Bug Fixes History
| Internal Ref. | Issues | 
| 2169355 | Description: TCA port (ports 41/81) counter returns non-zero value since the TCA counters were not supported. | 
| Keywords: SHARP, TCA, Port Counters | |
| Discovered in Version: 27.2007.0618 | |
| Fixed in Release: 27.2008.0232 | |
| 2136877 | Description: Port Counters with "all_ports" attribute returns wrong values since the TCA counters were not supported. | 
| Keywords: TCA, Port Counters | |
| Discovered in Version: 27.2007.0618 | |
| Fixed in Release: 27.2008.0232 | |
| 2133393 | Description: On rare occasions when link is flapping or toggle by the user, the switch may hang. | 
| Keywords: Link Flapping | |
| Discovered in Version: 27.2007.0618 | |
| Fixed in Release: 27.2008.0232 | |
| 2122186 | Description: Traffic loss may be experienced during a spine failover, when two SHARP (SAT) flows are enabled. | 
| Keywords: InfiniBand; SHARP (SAT) | |
| Discovered in Version: 27.2007.0618 | |
| Fixed in Release: 27.2008.0232 | |
| 2063786 | Description: Running 2 flows in parallel is currently not functional in SHARP (SAT). | 
| Keywords: SHARP (SAT), 2 flows | |
| Discovered in Version: 27.2000.3276 | |
| Fixed in Release: 27.2007.0618 | |
| 1972573 | Description: Reading the Serial Number by the MSPS register is not functional on the new Delta PSU model. | 
| Keywords: Delta PSU model, MSPS register | |
| Discovered in Version: 27.2000.2708 | |
| Fixed in Release: 27.2007.0618 | |
| 1970878 | Description: When using Mellanox AOC cables longer than 50m use one VL to achieve full wire speed. | 
| Keywords: Cables | |
| Fixed in Release: 27.2007.0618 | |
| 2022524 | Description: As the switch does not send auto-negotiation indication, after resetting/power cycling a ConnectX-6 HCA, some HCAs get stuck in "polling" state. | 
| Keywords: Auto-negotiation, HCA, switch | |
| Discovered in Version: 27.2000.2708 | |
| Fixed in Release: 27.2007.0300 | |
| 1996051 | Description: After performing a software reset on the switch while using an Active Copper Cable or Optics Cable, the link gets high BER and is not available for traffic forwarding. | 
| Keywords: Cables, BER | |
| Discovered in Version: 27.2000.2708 | |
| Fixed in Release: 27.2007.0300 | |
| 2036930 | Description: Degradation in throughput might be experienced when using HDR100 cables with a length of 30m and above. | 
| Keywords: Cables, Bandwidth | |
| Discovered in Version: 27.2000.2708 | |
| Fixed in Release: 27.2000.3276 | |
| 1946287 | Description: Fixed an issue that resulted in SHARP jobs getting stuck after stopping a job during SAT operation. | 
| Keywords: SHARP | |
| Discovered in Version: 27.2000.2306 | |
| Fixed in Release: 27.2000.2626 | |
| 1778566 | Description: Fixed an issue that caused the Rx buffers allocation after running OpenSM to be based on the default VLCap configuration instead of the Operational Vl configuration. | 
| Keywords: Rx buffers allocation, OpenSM | |
| Discovered in Version: 27.2000.2306 | |
| Fixed in Release: 27.2000.2626 | |
| 1930686 | Description: Fixed an issue that caused a multicast packet to be forwarded to a wrong port when the switch was configured to use the Split mode. | 
| Keywords: Switch multicast forwarding | |
| Discovered in Version: 27.2000.2182 | |
| Fixed in Release: 27.2000.2626 | |
| 1761271 | Description: CWDM4 AOM cable is currently not supported on Quantum switch systems. | 
| Keywords: Modules/Cables | |
| Discovered in Version: 27.2000.1400 | |
| Fixed in Release: 27.2000.2626 | |
| 1713747 | Description: When using splitter HDR optical cables, toggling the upper port causes the lower port to be toggled as well. | 
| Keywords: Cables, port toggling | |
| Discovered in Version: 27.2000.2046 | |
| Fixed in Release: 27.2000.2626 | |
| 1834740 | Description: Fixed an issue that resulted in high BER when using optical module with module firmware older than 37.50.316. | 
| Keywords: Optical cables, BER, cables firmware | |
| Discovered in Version: 27.2000.2182 | |
| Fixed in Release: 27.2000.2306 | |
| 1899441 | Description: Fixed an issue that caused the packets to be transmitted from a wrong output port due to a wrong configuration of the packet classification decision in the switch forwarding database cache key, that caused both AR eligible packets and AR ineligible packets to hit the same cache entry. | 
| Keywords: Switch forwarding, Adaptive Routing | |
| Discovered in Version: 27.2000.2046 | |
| Fixed in Release: 27.2000.2182 | |
| 1885460 | Description: On rare occasions, and under high SHARP load, switch SHARP operation might get stuck. | 
| Keywords: SHARP | |
| Discovered in Version: 27.2000.2046 | |
| Fixed in Release: 27.2000.2182 | |
| 1859715 | Description: The bandwidth on MFS1S00-H050E cables is 99G/s and on MFS1S00-H100E cables is 67Gb/s when connecting at HDR speed to an HDR switch. | 
| Keywords: Cables | |
| Discovered in Version: 27.2000.1886 | |
| Fixed in Release: 27.2000.2046 | |
| 1797452 | Description: A port may hang while Link-Maintenance runs on it and the second port’s link is toggled. | 
| Keywords: Link-Maintenance, port toggling | |
| Discovered in Version: 27.2000.1600 | |
| Fixed in Release: 27.2000.1886 | |
| 1698990 | Description: HDR link up time when using optical cables may take 6 minutes or more (up to 20 minutes). | 
| Keywords: HDR, optical cables, link up times | |
| Discovered in Version: 27.2000.1100 | |
| Fixed in Release: 27.2000.1886 | |
| 1718734/ 1723236/ 1718645/ 1710631 | Description: On rare occasions, HDR link may not raise properly when using optical cables. | 
| Keywords: HDR link | |
| Discovered in Version: 27.2000.1012 | |
| Fixed in Release: 27.2000.1600 | |
| 1774870 | Description: Link flapping and packet loss during High/Low temperature changes. | 
| Keywords: Link | |
| Discovered in Version: 27.2000.1400 | |
| Fixed in Release: 27.2000.1600 | |
| 1778837 | Description: When using a copper splitter cable up to 2m length in HDR100 mode, traffic may drop. | 
| Keywords: Cable, HDR100 | |
| Discovered in Version: 27.2000.1400 | |
| Fixed in Release: 27.2000.1600 | |
| 1534459 | Description: When working with 8 VLs, TP does not function due to buffers’ configuration. | 
| Keywords: VLs, latency, performance | |
| Discovered in Version: 27.2000.1100 | |
| Fixed in Release: 27.2000.1400 | |
| 1605587 | Description: Fixed an issue that cause the green port LED to blink in the same frequency regardless of the link speed rate set. | 
| Keywords: Port LED | |
| Discovered in Version: 27.1910.0618 | |
| Fixed in Release: 27.2000.1142 | |
| 1598550 | Description: Fixed an issue that prevented the port from being split when the request (command) was sent from the NV config tool. | 
| Keywords: Split Port | |
| Discovered in Version: 27.1910.0618 | |
| Fixed in Release: 27.1910.0620 |