MIB |
| RFC 1812 | Requirements for IP Version 4 Routers | RFC 4293 | Management Information Base for the Internet Protocol (IP) |
| RFC 1997 | BGP Communities Attribute | RFC 3411 | An Architecture for Describing SNMP Frameworks |
| RFC 2068 | HTTP Server | RFC 3412 | Message Processing and Dispatching for the SNMP |
| RFC 2131 | Dynamic Host Configuration Protocol (DHCP) | RFC 3413 | Simple Network Management Protocol (SNMP)Applications |
| RFC 2154 | OSPF with Digital Signatures (Password, MD-5) | RFC 4456 | BGP Route Reflection |
| RFC 2236 | IGMP v2 | RFC 4601 | Protocol Independent Multicast-Sparse Mode (PIM-SM): Protocol Specification (Revised) |
| RFC 2267 | Network Ingress Filtering | RFC 4893 | BGP Support for Four-Octet AS Number Space |
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