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JINLIANG GU 89d982d723 netifd: dhcp: suppress udhcpc default vendor class if specified in sendopts
When DHCP Option 60 is specified via sendopts (hex, decimal, or named
formats), udhcpc sends its default "udhcp <version>" string alongside
the custom value, which causes authentication failures with some ISPs.

This fix detects Option 60 in sendopts and automatically passes -V ""
to udhcpc to suppress the default version string while allowing
multiple user-defined vendor classes.

Supported formats:
- Hexadecimal: 0x3c
- Decimal: 60
- Named: vendor

Fixes: #21242
Signed-off-by: JINLIANG GU <ihipop@gmail.com>
https://github.com/openwrt/openwrt/pull/21450
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
2026-01-10 13:00:15 +01:00
..
firewall firewall: config: add dest addr restrictions for DHCPv6 rules 2025-11-10 15:23:16 +01:00
firewall4 firewall4: update to Git HEAD (2025-03-17) 2025-03-30 18:35:22 +02:00
gre gre: use alternative way to check if kernel support is enabled 2021-03-13 20:58:55 +01:00
ipip ipip: add 'nohostroute' option 2022-01-19 20:57:59 +01:00
ltq-adsl-app treewide: remove lantiq dot com URL 2026-01-02 18:07:02 +01:00
ltq-vdsl-vr9-app treewide: remove lantiq dot com URL 2026-01-02 18:07:02 +01:00
ltq-vdsl-vr11-app treewide: remove lantiq dot com URL 2026-01-02 18:07:02 +01:00
netifd netifd: dhcp: suppress udhcpc default vendor class if specified in sendopts 2026-01-10 13:00:15 +01:00
qos-scripts treewide: replace AUTORELEASE with real PKG_RELEASE 2023-05-18 11:35:29 +02:00
qosify package: use service_running instead of service_started for ubus config 2025-03-13 11:23:03 +01:00
soloscli treewide: switch to HTTPS URL 2026-01-02 18:07:02 +01:00
swconfig swconfig: fix memory leak when cli call swlib_get_attr() 2023-06-11 02:42:31 +02:00
vti vti: squash vtiv4 and vtiv6 packages into vti 2021-11-03 20:34:43 +01:00
vxlan vxlan: allow for dynamic source ip selection (FS#3426) 2020-12-31 11:53:21 +01:00
wifi-scripts wifi-scripts: move the "disabled" option to the wifi-iface section 2026-01-06 20:09:35 +01:00
xfrm xfrm: remove requirement for underlying device 2024-08-19 18:49:49 +02:00