diff --git a/README.osd b/README.osd
index 161c264..5e5941c 100644
--- a/README.osd
+++ b/README.osd
@@ -24,6 +24,9 @@ To configure:
 Or, with optimization:
     CFLAGS="-O3 -DNDEBUG" ./configure --without-openssl --disable-karma --disable-thread-safety --enable-strict --enable-shared --disable-static --prefix=$(pwd)/install
 
+Or, with IB:
+    CFLAGS="-O3 -DNDEBUG" ./configure --without-openssl --disable-karma --disable-thread-safety --enable-strict --enable-shared --disable-static --prefix=$(pwd)/install --with-openib=/usr/local/openib-iser --with-openib-includes=/usr/local/openib-iser/include/ --with-openib-libs=/usr/local/openib-iser/lib/ --without-bmi-tcp
+
 To build kernel module, add:
     --with-kernel=/usr/src/linux