fabian18

> what's the best way to test this? I used to test with 2 instances of "examples/gcoap" and `tapsetup`, but now I cannot ping from `tap0` to `tap1` anymore -...

> I used to test with 2 instances of "examples/gcoap" and tapsetup, but now I cannot ping from tap0 to tap1 anymore - strange. Hmm... [this](https://unix.stackexchange.com/questions/572022/linux-bridge-for-virtual-machines-not-forwarding-ip-packets-but-is-forwarding-a) article solved my issue...

Thanks for testing. I will look into it. It could be that it is some expected limitation.

Only one observer per resource is supported: ``` * A CoAP client may register for Observe notifications for any resource that * an application has registered with gcoap. An application...

Maybe there is a CoAP way to tell the client, that Observe cannot be honored for the reason that another client is observing the resource currently.

> Maybe there is a CoAP way to tell the client, that Observe cannot be honored for the reason that another client is observing the resource currently. From [RFC7641](https://datatracker.ietf.org/doc/html/rfc7641#section-4.1) >...

I executed `make -C examples/gcoap generate-Makefile.ci` but actually it only purged boards from the list because I guess the builds are failing in the Docker container due to permission issue:...

> I executed `make -C examples/gcoap generate-Makefile.ci` but actually it only purged boards from the list because I guess the builds are failing in the Docker container due to permission...

I think when there is an option after the BLOCK2 option the `memmove` is still not correct. I added a SIZE2 option afterwards and tried to fix the issue. The...

 It happens because first we assume `more=true` --> `[block num 0, more 1, szx 0]`. It is encoded as 3 bytes `0xd1, 0x06, 0x08`. Meaning delta...