Bonding Mode: IEEE 802.3ad Showing Slave Interface: nic6 - MII Status: down

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Hi Experts

I have configured Bonding Mode: IEEE 802.3ad Dynamic link aggregation on my 8 linux servers. I am getting issue only on 3 servers rest 5 are looks good.

If i am checking the status of NIC bonding. Slave Interface: nic6 - MII Status: showing down anyone having idea why MII Status is showing down?

Related Information
Server OS version RHEL 7.5
Kernel Version - 3.10.0-862.11.6.el7.x86_64

Command OutPut
cat /proc/net/bonding/bond0
Ethernet Channel Bonding Driver: v3.7.1 (April 27, 2011)

Bonding Mode: IEEE 802.3ad Dynamic link aggregation
Transmit Hash Policy: layer2 (0)
MII Status: up
MII Polling Interval (ms): 0
Up Delay (ms): 0
Down Delay (ms): 0

802.3ad info
LACP rate: slow
Min links: 0
Aggregator selection policy (ad_select): stable
System priority: 65535
System MAC address: 14:02:ec:86:24:e0
Active Aggregator Info:
Aggregator ID: 1
Number of ports: 1
Actor Key: 15
Partner Key: 32897
Partner Mac Address: 00:23:04:ee:be:01

Slave Interface: nic3
MII Status: up
Speed: 10000 Mbps
Duplex: full
Link Failure Count: 0
Permanent HW addr: 14:02:ec:86:24:e0
Slave queue ID: 0
Aggregator ID: 1
Actor Churn State: none
Partner Churn State: none
Actor Churned Count: 0
Partner Churned Count: 0
details actor lacp pdu:
system priority: 65535
system mac address: 14:02:ec:86:24:e0
port key: 15
port priority: 255
port number: 1
port state: 61
details partner lacp pdu:
system priority: 4000
system mac address: 00:23:04:ee:be:01
oper key: 32897
port priority: 32768
port number: 12064
port state: 61

Slave Interface: nic6
MII Status: down
Speed: 10000 Mbps
Duplex: full
Link Failure Count: 0
Permanent HW addr: 14:02:ec:86:24:e1
Slave queue ID: 0
Aggregator ID: 2
Actor Churn State: churned
Partner Churn State: churned
Actor Churned Count: 2
Partner Churned Count: 3
details actor lacp pdu:
system priority: 65535
system mac address: 14:02:ec:86:24:e0
port key: 0
port priority: 255
port number: 2
port state: 5
details partner lacp pdu:
system priority: 4000
system mac address: 00:23:04:ee:be:01
oper key: 32897
port priority: 32768
port number: 12064
port state: 69

As i have checked both NIC`s individually both are showing up see the below output.
NIC -1
ethtool nic3
Settings for nic3:
Supported ports: [ FIBRE ]
Supported link modes: 10000baseT/Full
Supported pause frame use: Symmetric
Supports auto-negotiation: No
Supported FEC modes: Not reported
Advertised link modes: 10000baseT/Full
Advertised pause frame use: Symmetric
Advertised auto-negotiation: No
Advertised FEC modes: Not reported
Speed: 10000Mb/s
Duplex: Full
Port: FIBRE
PHYAD: 0
Transceiver: internal
Auto-negotiation: off
Supports Wake-on: d
Wake-on: d
Current message level: 0x00000007 (7)
drv probe link
Link detected: yes

NIC - 2

ethtool nic6
Settings for nic6:
Supported ports: [ FIBRE ]
Supported link modes: 10000baseT/Full
Supported pause frame use: Symmetric
Supports auto-negotiation: No
Supported FEC modes: Not reported
Advertised link modes: 10000baseT/Full
Advertised pause frame use: Symmetric
Advertised auto-negotiation: No
Advertised FEC modes: Not reported
Speed: 10000Mb/s
Duplex: Full
Port: FIBRE
PHYAD: 0
Transceiver: internal
Auto-negotiation: off
Supports Wake-on: d
Wake-on: d
Current message level: 0x00000007 (7)
drv probe link
Link detected: yes

Device Info -

ethtool -i nic6
driver: ixgbe
version: 5.1.0-k-rh7.5
firmware-version: 0x80000835
expansion-rom-version:
bus-info: 0000:05:00.1
supports-statistics: yes
supports-test: yes
supports-eeprom-access: yes
supports-register-dump: yes
supports-priv-flags: yes

Both the ports are up and running but still MII Status: down. Need your suggestions.

Let me know if you require any other information aprart from this.

Regards
JS

JS

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