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odhcpd does not seem to respond to dynamicaly created interfaces such as ppp1 etc..

Open M0NWY opened this issue 4 years ago • 2 comments

I'm probably the only person trying to get ipv6 working via pppoe to down stream routers on openwrt. I can establish an ipv6 local link connection over pppoe but it looks like odcpd isn't responding to requests that come in over these interfaces. I may be doing something wrong, but is this expected behavior and how would I go about enabling it ? Cheers.

M0NWY avatar Jan 30 '21 23:01 M0NWY

So iI'm probably the only person still trying to get ipv6 working via PPPoE to downstream peers. Having the same problem. odhcpd does not relay nor advertise on ppp+ interfaces. It just logs this: Failed to send to fd4f:[my-subnet]::1%downstream@ppp0 (Bad file descriptor) where "downstream" is the uci interface that uses a ~physical~ bridge interface, and ppp0 is brought up by rp-pppoe service. Edit: Works as expected on an the actual ppp0. Still does not make sense to me why odhcp works on bridged intefaces+VLANs (br-an) but not on bridged pppX devices. That way several ppp+ devices could be joined in one UCI interface.

Tabiskabis avatar Mar 22 '23 00:03 Tabiskabis

I also have the same question

love-xia avatar Feb 01 '24 13:02 love-xia