4.20 Release notes - Mellanox/mlxsw GitHub Wiki

Table of Contents
  1. Supported Platforms
  2. Supported Firmware
  3. Supported Cables
  4. New Features
  5. Fixed Issues
  6. Known Issues

Supported Platforms

Product Description
Mellanox SN2700, SN2740 SpectrumTM based 100GbE 1U Open Ethernet Switch with, 32 QSFP28 ports
Mellanox SN2410 SpectrumTM based 25GbE/100GbE 1U Open Ethernet Switch, 48 SFP28 ports, 8 QSFP28 ports
Mellanox SN2100 SpectrumTM based 100GbE 1U Open Ethernet switch, 16 QSFP28 ports
Mellanox SN2010 SpectrumTM based 25GbE/100GbE 1U Open Ethernet Switch, 18 SFP28 ports, 4 QSFP28 ports

Supported Firmware

mellanox/mlxsw_spectrum-13.1703.4.mfa2 - Available via linux-firmware.

Supported Cables

For a list of the Mellanox supported cables please visit the LinkXTM Cables and Transceivers page.

New Features

NOTE: For earlier releases than 4.9 please visit 4.18 release notes page.

Kernel Category Description
4.20 QoS MC-awarness Add support for dedicated pool for BUM traffic
VXLAN support VXLAN with VLAN-unaware bridges support
4.19 VRRP Support of Virtual Router Redundancy Protocol
TC chain templates Allow user to specify a template that would cover all the filters to be inserted in the chain
Spectrum-2 support Initial support for Spectrum-2: basic L2, L3 and ACLs
QoS Trust-DSCP and DSCP rewrite
Counters Include RFC-2819 counters in stats length
FW Auto upgrade Always bump required firmware version
4.18 SPAN ERSPAN mirroring with bridge, VLAN or LAG in underlay
4.17 QoS Allow grafting of RED as a child of PRIO (providing per QoS RED/ECN)
L3 Routing IPv6 multicast routing
SPAN Support mirroring via GRE tunnel (ERSPAN)
L2 switching Physical ports in VLAN-unaware bridges support
4.16 L3 Routing Weighted multipath for IPv6
QoS Offload support for PRIO queueing discipline
SPAN flow-based mirroring
4.15 L3 Routing IPv4 multicast routing
L3 Routing Weighted multipath for IPv4
L3 Routing Allow user control of IPv4 multpath hash policy
QoS Offload support for RED queueing discipline
L3 Tunneling GRE support for decap-only tunnels
L3 Tunneling GRE configuration changes supported (see limitations)
4.14 L3 Routing Add support for IPv6 unicast routing
ACL keys Match on IP TTL and TOS
ACL actions Support moving to different chains (tables)
L3 Tunneling Preliminary support for GRE tunnels (see limitations)
4.13 ACL keys Match on TCP flags
ACL actions Trap support
Chassis management Firmware flashing support
Chassis management Port module [transceiver] info
4.12 ACL keys VLAN-ID, PCP, DCSP support
ACL Infrastructure Added counters support
L3 Routing Enabled 256 VRFs
Visibility Added RIF counters
4.11 ACL infra Added 'tc-flower' offloading for ACLs
ACL keys Port, DMAC, SMAC, Ethertype, IP proto, SIP DIP (IPv4/6), TCP/UDP, L4 port
ACL actions DROP, Forward
IP multicast IGMP flooding enhancements
Visibility sFlow
4.10 QoS CPU policers support
4.9 L3 routing L3 router performance enhancements
Chassis management I2C driver added for Mellanox SpectrumTM switch systems

Fixed Issues

Category Description Commit info
mlxsw: core Increase timeout during firmware flash process details
mlxsw: spectrum_switchdev Fix VLAN device deletion via ioctl details
mlxsw: spectrum_router Relax GRE decap matching check details

Known Issues

Category Description
Network configuration Order of operations: Network configuration should be done bottom-up, teardown should be done top-down
ACL ACL key size: Rules that match on L2 fields and the complete IPv6 header cannot be specified
Chassis management i2c_mlxcpld should be blacklisted on SN2100; Otherwise, system logs will show warnings
FW automatic upgrade FW manual upgrade is not supported after driver reload. FW is updated only based on in-driver FW version. Option is now available in 5.0
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