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OPERATIONAL DEFECT DATABASE
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Loopback communication between the CPs was observed during the upgrade of the switch.During the firmwaredownload on the CPs, both CPs were rebooted and regained the communications on the backend. Apr 6 01:22:42 softupgrade_main:CP1 ### Firmwaredownload command has started ###Apr 6 01:22:42 softupgrade_main:CP1 IpcInit failed. Firmwaredownloadis already running.Apr 6 01:22:42 set_status:CP1 Firmwaredownload failed because already another instance of firmwaredownload operation is in progress. Another firmwaredownload is in progress. (0x18)Apr 6 01:28:06 ipc_send_recv:CP1 err = 35, error_code = 35Apr 6 01:28:25 set_status:CP1 Firmware download failed on standby CP - Firmware download timed out. (0x23)Apr 6 01:28:25 state_fwdl_begin:CP1 Firmwaredownload status in state_trans(): Firmware download timed out.Apr 6 01:28:30 sus_notify:CP1 Firmwaredownload failed. Calling ismic_send_fwdnld_fail.Apr 6 01:28:31 sus_notify:CP1 Status is SUS_NOTIFY_FWDL_FAILEDApr 6 01:28:33 ping_standby:CP1 ping_standby(): cmd = /bin/ping -q 127.3.1.1 -c 2 -i 2 1>/dev/null, ret=0x0Apr 6 01:28:33 ping_standby:CP1 ping_standby failed but htbt ok. IgnoreApr 6 01:29:22 fwdl_parse_cmd_option:CP1 option=0, index = 1Apr 6 01:29:54 set_status:CP1 Firmwarecommit has started on the remote CP. Please use firmwaredownloadstatus and firmwareshow to see the firmware status.Apr 6 01:29:54 set_status:CP1 Please use firmwaredownloadstatus and firmwareshow to see the firmware status.Apr 6 01:29:54 state_fwdl_begin:CP1 Returning SUS_PEER_FWDL_FAIL Mar 23 22:37:16 set_status:CP1 Firmware download failed on standby CP - Firmware download timed out. (0x23)Mar 23 22:37:16 state_fwdl_begin:CP1 Firmwaredownload status in state_trans(): Firmware download timed out.Mar 23 22:37:21 sus_notify:CP1 Firmwaredownload failed. Calling ismic_send_fwdnld_fail.Mar 23 22:37:21 sus_notify:CP1 Status is SUS_NOTIFY_FWDL_FAILEDMar 23 22:37:23 ping_standby:CP1 ping_standby(): cmd = /bin/ping -q 127.3.1.1 -c 2 -i 2 1>/dev/null, ret=0x0Mar 23 22:37:23 ping_standby:CP1 ping_standby failed but htbt ok. IgnoreMar 23 22:38:44 set_status:CP1 Firmwarecommit has started on the remote CP. Please use firmwaredownloadstatus and firmwareshow to see the firmware status.Mar 23 22:38:45 set_status:CP1 Please use firmwaredownloadstatus and firmwareshow to see the firmware status.Mar 23 22:38:45 state_fwdl_begin:CP1 Returning SUS_PEER_FWDL_FAIL Increasing the timeout value of the firmwaredownload command with the example shown below didn't help. #firmwaredownload -x 2400 In this example, it increases the timeout from the default of 30 minutes (1800 seconds) to 40 minutes (2400 seconds).
Loopback communication issues between the CPs
Upgrade the switch CP's using the #firmwaredownload -s option which is a single CP controller upgrade Use the command #firmwaredownload -s to download the firmware to standby CP and perform #hafailover to reboot it.Perform the same on other CP.