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Cumulus Linux for Leaf Nodes (10G/25G) 1 year

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Cumulus Linux for Leaf Nodes (10G/25G) 1 year

  • Provides 24/7 access to the Cumulus Networks online support tools.

  • Allows access to support personnel 24/7/365.

  • Allows 24/7 access to downloads and software updates



  • Provides 24/7 access to the Cumulus Networks online support tools.
  • Allows access to support personnel 24/7/365.
  • Allows 24/7 access to downloads and software updates
Operating System
  • Server-style upgrade/patching across minor releases, server-style process restart/termination.
  • Support for zero touch OS installation using ONIE loaded on industry standard switches.


  • Linux is the API — Any language supported in Linux today, including scripting with Bash, Perl, Python, Ruby.

Hardware Management

  • The switch hardware abstraction layer accelerates Linux kernel networking constructs in hardware including the routing table, ARP table, bridge FDB, IP/EBtables, bonds, VLANs, VXLAN bridges.
  • Hardware management also includes jumbo frames support and environmental management.

Layer 3 Features

  • Enhanced Quagga IPv4/v6 routing suite including OSPFv2, OSPFv3, BGPv4/v6, Equal-Cost Multi-Path (ECMP).
  • ECMP Resilient Hashing for IPv4 and IPv6 traffic.
  • Bidirectional Forwarding Detection (BFD) across all platform & interface types, IPv4 and IPv6, BGP and OSPF, VXLAN.

Layer 2 Features

  • Bridge management with STP (IEEE 802.1d), RSTP (IEEE 802.1w), PVRST, PVST, bridge assurance, BPDU guard, BPDU filter.
  • VLANs, VLAN trunks (IEEE 802.1q), LACP (IEEE 802.3ad), LACP bypass, unicast/broadcast storm control, LLDP, CDP, IPv6 neighbor discovery, IPV6 route advertisement.
  • MLAG (clagd daemon).
  • IGMPv2/v3 snooping, MLDv1/v2 snooping.
  • Virtual Router Redundancy (VRR - Active-active first hop redundancy protocol).

Network Virtualization

  • VXLAN Support
  • L2 Gateway integration with VMware NSX
  • VXLAN Head End Replication
  • VXLAN Active-Active bridging with MLAG
  • Controller-less Network Virtualization with LNV


  • Native Linux management tools such as OpenSSH, SCP, FTPS.
  • Automated install and provisioning: zero touch install and zero touch provisioning.
  • Management VRF
  • DHCP, v4/v6 DHCP relays.
  • Authentication with LDAP, authorization with sudo NTP.
  • Interface configuration management (ifupdown2).
  • Advanced management/orchestration through third party add-on packages.
Monitoring & Troubleshooting
  • Traditional monitoring with SNMPv2 and network specific MIBs, hardware monitoring via watchdog, analytics with SPAN, ERSPAN, ACL-based counters, DOM optics data, thermal sensors, real time queue-depth and buffer utilization reporting.
  • Troubleshooting with dnsutils, syslog, reachability tools, hardware inventory, log files, server-style filesystem, and merchant silicon specific commands.
  • Advanced troubleshooting and ease of use with Prescriptive Topology Manager.


  • Access control lists (ACLs) L2-L4 classification through IP/EPtables, CPU protection through hardware enforced ACL-based rate limiting , DoS control.


  • Link PAUSE.
  • Classification based on Class of Service (CoS) (IEEE 802.1p) or DSCP (queuing, scheduling (DWRR and Strict Priority), buffer allocation)*.
  • Ingress ACL-based classification/policing.

 *Check the appropriate hardware guide for platform-specific support.

Additional Information

Additional Information

Manufacturer Cumulus