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toh:linksys:ea4500 [2021/11/02 01:24] – [Supported Versions] aczlantoh:linksys:ea4500 [2023/03/21 11:26] – [Installation] insaneknight
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 ---- ----
  
 +For the installation guide for EA4500 v3, please go to [[toh:linksys:ea4500_v3|its own page]].
  
 The EA4500 has a dual firmware layout:  working and backup partitions.  It boots from the working partition in normal operation.  Firmware flashes occur on the backup partition and the EA4500 shall reboot from the backup partition following from a firmware flash.  The backup partition becomes the new working partition when the reboot was successful.  The former working partition becomes the new backup partition. The EA4500 has a dual firmware layout:  working and backup partitions.  It boots from the working partition in normal operation.  Firmware flashes occur on the backup partition and the EA4500 shall reboot from the backup partition following from a firmware flash.  The backup partition becomes the new working partition when the reboot was successful.  The former working partition becomes the new backup partition.
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 ==== SSH method (OpenWrt >=18.06 and LEDE 17.01) ====  ==== SSH method (OpenWrt >=18.06 and LEDE 17.01) ==== 
-Probably the most generic way to go back to the stock firmware. Downgrade do LEDE 17.01 first, if you have LEDE, you can skip downgrade part.+Probably the most generic way to go back to the stock firmware. You can skip the downgrade to LEDE 17.01 if you already are running it.
  
   * On your workstation computer:   * On your workstation computer:
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       * Download [[http://downloads.linksys.com/downloads/firmware/1224692441473/FW_EA4500_2.1.41.164606.img.zip|EA4500v1 Linksys stock firmware 2.1.41.164606]]       * Download [[http://downloads.linksys.com/downloads/firmware/1224692441473/FW_EA4500_2.1.41.164606.img.zip|EA4500v1 Linksys stock firmware 2.1.41.164606]]
       * Extract the file ''FW_EA4500_2.1.41.164606.img'' from this archive on your workstation       * Extract the file ''FW_EA4500_2.1.41.164606.img'' from this archive on your workstation
-  * Connect the workstation using a cabled connection to the router and ensure that your workstation is configured as DHCP client +    * Connect the workstation using a cabled connection to the router and ensure that your workstation is configured as DHCP client 
-  * On your workstation using SCP, copy ''lede-17.01.4-kirkwood-linksys-viper-squashfs-sysupgrade.tar'' to /tmp on your router +  * Downgrade to LEDE: 
-  * On your router using SSH, issue the command ''sysupgrade -F -n /tmp/lede-17.01.4-kirkwood-linksys-viper-squashfs-sysupgrade.tar'' +    * On your workstation using SCP, copy ''lede-17.01.4-kirkwood-linksys-viper-squashfs-sysupgrade.tar'' to /tmp on your router 
-  * After a while, your router should reboot on LEDE 17.01.4 +    * On your router using SSH, issue the command ''sysupgrade -F -n /tmp/lede-17.01.4-kirkwood-linksys-viper-squashfs-sysupgrade.tar'' 
-  * For the **E4200v2** +    * After a while, your router should reboot on LEDE 17.01.4 
-    * On your workstation using SCP, copy ''FW_E4200v2_2.1.41.164606.img'' to /tmp on your router +  * Revert to factory: 
-    * On your router using SSH, issue the command ''sysupgrade -F -n /tmp/FW_E4200v2_2.1.41.164606.img'' - :!: Do not use the zip archive directly, you have to extract the firmware image from it first +    * For the **E4200v2** 
-  * For the **EA4500** +      * On your workstation using SCP, copy ''FW_E4200v2_2.1.41.164606.img'' to /tmp on your router 
-    * On your workstation using SCP, copy ''FW_EA4500_2.1.41.164606.img'' to /tmp on your router +      * On your router using SSH, issue the command ''sysupgrade -F -n /tmp/FW_E4200v2_2.1.41.164606.img'' - :!: Do not use the zip archive directly, you have to extract the firmware image from it first 
-    * On your router using SSH, issue the command ''sysupgrade -F -n /tmp/FW_EA4500_2.1.41.164606.img'' - :!: Do not use the zip archive directly, you have to extract the firmware image from it first +    * For the **EA4500** 
-  * After a while, your router should reboot on the stock Linksys firmware+      * On your workstation using SCP, copy ''FW_EA4500_2.1.41.164606.img'' to /tmp on your router 
 +      * On your router using SSH, issue the command ''sysupgrade -F -n /tmp/FW_EA4500_2.1.41.164606.img'' - :!: Do not use the zip archive directly, you have to extract the firmware image from it first 
 +    * After a while, your router should reboot on the stock Linksys firmware
  
 ==== GUI method (LEDE 17.01 only!) ==== ==== GUI method (LEDE 17.01 only!) ====
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 | wlan1            | WiFi (5GHz)          | Disabled                | | wlan1            | WiFi (5GHz)          | Disabled                |
  
-Note:  Due to the unfortunate lack of DFS support in the current mwl8k driver, there are only four available channels in the 5GHz radio: +Note:  Due to the unfortunate lack of DFS support in the current mwl8k driver, only four were made available at first and up to nine should now be available for the 5GHz radio: 
- +^ WiFi Channel          ^ Frequency ^ Transmit power ^ 
-  5180 MHz [36] (20.0 dBm) +| 36                    | 5180 MHz  20.0 dBm | 
-  5200 MHz [40] (20.0 dBm) +| 40                    | 5200 MHz  20.0 dBm | 
-  5220 MHz [44] (20.0 dBm) +| 44                    | 5220 MHz  20.0 dBm | 
-  5240 MHz [48] (20.0 dBm)+| 48                    | 5240 MHz  20.0 dBm 
 +| 149<sup>1,2</sup>     | 5745 MHz  | 20.0 dBm | 
 +| 153<sup>1,2</sup>     | 5765 MHz  | 20.0 dBm | 
 +| 157<sup>1,2</sup>     | 5785 MHz  | 20.0 dBm | 
 +| 161<sup>1,2</sup>     | 5805 MHz  | 20.0 dBm | 
 +| 165<sup>1,2</sup>     | 5825 MHz  | 20.0 dBm | 
 +<sup>1</sup> [[commit>?p=openwrt/openwrt.git;a=commit;h=672c430d6e2a1dbc5f99fd5d8d9d47e6af02ad5e|Since OpenWrt 18.06.2]]
  
 +<sup>2</sup> Unavailable on some hardware depending on regulatory region.  Make sure to select your country first, then start the WiFi interfaces; sometime these channels are only visible after the first startup.
 ==== Failsafe mode ==== ==== Failsafe mode ====
 -> [[docs:guide-user:troubleshooting:failsafe_and_factory_reset]] -> [[docs:guide-user:troubleshooting:failsafe_and_factory_reset]]
  • Last modified: 2024/07/13 21:37
  • by cubytus