Hi all, 
I have recently started working on DTN and I tried to install ibr-dtn on TP-LINK routers (TL-MR3040) ver.1.0.
After installing OpenWRT on them, I followed the procedure for downloading IBR-DTN for OpenWRT from your website.
Nevertheless, while trying to install ibrdtn package, I received the following error.

root@OpenWrt:/etc# opkg install ibrdtnd
Installing ibrdtnd (0.10.2) to root...
Collected errors:
 * verify_pkg_installable: Only have 244kb available on filesystem /overlay, pkg ibrdtnd needs 479
 * opkg_install_cmd: Cannot install package ibrdtnd.


How can I overcome this issue? I have plugged a USB adapter, but I was not able to configure it properly to install there the packages.
Thanks in advance!


Best,
Theodoros