0005403: Upgrade OpenWrt router to AC-type standard gateway to remote network with Linksys EA4500

ID	Project	Category	View Status	Date Submitted	Last Update

0005403	Networks	OpenWRT	public	2022-08-05 00:23	2025-07-10 13:56

Reporter	DigitalMy
Priority	normal	Severity	major	Reproducibility	N/A
Status	resolved	Resolution	fixed

Summary	0005403: Upgrade OpenWrt router to AC-type standard gateway to remote network with Linksys EA4500
Description	Connect Linksys EA4500 router (OpenWrt) to internet with USB Tp-link AC600 T2UH v1 adapter. Only one internet source - wireless access point 5GHz AC Connect to WiFi hotspot (when available) - default way
Steps To Reproduce	install USB adapter driver like: opkg install kmod-mt76x0u
Tags	No tags attached.

DigitalMy 2022-08-05 00:25 administrator ~0008176 Last edited: 2025-07-10 13:54 View 9 revisions	Upload OpenWrt version 21.02.3 or later to router using web interface Choose optimal openwrt-22.03.4-kirkwood-linksys_ea4500-squashfs-factory.bin Uploaded successfuly, it works as expected basic needs: opkg update opkg install openssh-sftp-server opkg install luci-app-openvpn opkg update opkg --force-reinstall install openvpn-openssl in case of ERROR: Cannot open TUN/TAP dev tun0: No such file or directory (errno=2) remove this line from .ovpn config - resolved Check open ports and space: netstat -lnp df -hT mount

DigitalMy 2022-08-05 00:59 administrator ~0008177 Last edited: 2023-08-28 23:01 View 2 revisions	Used Linksys EA4500 v1 as temporary device while WNDR4700 upgrade failed. Installed OpenWrt 21.02.3 r16554 to this router and currently use it as OpenVPN server plus local area 4-port gigabit switch. cisco-linksys-ea4500.png (150,539 bytes) cisco-linksys-ea4500.png (150,539 bytes)

DigitalMy 2024-06-05 22:02 administrator ~0014269 Last edited: 2025-07-10 13:56 View 2 revisions	Moved OpenWRT 22.03.4 to new device same model EA4500 copied: /etc/config/ /etc/openvpn/ set file execute rights for .sh scripts Done, it works.