Excessive link errors on A700 interconnect port e4e
Applies to
- A700
- 10/40 Gigabit Ethernet Controller XL710
- ONTAP 9.14.1.P9
Issue
- After ONTAP version upgraded from 9.11.1 to 9.14.1.P9, interconnect port e4e start to record CRC error on
ifstat -a
output. - This is switchless configuration
Example:
Sysconfig -a
slot 4: 10/40 Gigabit Ethernet Controller XL710 QSFP+
e4a MAC Address: d0:39:xx:xx:xx:xx (auto-40g_sr4-fd-up)
QSFP Vendor: AVAGO
QSFP Part Number: 332-00389
QSFP Serial Number: xxxxxxxx
Device Type: XL710(0x1584) B1 (BSD99)
Firmware Version: fw 5.20 nvm 5.05 etid 8000d2de
Part Number: 111-02590
Hardware Revision: B0
Serial Number: xxxxxxxxxxxx
slot 4: 10/40 Gigabit Ethernet Controller XL710 QSFP+
e4e MAC Address: d0:39:xx:xx:xx:xx (auto-40g_sr4-fd-up)
QSFP Vendor: AVAGO
QSFP Part Number: 332-00389
QSFP Serial Number: xxxxxxxx
Device Type: XL710(0x1584) B1 (BSD99)
Firmware Version: fw 5.20 nvm 5.05 etid 8000d2de
Part Number: 111-02590
Hardware Revision: B0
Serial Number: xxxxxxxxxxxx
Ifstat -a
-- interface e4e (1 hour, 16 minutes, 15 seconds) --
RECEIVE
Total frames: 316k | Frames/second: 69 | Total bytes: 1463m
Bytes/second: 319k | Total errors: 1044 | Errors/minute: 14
Total discards: 0 | Discards/minute: 0 | Multi/broadcast: 363
Non-primary u/c: 0 | CRC errors: 647 | Runt frames: 0
Fragment: 0 | Long frames: 0 | Jabber: 0
Length errors: 0 | No buffer: 0 | Xon: 0
Xoff: 0 | Pause: 0 | Jumbo: 171k
Noproto: 0 | Error symbol: 0 | Illegal symbol: 397
Bus overruns: 0 | Queue drops: 0 | LRO segments: 278k
LRO bytes: 1458m | 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 | Lagg errors: 0
Lacp errors: 0 | Lacp PDU errors: 0
TRANSMIT
Total frames: 275k | Frames/second: 60 | Total bytes: 48676k
Bytes/second: 10640 | Total errors: 0 | Errors/minute: 0
Total discards: 0 | Queue overflow: 0 | Multi/broadcast: 1302
Collisions: 0 | Xon: 0 | Xoff: 0
Pause: 0 | Jumbo: 479 | Cfg Up to Downs: 2
TSO non-TCP drop: 0 | Split hdr drop: 0 | Timeout: 0
TSO segments: 39 | TSO bytes: 871k | TSO6 segments: 0
TSO6 bytes: 0 | HW UDP cksums: 46 | HW UDP6 cksums: 0
HW TCP cksums: 273k | HW TCP6 cksums: 0 | Mcast v6 solicit: 0
Lagg drops: 0 | Lagg no buffer: 0 | Lagg no entries: 0
DEVICE
Mcast addresses: 2 | Rx MBuf Sz: 4096
LINK INFO
Speed: 40000M | Duplex: full | Flowcontrol: none
Media state: active | Up to downs: 10 | HW assist: 5663