Frame discards seen on a NIC port due to no buffer errors
Applies to
All NIC ports
Issue
- Frame discards are increasing on a NIC port in ifstat output
- The rate of total discards is almost equal to the rate of no buffer errors:
- Customer may experience performance issues due to this network issues, such as high latency and/or low throughput
::> system node run -node <node_name> -command ifstat -a
-- interface e0f (17 days, 13 hours, 50 minutes, 52 seconds) --
RECEIVE
Total frames: 22701m | Frames/second: 14948 | Total bytes: 4019g
Bytes/second: 2646k | Total errors: 0 | Errors/minute: 0
Total discards: 21861 | Discards/minute: 1 | Multi/broadcast: 105k
Non-primary u/c: 0 | CRC errors: 0 | Runt frames: 0
Long frames: 0 | Length errors: 0 | Alignment errors: 0
No buffer: 21521 | Pause: 0 | Jumbo: 0
Noproto: 0 | Bus overruns: 340 | LRO segments: 16365m
LRO bytes: 2571g | LRO6 segments: 0 | LRO6 bytes: 0
Bad UDP cksum: 0 | Bad UDP6 cksum: 0 | Bad TCP cksum: 0
Bad TCP6 cksum: 0 | Mcast v6 solicit: 0
