Printer Server Set Up!

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Printer Server Setting Up!




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FortiGate-100D: EXT2-fs(sdb1):previous I/O error to superblock detection

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When you are facing the issues that the kernel errors something like firewall is rebooting auto or outage of power supply accidently. So all the LAN interfaces shut down in the firewall. Problem: The errors will be like this: EXT2-fs(sdb1):previous I/O error to superblock detected. EXT2-fs(sdb1):previous I/O error to superblock detected. EXT2-fs(sdb1):previous I/O error to superblock detected. Troubleshooting Commands: 1) Try to get the debug logs https://community.fortinet.com/t5/FortiGate/Technical-Tip-How-to-download-debug-log-file-at-different/ta-p/193211 2) Get the result details #get hardware status #get system status #get system performance status # diagnose sys flash list # diagnose autoupdate status # diagnose autoupdate versions # diag debug crashlog read # diagnose hardware sysinfo memory # diagnose hardware sysinfo shm # diagnose hardware sysinfo slab # diagnose debug crashlog read # diagnose hardware deviceinfo disk # diagnose sys session stat Resolution: The issue is res...
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Check the cisco device MAC address and IP address

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 To check the cisco device MAC address and IP address C2960#sh mac address-table interface gi1/0/3  and C2960#sh mac address-table address 2894.0f64.0340  Mac Address Table ------------------------------------------- Vlan    Mac Address       Type        Ports ----    -----------       --------    -----  413    2894.0f64.0340    DYNAMIC     Gi1/0/3 ========================================================= C2960#sh ip arp 2894.0f64.0340 Protocol  Address          Age (min)  Hardware Addr   Type   Interface Internet  191.65.230.30          154   2894.0f64.0340  ARPA   Vlan413
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Downgrade from FortiGate Firewall Firmware Version 7.0.5 to 7.0.4

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Image
 Downgrade from 7.0.5 to 7.0.4    Requriement: Backup must have  Fortigate# diag sys flash list  In here: Image 304 is Version 7.0.7 and Image 301 is Version 7.0.4 FortiGate# exec set-next-reboot primary It will change to "Active-Yes". Downgrade Firmware Scenario-2 Version 6.4.7 Version 7.0.5 Version 7.2.0 Requirement: Backup config on 6.4.7 needed. 1)  Pre-download the firmware version from the support portal 2)  Directly downgrade it from the GUI firmware version 6.4.7. 3)  After downgrade and completely wipe off the config using 4)  FortiGate # exec factoryreset>Yes.  5) Restore the config Backup on version 6.4.7
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