Citeren Mathias Kresin <d...@kresin.me>:
udhcpc doesn't send a hostname by default. Use the system hostname if
nothing else is specified, to always send a hostname.
Be aware that this might mean that some DHCP servers may assign a
different IP in this case. If I switch to odhcpc, I *will* get a
different IP address, despite the MAC address staying the same.
It syncs the behaviour to odhcpc, which always sends a hostname.
As someone else already commented, I'd too would prefer if this
changed functionality is optional and default to the existing behavior
of not sending the hostname.
Signed-off-by: Mathias Kresin <d...@kresin.me>
---
package/network/config/netifd/files/lib/netifd/proto/dhcp.sh | 1 +
1 file changed, 1 insertion(+)
diff --git
a/package/network/config/netifd/files/lib/netifd/proto/dhcp.sh
b/package/network/config/netifd/files/lib/netifd/proto/dhcp.sh
index ea02d68..143e445 100755
--- a/package/network/config/netifd/files/lib/netifd/proto/dhcp.sh
+++ b/package/network/config/netifd/files/lib/netifd/proto/dhcp.sh
@@ -40,6 +40,7 @@ proto_dhcp_setup() {
append dhcpopts "-x $opt"
done
+ [ -z "$hostname" ] && hostname="$(cat /proc/sys/kernel/hostname)"
[ "$broadcast" = 1 ] && broadcast="-B" || broadcast=
[ "$release" = 1 ] && release="-R" || release=
[ -n "$clientid" ] && clientid="-x 0x3d:${clientid//:/}" ||
clientid="-C"
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