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Onboard CX5-Mezzanine Ethernet port is flapping

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fas-systems
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HW
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Applies to

  • Onboard CX5-Mezzanine card
  • AFF A400
  • FAS 8300

Issue

  • Sysconfig -a
slot 0: Dual 10G/25G Ethernet Controller CX5-Mezz
e0e MAC Address:    d0:39:ea:bf:a7:d7 (auto-unknown-fd-down)
    SFP Vendor:         FINISAR CORP.
    SFP Part Number:    FTLF8536P5BCL
    SFP Serial Number:  N8CDMC2
e0f MAC Address:    d0:39:ea:bf:a7:d8 (auto-25g_sr-fd-up)
    SFP Vendor:         FINISAR CORP.
    SFP Part Number:    FTLF8536P5BCL
    SFP Serial Number:  N8CCFJ6
Device Type:        CX5 PSID(NAP0000000007)
Firmware Version:   16.26.4012
  • EMS
Fri Jan 10 03:29:15  [node-02: mgmt_port_link_status_poll: netif.linkDown:info]: Ethernet e0e: Link down, check cable.
Fri Jan 10 03:29:15  [node-02: intr: net.ifgrp.lacp.link.inactive:error]: ifgrp a0a, port e0e has transitioned to an inactive state. The interface group is in a degraded state.
Fri Jan 10 03:29:15  [node-02: vifmgr: vifmgr.portdown:notice]: A link down event was received on node node-02, port e0e.
 
Fri Jan 10 03:29:17  [node-02: mgmt_port_link_status_poll: netif.linkUp:info]: Ethernet e0e: Link up.
Fri Jan 10 03:29:17  [node-02: vifmgr: vifmgr.portup:notice]: A link up event was received on node node-02, port e0e.
Fri Jan 10 03:29:21  [node-02: intr: net.ifgrp.lacp.link.active:notice]: ifgrp a0a, port e0e has transitioned to the active state.
 
Fri Jan 10 03:30:23  [node-02: vifmgr: vifmgr.reach.noreach:notice]: Network port e0e on node node-02 cannot reach its expected broadcast domain Default:Cinder. No other broadcast domains appear to be reachable from this port.
Fri Jan 10 03:33:29  [node-02: mgmt_port_link_status_poll: netif.linkDown:info]: Ethernet e0e: Link down, check cable.
Fri Jan 10 03:33:29  [node-02: intr: net.ifgrp.lacp.link.inactive:error]: ifgrp a0a, port e0e has transitioned to an inactive state. The interface group is in a degraded state.
Fri Jan 10 03:33:29  [node-02: vifmgr: vifmgr.portdown:notice]: A link down event was received on node node-02, port e0e.
 
Fri Jan 10 03:33:31  [node-02: mgmt_port_link_status_poll: netif.linkUp:info]: Ethernet e0e: Link up.
Fri Jan 10 03:33:31  [node-02: vifmgr: vifmgr.portup:notice]: A link up event was received on node node-02, port e0e.
Fri Jan 10 03:33:31  [node-02: vifmgr: vifmgr.port.monitor.failed:error]: The "link_flapping" health check for port e0e (node node-02) has failed. The port is operating in a degraded state.
Fri Jan 10 03:33:35  [node-02: intr: net.ifgrp.lacp.link.active:notice]: ifgrp a0a, port e0e has transitioned to the active state.
Fri Jan 10 03:34:40  [node-02: vifmgr: vifmgr.reach.noreach:notice]: Network port e0e on node node-02 cannot reach its expected broadcast domain Default:Cinder. No other broadcast domains appear to be reachable from this port.
Fri Jan 10 03:34:42  [node-02: vifmgr: vifmgr.port.monitor.passed:notice]: The "link_flapping" health check for port e0e (node node-02) has passed.
Fri Jan 10 03:34:42  [node-02: vifmgr: vifmgr.portHealthy:notice]: The health status of port e0e (node node-02) has changed from degraded to healthy. This port can now be used for hosting LIFs.
 
Fri Jan 10 04:17:35  [node-02: mgmt_port_link_status_poll: netif.linkDown:info]: Ethernet e0e: Link down, check cable.
Fri Jan 10 04:17:35  [node-02: intr: net.ifgrp.lacp.link.inactive:error]: ifgrp a0a, port e0e has transitioned to an inactive state. The interface group is in a degraded state.
Fri Jan 10 04:17:35  [node-02: vifmgr: vifmgr.portdown:notice]: A link down event was received on node node-02, port e0e.
 
Fri Jan 10 04:17:37  [node-02: mgmt_port_link_status_poll: netif.linkUp:info]: Ethernet e0e: Link up.
Fri Jan 10 04:17:37  [node-02: vifmgr: vifmgr.portup:notice]: A link up event was received on node node-02, port e0e.
Fri Jan 10 04:17:41  [node-02: intr: net.ifgrp.lacp.link.active:notice]: ifgrp a0a, port e0e has transitioned to the active state.
 
Fri Jan 10 04:21:31  [node-02: mgmt_port_link_status_poll: netif.linkDown:info]: Ethernet e0e: Link down, check cable.
Fri Jan 10 04:21:31  [node-02: intr: net.ifgrp.lacp.link.inactive:error]: ifgrp a0a, port e0e has transitioned to an inactive state. The interface group is in a degraded state.
Fri Jan 10 04:21:31  [node-02: vifmgr: vifmgr.portdown:notice]: A link down event was received on node node-02, port e0e.
 
Fri Jan 10 04:21:35  [node-02: mgmt_port_link_status_poll: netif.linkUp:info]: Ethernet e0e: Link up.
Fri Jan 10 04:21:35  [node-02: vifmgr: vifmgr.portup:notice]: A link up event was received on node node-02, port e0e.
Fri Jan 10 04:21:35  [node-02: vifmgr: vifmgr.port.monitor.failed:error]: The "link_flapping" health check for port e0e (node node-02) has failed. The port is operating in a degraded state.
Fri Jan 10 04:21:50  [node-02: intr: net.ifgrp.lacp.link.active:notice]: ifgrp a0a, port e0e has transitioned to the active state.
 
Fri Jan 10 04:23:55  [node-02: mgmt_port_link_status_poll: netif.linkDown:info]: Ethernet e0e: Link down, check cable.
Fri Jan 10 04:23:55  [node-02: intr: net.ifgrp.lacp.link.inactive:error]: ifgrp a0a, port e0e has transitioned to an inactive state. The interface group is in a degraded state.
Fri Jan 10 04:23:55  [node-02: vifmgr: vifmgr.portdown:notice]: A link down event was received on node node-02, port e0e.
 
Fri Jan 10 04:23:57  [node-02: mgmt_port_link_status_poll: netif.linkUp:info]: Ethernet e0e: Link up.
Fri Jan 10 04:23:57  [node-02: vifmgr: vifmgr.portup:notice]: A link up event was received on node node-02, port e0e.
Fri Jan 10 04:24:01  [node-02: intr: net.ifgrp.lacp.link.active:notice]: ifgrp a0a, port e0e has transitioned to the active state.
  • The possibility of issues with the cable and switch end SFP has been ruled out through cross-testing

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