SLX 9850 Router
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With 230 terabit extensibility, real time network visibility, and DevOps-style automation, the ExtremeRouting SLX 9850 handily addresses the massive and growing scale, analytics, and agility needs of the digital business world. It’s an open, flexible platform that gives service providers and enterprises the power to deliver high-performance services on demand.

Scalable, High-Density Design

  • Industry-leading 10/40/100 GbE price and port density per interface module
  • High-density 1.5U interface module scales to 4 million routes, 2 million full-color statistics, and 2 million policies
  • Industry-leading deep buffers optimize support for bursty traffic patterns
  • 230 Tbps chassis fabric capacity supports massive traffic scale

High-Performance Analytics

  • Dedicated bidirectional internal analytics path to data traffic ensures high-performance analytics with no disruption to production traffic
  • Open environment runs third-party applications for improved operational efficiency, monitoring, and troubleshooting
  • Flexible, high-performance data streaming via in-band ports or out-of-band dedicated 10 GbE services port
  • Industry-leading 256 GB of dedicated storage for analytics

Future-Ready Platform

Support the unending growth in device and service demands today and well into the future with the SLX 9850 extensible architecture delivering cost-effective density, scale, and performance.

Embedded Network Visibility

Provide pervasive visibility to enable in-depth real-time network analytics, monitoring, and troubleshooting for efficient operations with the Extreme SLX™ Insight Architecture powered by the Extreme SLX-OS.

DevOps Style Automation

Improve business agility and accelerate innovation with customizable cross-domain full lifecycle automation, delivered by the SLX 9850 and Extreme Workflow Composer™ platform and Automation Suites.

SLX 9850 Features
SLX 9850-4SLX 9850-8
Interface module slots48
Management module slots22
Power supply module slots33
Fan module slots33
Switch fabric module slots66
Maximum 100 GbE ports144288
Maximum 40 GbE ports240480
Maximum 10 GbE ports9601,920
Maximum 1 GbE ports288576
Switch fabric capacity (up to)115 Tbps230 Tbps
Management module redundancy1:11:1
Switch fabric module redundancyN+1N+1
AirflowFront to backFront to back
Typical AC power consumption (W)4,1778,099
Maximum AC power consumption (W)5,95711,492
Maximum thermal output (BTU-HR)19,46537,980
Height (inches/ centimeters/ rack units)17.50 in./ 44.45 cm/ 10 RU29.75 in./ 75.57 cm/ 17 RU
Width (inches/ centimeters)17.22 in./ 43.74 cm17.22 in./ 43.74 cm
Depth chassis only without ejector or fan handles (inches/ centimeters)30.0 in./ 76.20 cm30.0 in./ 76.2 cm
Weight chassis only (pounds/ kilograms)107 lb/ 49 kg179 lb/ 82 kg
Weight chassis with all modules (pounds/ kilograms)303 lb/ 38 kg541 lb/ 246 kg
SLX 9850 Interface Specifications
Dual-Speed (D)
72-port 10 GbE
Flex-Speed (D)
36-port 100 GbE
Dual-Speed (M)
72-port 10 GbE
Flex-Speed (M)
36-port 100 GbE
100 GbE ports per moduleN/A36N/A36
40 GbE ports per moduleN/A60N/A60
10 GbE ports per module7224072240
1 GbE ports per module72N/A72N/A
Port type10 GbE
1 GbE
100 GbE QSFP-28
40 GbE
10 GbE breakout
10 GbE
1 GbE
100 GbE QSFP-28
40 GbE
10 GbE breakout
Packet buffers per module8 GB24 GB12 GB36 GB
Route scale256,000 (IPv4)256,000 (IPv4)1,000,000 (IPv4)1,000,000 (IPv4)
MPLSNoNoYesYes
Carrier Ethernet 2.0NoNo YesYes
Typical AC power consumption (W)250617250617
Maximum AC power consumption (W)362856362856
SLX 9850 IEEE Compliance
802.3-2005 CSMA/CD Access Method and Physical Layer Specifications
802.3ab 1000BASE-T
802.3ae 10 Gigabit Ethernet
802.3u 100BASE-TX, 100BASE-T4, 100BASE-FX Fast Ethernet at 100 Mbps with Auto-Negotiation
802.3x Flow Control
802.3z 1000BASE-X Gigabit Ethernet over fiber optic at 1 Gbps
802.3ad Link Aggregation
802.1Q Virtual Bridged LANs
802.1D MAC Bridges
802.1w Rapid STP
802.1s Multiple Spanning Trees
802.1ag Connectivity Fault Management (CFM)
8023.ba 100 Gigabit Ethernet
802.1ab Link Layer Discovery Protocol
802.1x Port-Based Network Access Control
802.3ah Ethernet in the First Mile Link OAM3
ITU-T G.8013/Y.1731 OAM mechanisms for Ethernet
SLX 9850 RFC Compliance
General ProtocolsRFC 768 UDP
RFC 791 IP
RFC 792 ICMP
RFC 793 TCP
RFC 826 ARP
RFC 854 TELNET
RFC 894 IP over Ethernet
RFC 903 RARP
RFC 906 TFTP Bootstrap
RFC 950 Subnet
RFC 951 BootP
RFC 1027 Proxy ARP
RFC 1042 Standard for the Transmission of IP
RFC 1166 Internet Numbers
RFC 1122 Host Extensions for IP Multicasting
RFC 1191 Path MTU Discovery
RFC 1340 Assigned Numbers
RFC 1519 CIDR
RFC 1542 BootP Extensions
RFC 1591 DNS (client)
RFC 1812 Requirements for IPv4 Routers
RFC 1858 Security Considerations for IP Fragment Filtering
RFC 2131 BootP/DHCP helper
RFC 2578 Structure of Management Information Version 2
RFC 2784 Generic Routing Encapsulation
RFC 3021 Using 31-Bit Prefixes on IPv4 Point-to-Point Links
RFC 3768 VRRP
RFC 4001 textual Conventions for Internet Network Addresses
RFC 4950 ICMP Extensions for MPLS
RFC 5880 Bidirectional Forwarding Detection
RFC 5881 Bidirectional Forwarding Detection for IPv4 and IPv6 (Single Hop)
RFC 5882 Generic Application of Bidirectional Forwarding Detection
RFC 5884 Bidirectional Forwarding Detection for Multihop Paths
BGP4RFC 1745 OSPF Interactions
RFC 1772 Application of BGP in the Internet
RFC 1997 Communities and Attributes
RFC 2385 BGP Session Protection via TCP MD5
RFC 2439 Route Flap Dampening
RFC 2918 Route Refresh Capability
RFC 3392 Capability advertisement
RFC 3682 generalized ttL Security Mechanism, for eBGP Session Protection
RFC 4271 BGPv4
RFC 4456 Route Reflection
RFC 4486 Sub Codes for BGP Cease Notification Message
RFC 4724 Graceful Restart Mechanism for BGP
RFC 4893 BGP Support for Four-octet aS Number Space
RFC 5065 BGP4 Confederations
RFC 5291 Outbound Route Filtering Capability for BGP-4
RFC 5396 textual Representation of autonomous System (aS) Numbers
RFC 5668 4-Octect AS specific BGP extended Community
OSPFRFC 1745 OSPF Interactions
RFC 1765 OSPF Database Overflow
RFC 2154 OSPF with Digital Signature (Password, MD-5)
RFC 2328 OSPF v2
RFC 3101 OSPF NSSA
RFC 3137 OSPF Stub Router Advertisement
RFC 3630 TE Extensions to OSPF v2
RFC 3623 Graceful OSPF Restart
RFC 4222 Prioritized Treatment of Specific OSPF Version 2
RFC 5250 OSPF Opaque LSA Option
IS-ISRFC 1195 Routing in TCP/IP and Dual environments
RFC 1142 OSI IS-IS Intra-Domain Routing Protocol
RFC 3277 IS-IS Blackhole Avoidance
RFC 5120 IS-IS Multi-topology Support
RFC 5301 Dynamic Host Name Exchange
RFC 5302 Domain-Wide Prefix Distribution
RFC 5303 three-Way handshake for IS-IS Point-to-Point
RFC 5304 IS-IS Cryptographic authentication(MD-5)
RFC 5306 Restart Signaling for iSiS (helper mode)
RFC 5309 Point-to-point operation over LAN in link state routing protocols
IPv4 MulticastRFC 1122 IGMP v1
RFC 2236 IGMP v2
RFC 4601 PIM-SM
RFC 4607 PIM-SSM
RFC 4610 Anycast RP using PIM
RFC 5059 BSR for PIM
QoSRFC 2474 DiffServ Definition
RFC 2475 An Architecture for Differentiated Services
RFC 2597 assured Forwarding PhB group
RFC 2697 Single Rate three Color Marker
RFC 2698 A two-Rate three-Color Marker
RFC 3246 An expedited Forwarding PHB
IPv6 CoreRFC 1887 IPv6 Unicast Address Allocation Architecture
RFC 1981 IPv6 Path MTU Discovery
RFC 2375 IPv6 Multicast Address Assignments
RFC 2450 Proposed TLA and NLA Assignment Rules
RFC 2460 IPv6 Specification
RFC 2462 IPv6 Stateless address—auto-Configuration
RFC 2464 transmission of IPv6 over Ethernet Networks
RFC 2471 IPv6 testing address allocation
RFC 2711 IPv6 Router alert Option
RFC 3587 IPv6 global Unicast—address Format
RFC 4193 Unique Local IPv6 Unicast addresses
RFC 4291 IPv6 addressing architecture
RFC 4301 IP Security architecture
RFC 4303 encapsulation Security Payload
RFC 4305 eSP and ah cryptography
RFC 4443 ICMPv6
RFC 4552 auth for OSPFv3 using ah/eSP
RFC 4835 Cryptographic alg. Req. for eSP
RFC 4816 Neighbor Discovery for IP version 6 (IPv6)
IPv6 RoutingRFC 2740 OSPFv3 for IPv6
RFC 2545 Use of BGP-MP for IPv6
RFC 5308 Routing IPv6 with IS-IS
RFC 6106 Support for IPv6 Router advertisements with DNS attributes
RFC 6164 Using 127-Bit IPv6 Prefixes on inter-Router Links
MPLSRFC 2205 RSVP v1 Functional Specification
RFC 2209 RSVP v1 Message Processing Rules
RFC 2702 TE over MPLS
RFC 2961 RSVP Refresh Overhead Reduction extensions
RFC 3031 MPLS architecture
RFC 3032 MPLS Label Stack encoding
RFC 3037 LDP applicability
RFC 3097 RSVP Cryptographic authentication
RFC 3209 RSVP-TE
RFC 3270 MPLS Support of Differentiated Services
RFC 3478 LDP Gracefil Restart
RFC 3815 Definition of Managed Objects for the MPLS, LDP
RFC 4090 Fast Reroute extensions to RSVP-te for LSP tunnels; partial support
RFC 4364 BGP/MPLS IP Virtual Private Networks
RFC 4379 OAM
RFC 4448 encapsulation methods for transport of Ethernet over MPLS networks
RFC 4461 Signaling Requirements for Point-to-MultIPoint Traffic-Engineered MPLS Label Switched Path(LSR)
RFC 4875 extensions to RSVP-te for P2MP teLSPs
RFC 5036 LDP Specification•RFC 5305 iSi S- te
RFC 5305 IS-IS TE
RFC 5443 LDP IGP Synchronization
RFC 5561 LDP Capabilities
RFC 5712 MPLS Traffic Engineering Soft Preemption
RFC 5918 LDP "Typed Wildcard" FEC
RFC 5919 Signaling LDP Label advertisement Completion
Layer 2 VPN and PWE3RFC 3343 TTL Processing in MPLS Networks
RFC 3985 Pseudowire emulation edge to edge (PWe3) architecture
RFC 4364 BGP/MPLS IP Virtual Private Networks
RFC 4447 Pseudowire Setup and Maintenance using LDP4
RFC 4448 encapsulation methods for transport of Ethernet over MPLS networks
RFC 4664 Framework for Layer 2 Virtual Private Networks
RFC 4665 Service Requirements for Layer 2 Provider-Provisioned Virtual Private Networks
RFC 4762 VPLS using LDP Signaling
RFC 5542 Definitions of Textual Conventions for Pseudowire (PW) Management
RFC 5601 Pseudowire (PW) Management information Base
RFC 6870 PW Preferential Forwarding Status Bit
RFC 7432 BGP MPLS-Based Ethernet VPN - Partial
*draft-sd-l2vpn-evpn-overlay-03 (A Network Virtualization Overlay Solution using EVPN) Partial
*draft-ietf-bess-evpn-overlay-04 (A Network Virtualization Overlay Solution using EVPN with VXLAN encapsulation) Partial
SLX 9850 Management and Visibility
Integrated industry-standard Command Line Interface (CLI)
RFC 854 Telnet
RFC 2068 HTTP
RFC 2818 HTTPS
RFC 3176 sFlow v5
sFlow extension to VXLAN
RFC 4253 Secure Shell (SSH)
Secure Copy (SCP v2)
SFTP
RFC 4741 NETCONF (Partial)
OpenFlow 1.3
Chrome
Curl
Tcpdump
Wireshark
SNMP v1, v2c, v3
RFC 2819 RMON Groups 1, 2, 3, 9
IEEE8021-PAE-MIB
IEEE802 LLDP MIB
IEEE8023-LAG-MIB
RFC 1213 MIB-II
RFC 1354 IP Forwarding MIB
RFC 1493 Bridge MIB
RFC 1850 OSPF v2 MIB
RFC 2665 Ethernet Interface MIB
RFC 2674 Dot1q MIB
RFC 2863 Interfaces Group MIB
RFC 3635 Ethernet-like MIB
RFC 3811 MPLS TC STD MIB
RFC 3812 MPLS TE STD MIB
RFC 3813 MPLS LSR MIB
RFC 3826 SNMP-USM-AES MIB
RFC 4087 IP Tunnel MIB
RFC 4133 Entity MIB (version 3)
RFC 4273 BGP-4 MIB
RFC 4293 IP MIB
RFC 4444 ISIS MIB
RFC 7257 VPLS MIB
RFC 7331 BFD MIB
SLX 9850 Element Security
AAA
Username/Password (Challenge and Response)
Bi-level Access Mode (Standard and EXEC Level)
Role-Based Access Control (RBAC)
RFC 2865 RADIUS
RFC 2866 RADIUS Accounting
TACACS/TACACS+
RFC 5905 NTP Version 4
NTPdate
RFC 5961 TCP Security
RFC 4253 Secure Shell (SSH)
Secure Copy (SCP v2) SFTP
HTTPS
RFC 4346 TLS 1.1
RFC 5246 TLS 1.2
Protection against Denial of Service (DoS) attacks such as TCP SYN or Smurf Attacks
SLX 9850 Environmental
Operating temperature: 0°C to 40°C (32°F to 104°F)
Storage temperature: –25°C to 55°C (–13°F to 131°F)
Relative humidity: 5% to 90%, at 40°C (104°F), non-condensing
Storage humidity: 95% maximum relative humidity, non-condensing
Operating altitude: 6,600 ft (2,012 m)
Storage altitude: 15,000 ft (4,500 m) maximum
SLX 9850 Safety Agency Approvals
CAN/CSA-C22.2 No. 60950-1-07
ANSI/UL 60950-1
IEC 60950-1
EN 60950-1 Safety of Information Technology Equipment
EN 60825-1
EN 60825-2
SLX 9850 Electromagnetic Emission
ICES-003 Electromagnetic Emission
FCC Title 47, Part 15, Subpart B, Class A
EN 55032; AS/NZS CISPR 32 Class A/VCCI Class
AS/NZS 55032
EN 61000-3-2 Power Line Harmonics
EN 61000-3-3 Voltage Fluctuation and Flicker
IICES-003 Electromagnetic Emission
SLX 9850 Power and Grounding
ETS 300 132-1 Equipment Requirements for AC Power Equipment Derived from DC Sources
ETS 300 132-2 Equipment Requirements for DC Powered Equipment
ETS 300 253 Facility Requirements
SLX 9850 Physical Design and Mounting
Rack mount 19-inch rack mount supporting racks compliant with:
• ANSI/EIA-310-D
• GR-63-CORE Seismic Zone 4
SLX 9850 Environmental Regulatory Compliance
EU 2011 65 EU RoHS
EU 2012 19 EU WEEE
EC 1907 2006 REACH
SLX 9850 Ordering Information
SLX 9850 Chassis Bundles
BR-SLX9850-4-BND-ACSLX 9850 four-slot chassis with one management module, five switch fabric modules, two
3,000 W AC power supplies, three fan modules, and accessory kit. Power cord not included.
BR-SLX9850-4-BND-DCSLX 9850 four-slot chassis with one management module, five switch fabric modules, two
3,000 W DC power supplies, three fan modules, and accessory kit. Power cord not included.
BR-SLX9850-8-BND-ACSLX 9850 eight-slot chassis with one management module, five switch fabric modules, four
3,000 W AC power supplies, three fan modules, and accessory kit. Power cord not included.
BR-SLX9850-8-BND-DCSLX 9850 eight-slot chassis with one management module, five switch fabric modules, four
3,000 W DC power supplies, three fan modules, and accessory kit. Power cord not included.
SLX 9850 Interface Modules
BR-SLX9850-10GX72S-DSLX 9850 72-port 10 GbE/1 GbE dual-speed (D) interface module with IPv4/IPv6 hardware
support. Requires SFP+ optics for 10 GbE connectivity, and SFP optics for 1 GbE connectivity. Supports
750,000 MAC, 256,000 IPv4 routes, and 64,000 IPv6 routes
BR-SLX9850-100GX36CQ-DSLX 9850 36-port 100 GbE, 60-port 40 GbE, or 240-port 10 GbE flex-speed (D) interface
module with IPv4/IPv6 hardware support. Requires QSFP28 optics for 100 GbE connectivity, QSFP+
optics for 40 GbE connectivity, and 40 GbE to 10 GbE breakout for 10 GbE connectivity. Supports
750,000 MAC, 256,000 IPv4 routes, and 64,000 IPv6 routes.
BR-SLX9850-10GX72S-MSLX 9850 72-port 10 GbE/1 GbE dual-speed (M) interface module with IPv4/IPv6/MPLS
hardware support. Requires SFP+ optics for 10 GbE connectivity and SFP optics for 1 GbE connectivity.
Supports 750,000 MAC, 256,000 IPv4 routes, and 64,000 IPv6 routes.
BR-SLX9850-100GX36CQ-M SLX 9850 36-port 100 GbE, 60-port 40 GbE, or 240-port 10 GbE flex-speed (M) interface
module with IPv4/IPv6/MPLS hardware support. Requires QSFP28 optics for 100 GbE, QSFP+
optics for 40 GbE, and 40 GbE to 10 GbE breakout for 10 GbE connectivity. Supports 750,000 MAC,
256,000 IPv4 routes, and 64,000 IPv6 routes.
SLX 9850 Field-Replaceable Units
XBR-SLX9850-4-S SLX 9850 spare four-slot chassis
XBR-SLX9850-8-S SLX 9850 spare eight-slot chassis
BR-SLX9850-MMSLX 9850 management module for four-slot and eight-slot systems. Includes 16 GB RAM, two
internal Solid State Drives, four-core Intel CPU, two USB 3.0 ports, two RJ-45 console ports, and
10 GbE services port.
BR-SLX9850-4-SFMSLX 9850 switch fabric module for four-slot chassis.
BR-SLX9850-8-SFM SLX 9850 switch fabric module for eight-slot chassis.
XBR-SLX9850-ACPWR-3000 SLX 9850 AC 3,000 W power supply for four- and eight-slot chassis, 90 V to 270 V AC input.
XBR-SLX9850-DCPWR-3000 SLX 9850 DC 3,000 W power supply for four- and eight-slot chassis, 48 V DC input.
XBR-SLX9850-4-FANMSLX 9850 fan module for four-slot chassis. Fan module has two fans.
XBR-SLX9850-8-FANM SLX 9850 fan module for eight-slot chassis. Fan module has four fans
XBR-SLX9850-4-CABSLX 9850 Cable Management Kit for four-slot chassis
XBR-SLX9850-8-CABSLX 9850 Cable Management Kit for eight-slot chassis.
XBR-SLX9850-4-SFMPNL SLX 9850 switch fabric module blank panel for four-slot chassis
XBR-SLX9850-8-SFMPNLSLX 9850 switch fabric module blank panel for eight-slot chassis
XBR-SLX9850-PWRPNL SLX 9850 power supply blank panel for four-slot and eight-slot chassis
XBR-SLX9850-IMPNLSLX 9850 interface module blank panel for four-slot and eight-slot chassis
XBR-SLX9850-MMPNL SLX 9850 management module blank panel for four-slot and eight-slot chassis
XBR-SLX9850-4-4PRM-KIT SLX 9850 four-post rack mounting kit for four-slot chassis. Includes 27 to 31-inch flush and
recessed mounting
XBR-SLX9850-4-2PRM-KIT SLX 9850 two-post rack mounting kit for four-slot chassis. Include telco flush and midplane
mounting.
XBR-SLX9850-8-4PRM-KIT SLX 9850 four-post rack mounting kit for eight-slot chassis. Includes flush and recessed
mounting.