Extreme Networks ExtremeSwitching X770 32-port QSFP+ Switch
High Density, Low Latency 40 Gigabit Ethernet Top-of-Rack Switch
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The Summit X770 series switches are purpose-built top-of-rack switches designed to support 10 Gigabit Ethernet-enabled servers and emerging 40 Gigabit Ethernet-enabled servers in enterprise and cloud data centers. Summit X770 helps optimize new server deployments by supporting 40GbE ports natively or using breakout cables and/or fiber to support 10GbE ports to start the transition to the new virtualized environment.
The Summit X770 switch supports up to 104 ports of 10GbE in one system and 816 ports of 10GbE in a stacked system using high-speed SummitStack. The Summit X770 model supports 3 different stacking methods: SummitStack-320, SummitStack-160, and SummitStack-V. SummitStack-320 uses 4 ports of QSFP+ 40GbE providing 320 Gbps of stacking bandwidth in a stacked ring architecture full duplex. SummitStack-160 uses 2 ports of QSFP+ 40GbE resulting in 160 Gbps of stacking bandwidth. And SummitStack-V uses 2 ports of 10GbE, created from converting 2 ports of QSFP+ 40GbE into 2 ports of 10GbE connections, creating 40 Gbps of stacking bandwidth.
The Summit X770 series provides high density Layer 2/3 switching with MPLS and with low latency cut-through switching, and IPv4 and IPv6 unicast and multicast routing to enable enterprise aggregation and core backbone deployment in AC-powered and DC-powered environments as well as Front-to-Back and Back-to-Front airflow models.
The Summit X770 provides store-and-forward as well as cut-through forwarding options. The latency of 64-byte packets using cut-through forwarding is less than 600 nanoseconds.
Summit X770 series include the ExtremeXOS modular operating system. The high availability ExtremeXOS operating system provides simplicity and ease of operation through the use of one OS everywhere in the network.
- Stackable switch for servers in enterprise and cloud data centers
- 40 GbE core switch for a small network
- 40 GbE aggregation switch in a traditional three-tiered network
40 Gigabit Ethernet & 10 Gigabit Ethernet Ports
The Summit X770 model provides 32 x 40 GbE QSFP+ ports which can accept QSFP+ passive and active cables, as well as QSFP+ transceivers. 40 GbE ports can be configured as a 40 GbE port or as four 10 GbE ports. The 10 GbE port mode can be supported by a 40GBASE-SR4 QSFP+ transceiver and fan-out optical cables, and is compatible with the 10GBASE-SR optical interface for distances up to 100 meters. 24 of the 32 QSFP+ ports can be broken into 4 ports of 10GbE. The remaining 4 ports of QSFP+ can also be converted into a single port of 10GbE giving a maximum of 104 ports of 10GbE connections in a 1 RU device. The Summit X770 is capable of Layer 2 and Layer 3 forwarding at up to 1904 million packets per second forwarding rate.
Summit X770 supports three different types of stacking: SummitStack-320, SummitStack-160, and SummitStack-V. SummitStack-320 provides high speed stacking running at 320 Gbps through the SummitStack-320 technology. SummitStack-320 can be enabled on four 40 Gigabit Ethernet QSFP+ ports as stacking interfaces. SummitStack-160 provides high-speed stacking running at 160 Gbps through the SummitStack-160 technology. SummitStack-160 can be enabled on two 40 Gigabit Ethernet QSFP+ ports as stacking interfaces. SummitStack-V provides high-speed stacking running at 40 Gbps through the SummitStack-V technology. SummitStack-V can be enabled on two 40 Gigabit Ethernet QSFP+ ports configured as 10GbE stacking interfaces.
1588 Precision Time Protocol (PTP)
Summit X770 offers Boundary Clock (BC), Transparent Clock (TC), and Ordinary Clock (OC) for synchronizing phase and frequency and allowing the network and the connected devices to be synchronized down to microseconds of accuracy over Ethernet connection.
Low Latency Switching for High-Frequency Trading and Cluster Computing
Summit X770 can achieve latency less than 600 nanoseconds and supports cut-through switching to help optimize the high frequency trading application as well as latency-sensitive cluster computing.
Green Design – Low Power Consumption with Optimized Cooling Options
The Summit X770 series is designed to be environmentally green. System power consumption is very low at both high-load and idle situations through the power-efficient hardware design. The power supplies are also highly efficient, which minimizes the loss of power and unnecessary heat generated by the power supply. Summit X770 series switches can be used in AC or DC powered environments.
Designed for Cloud Data Centers – VEPA, XNV, DCB, OpenFlow, OpenStack
Summit X770 has a variety of features that fit your data center needs.
Direct Attach (VEPA)
With the optional feature pack, Summit X770 switches can support Direct Attach (VEPA), which eliminates the virtual switch layer, simplifying the network and improving performance. Direct Attach enables data center simplification by reducing network tiers from 4 or 5 tiers to just 3 or 2 tiers, depending on the size of the data center.
ExtremeXOS Network Virtualization (XNV)
To further enhance data center operations, Summit X770 switches support XNV (ExtremeXOS Network Virtualization), which is natively supported in the ExtremeXOS operating system and is a licensable feature pack for Ridgeline, a network and service management application, sold separately. XNV provides insight, control and automation for virtualized data centers. PFC Summit X770 switches also support Priority-based Flow Control (PFC, or IEEE 802.1Qbb), which allows network traffic to be controlled independently based on Class of Service. PFC allows network traffic that requires lossless throughput to be prioritized, while other traffic types that do not require or perform better without PFC can continue as normal.
Data Center Bridging (DCB)
The Summit X770 series supports Data Center Bridging features such as Priority Flow Control (PFC), Enhanced Transmission Selection (ETS) and Data Center Bridging eXchange (DCBX) for data center convergence.
Software Defined Networking (SDN) Openflow
ExtremeXOS implementations of OpenFlow APIs allow an external OpenFlow-based SDN controller to access and control the forwarding plane of ExtremeXOS network devices. ExtremeXOS-based switches offer a programming interface through OpenFlow to enable a high degree of automation in provisioning network services for many upper layer businesscritical applications running the OpenFlow-based SDN controller.
ExtremeXOS-based switches also allow for integration with the OpenStack open source cloud computing platform for public and private clouds through the Extreme Networks Quantum plugin. The plugin provides a scalable, automated, rich APIdriven system that enables networking-as-a- service model managing data center interconnect solutions and large multitenant networks.
In a virtualized environment there is a requirement to support multiple tenants. In an effort to isolate tenants from each other, logical separation is established at Layer 3 and Layer 2 level. ExtremeXOS supports multiple, isolated Layer 3 forwarding domains by way of Virtual Routers.
Enterprise Core Class Scalability
The Summit X770 series offers more cost-effective 10 Gigabit Ethernet switches, for both small-sized core backbone and traditional three-tier network architectures. Summit X770 series can support 10 Gigabit Ethernet campus aggregations with its core class routing and switching scalability.
One Operating System
Extreme Networks simplifies network operation by offering one common OS – ExtremeXOS – throughout the BlackDiamond and Summit portfolio. From 10/100 Mbps switching products such as Summit X430 and Summit X440 to the multi-10 gigabit core backbone BlackDiamond modular chassis switches, all switches can run the same version of the OS, which helps deploy, operate and maintain your entire network and reduce operating costs.
Top of Rack Switch for Servers in the Enterprise Data Center
Modular Operating System for Non-Stop Operation
Loadable Software Modules
The modular design of the ExtremeXOS OS allows the adding or upgrading of individual software modules dynamically without requiring a system reboot, leading to higher availability in the network.
Preemptive Multitasking and Protected Memory
Summit X770 series switches allow each of many applications— such as Open Shortest Path First (OSPF) and Spanning Tree Protocol (STP)—to run as separate OS processes that are protected from each other. This drives increased system integrity and inherently protects against cross-platform DoS attacks.
Process Monitoring and Restart
ExtremeXOS increases network availability using process monitoring and restart. Each independent OS process is monitored in real time. If a process becomes unresponsive or stops running, it can be automatically restarted.
Rich OAM Suite – CFM, Y.1731, BFD
Summit X770 series switches supports a rich suite of protocols to help with Operations, Administration and Maintenance. Connectivity Fault Management (CFM) allows detection, verification, and isolation of connectivity failures in virtual bridged LAN. Y.1731 is largely similar to CFM but also supports performance management by way of frame delay and frame delay variation measurements. Bidirectional Forwarding Detection (BFD) is a hello protocol that provides the rapid detection of failures in the forwarding path and helps the separation of control plane connectivity from forwarding plane connectivity. By having multiple control plane protocols like OSPF or MPLS rely on BFD to detect forwarding plane connectivity failures, network operators can benefit from simpler network profiling and planning, and consistent and predictable re-convergence times.
On the Summit X770 series switches MPLS can be enabled, if needed, by way of an optional feature pack. MPLS provides the ability to implement traffic engineering and multi-service networks, and improve network resiliency. The MPLS protocol suite provides the ability to deploy services based on L2VPNS (VPLS/VPWS), BGP-based L3VPNS; LSP Establishment based on LDP, RSVP-TE, Static provisioning; Integrated OAM tools like VCCV, BFD and CFM; And MPLS Fast Reroute to support rapid local convergence around network failures.
Summit X770 High Speed Uplink Option
High Availability Network Protocols
Ethernet Automatic Protection Switching (EAPS)
EAPS allows the IP network to provide the level of resiliency and uptime that users expect from their traditional voice network. EAPS is more adaptable than Spanning Tree or Rapid Spanning Tree protocols and can achieve sub-second (less than 50 milliseconds) recovery that delivers consistent failover regardless of the number of VLANs, network nodes or network topology in Extreme Networks-recommended configurations.. EAPS functionality increases network recovery time, which results in significant reduction in Voice-over IP call drop rates and improvement in digital video performance in supported solution configurations.
Spanning Tree/Rapid Spanning Tree Protocols
Summit X770 supports Spanning Tree (802.1D), Per VLAN Spanning Tree (PVST+), Rapid Spanning Tree (802.1w) and Multiple Instances of Spanning Tree (802.1s) protocols for Layer 2 resiliency.
Software-enhanced availability allows users to remain connected to the network even if part of the network infrastructure is down. Summit X770 continuously checks for problems in the uplink connections using advanced Layer 3 protocols such as OSPF, VRRP and Extreme Standby Router Protocol (ESRP, supported in Layer 2 or Layer 3), and dynamically routes traffic around the problem.
Equal Cost Multipath
Equal Cost Multipath (ECMP) routing allows uplinks to be load balanced for performance and cost savings while also supporting redundant failover. If an uplink fails, traffic is automatically routed to the remaining uplinks and connectivity is maintained.
Link Aggregation (802.3AD)
Link aggregation allows trunking of up to eight links on a single logical connection, for up to 80 Gbps of redundant bandwidth per logical connection.
Multi-Switch LAG (M-LAG)
M-LAG can address bandwidth limitations and improve network resiliency, in part by routing network traffic around bottlenecks, reducing the risks of a single point of failure, and allowing load balancing across multiple switches.
Summit X770 series switches support a dual redundant AC/DC power supply to provide high availability. The power supply can be hot-swapped and replaced should it fail. Summit X770 also supports standardized N+1 redundant hot-swappable fan units.
Robust IP and MAC Security Framework
Media Access Control (MAC) Lockdown
MAC security allows the lockdown of a port to a given MAC address and limiting the number of MAC addresses on a port. This capability can be used to dedicate ports to specific hosts or devices such as VoIP phones or printers and avoid abuse of the port—a capability that can be especially useful in environments such as hotels. In addition, an aging timer can be configured for the MAC lockdown, protecting the network from the effects of attacks using (often rapidly) changing MAC addresses.
ExtremeXOS IP security framework helps protect the network infrastructure, network services such as DHCP and DNS and host computers from spoofing and man-in-the-middle attacks. It also protects the network from statically configured and/or spoofed IP addresses and builds an external trusted database of MAC/ IP/port bindings providing the traffic's source from a specific address for immediate defense.
Identity Manager allows network managers to track users who access their network. User identity is captured based on NetLogin authentication, LLDP discovery and Kerberos snooping. ExtremeXOS uses the information to then report on the MAC, VLAN, computer hostname, and port location of the user. Further, Identity Manager can create both roles and policies, and then bind them together to create role-based profiles based on organizational structure or other logical groupings, and apply them across multiple users to allow appropriate access to network resources. In addition, support for Wide Key ACLs further improves security by going beyond the typical source/ destination and MAC address as identification criteria access mechanism to provide filtering capabilities.
Threat Detection and Response
CLEAR-Flow Security Rules Engine
CLEAR-Flow Security Rules Engine provides first-order threat detection and mitigation, and mirrors traffic to security appliances for further analysis of suspicious traffic in the network. SFLOW Summit X770 series supports hardware-based sFlow sampling that provides the ability to sample application-level traffic flows on all interfaces simultaneously. PORT MIRRORING To allow threat detection and prevention, Summit X770 supports many-to-one and one-to-many port mirroring. This allows the mirroring of traffic to an external network appliance such as an intrusion detection device for trend analysis or for utilization by a network administrator for diagnostic purposes. Port mirroring can also be enabled across switches in a stack.
Line-Rate Ingress and Egress ACLs
ACLs are one of the most powerful components used in controlling network resource utilization as well as in protecting the network. Summit X770 series supports up to 4,096 ingress ACLs and 1,024 egress ACLs per system based on Layer 2-, 3- or 4-header information such as the MAC or IP source/ destination address. ACLs are used for filtering the traffic, as well as classifying the traffic flow to control bandwidth, priority, mirroring, and policy-based routing/switching.
Denial of Service Protection
Summit X770 series effectively handles Denial of Service (DoS) attacks. If the switch detects an unusually large number of packets in the CPU input queue, it assembles ACLs that automatically stop these packets from reaching the CPU. After a period of time these ACLs are removed, and reinstalled if the attack continues. ASIC-based LPM routing eliminates the need for control plane software to learn new flows, allowing more network resilience against DoS attacks.
Secure and Comprehensive Network Management
As the network becomes a foundation of the enterprise application, network management becomes an important piece of the solution. Summit X770 supports comprehensive network management through Command Line Interface (CLI), SNMP v1, v2c, v3, and ExtremeXOS ScreenPlay embedded XML-based Web user interface. With a variety of management options and consistency across other Extreme Networks modular and stackable switches, Summit X770 series switches provide ease of management for demanding converged applications.
Extreme Networks has developed tools that simplify and help in efficiently managing your network. Ridgeline network and service management provides fault, configuration, accounting, performance and security functions, allowing more effective management of Extreme Networks products, solutions and thirdparty devices in a converged network.
|ExtremeSwitching X770 Series Specification
|Quality of Service and Policies
|QOS, Rate Limiting
|Power Supply Support
|Sumit X770 Fan Module
|Operating Temperature Range
|0° C to 45° C (32° F to 113° F)
|10% to 95% relative humidity, non-condensing
|0-3,000 meters (9,850 feet)
|Operational Shock (Half Sine)
|30 m/s2 (3 g), 11ms, 60 Shocks
|Operational Random Vibration
|3-500 MHz @ 1.5g rms
|Storage & Transportation Conditions (Packaged)
|-40° C to 70° C (-40° F to 158° F)
|Storage & Transportation Humidity
|10% TO 95% RH, Non-Condensing
|Packaged Shock (Half Sine)
|180 m/s2 (18 g), 6ms, 600 shocks
|Packaged Sine Vibration
|5-62 Hz @ Velocity 5mm/s, 62-500 Hz @ 0.2G
|Packaged Random Vibration
|5-20 Hz @ 1.0 ASD w/-3dB/oct. from 20-200 Hz
|Sides & Corners
|14 drops min on sides & corners @ 42" (<15 kg box)
|Summit X770-32q (FB)
|61.2 (LpA) Low, 70.7 (LpA) High Sound Pressure (dB(A))
|Summit X770-32q (BF)
|60.4 (LpA) Low, 69.8 dB(A) (LpA) High Sound Pressure (dB(A))
|North American Safety of ITE
|European Safety of ITE
|International Safety of ITE
|North America EMC Standards
|European EMC Standards
|International EMC Standards
|IEEE 802.3 Media Access Standards
|Summit 550W AC PSU
|Summit 550W DC PSU
Measured power consumption with direct attach passive copper cables.
|Summit X770 Series Power
|100% Traffic with Passive Copper Cables
|100% Traffic with 32 QSFP+ Optics
|Summit 550W AC PSU
|Summit 550W DC PSU
Download the Extreme Networks Summit X770 Series Datasheet (.PDF)
- Pricing and product availability subject to change without notice.