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on back to back connected link over dark fiber, 40G link failed to come up. interface come up with softloop action but with hardloop it remain down. When soft loop is released, on both end H/W Link Defects indicates "Link Local Fault"
Back to Back connected links with either or both side 40G optics link.
NA
in the logs, we can see the driver sends an update for state to be down at 11:55, for this RSIP, as shown below: Jan 27 11:55:49.010 v-Ether-ma/fast 0/RP0/CPU0 t6763 [Etherlike IM:0048] Client 'VETHER_SERVER' on node 0x00001000 sent an interface update Owner Channel message of size 1. Jan 27 11:55:49.010 v-Ether-ma/fast 0/RP0/CPU0 t6763 [host-plugin:0009] [0x0f000028:FortyGigE0/0/0/28] - State update requested for IDB - queued to IM Jan 27 11:55:49.010 v-Ether-ma/slow 0/RP0/CPU0 t6763 [host-plugin:0010] State update request from plugin 1 for 1 interfaces; first: 0x0f000028:FortyGigE0/0/0/28 -> down (2) Jan 27 11:55:49.010 v-Ether-ma/fast 0/RP0/CPU0 t6763 [Etherlike IM:0050] [0x0f000028:FortyGigE0/0/0/28] - Interface updated by driver. State: Updated, Carrier Delay: Updated, Flow Control: Updated, Duplex: Updated, Speed: Updated, Media Type: Not updated and last state log at this time interval are as shown below: RP/0/RP0/CPU0:Jan 27 11:55:05.266 WIB: config[65718]: %MGBL-SYS-5-CONFIG_I : Configured from console by msi on vty0 (10.17.71.42) RP/0/RP0/CPU0:Jan 27 11:55:49.009 WIB: fia_driver[336]: %PLATFORM-DPA-2-RX_FAULT : Interface FortyGigE0/0/0/28, Detected Local Fault MSG RP/0/RP0/CPU0:Jan 27 11:55:49.019 WIB: ifmgr[249]: %PKT_INFRA-LINK-3-UPDOWN : Interface FortyGigE0/0/0/28, changed state to Down RP/0/RP0/CPU0:Jan 27 11:55:49.019 WIB: ifmgr[249]: %PKT_INFRA-LINEPROTO-5-UPDOWN : Line protocol on Interface FortyGigE0/0/0/28, changed state to Down and there are no UP logs after this for this RSIP and also there is the "Local Fault" log for the same time stamp.
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