diff --git a/guide/bent-pipe-radio-model.txt b/guide/bent-pipe-radio-model.txt
index 6c18b60..5e8ddbf 100644
--- a/guide/bent-pipe-radio-model.txt
+++ b/guide/bent-pipe-radio-model.txt
@@ -252,6 +252,18 @@ path-replace="emane-guide/examples"}}~
 representative of the waveform being emulated. The curves used for
 Bent Pipe radio model examples are for illustrative purposes only.}}~
 
+## Compatibility
+
+When used with the Bent Pipe radio model:
+
+1. ~{{link name="Physical Layer" file="physical-layer.md"
+section="#physical-layer"}}~ configuration parameter
+`compatibilitymode` must be set to `2`.
+
+2. ~{{link name="Virtual Transport" file="virtual-transport.md"
+section="#virtual-transport"}}~ configuration parameter
+`arpcacheenable` must be set to `off`.
+
 ## Configuration
 ~{{emaneinfo plugin=emane-model-bentpipe type=config}}~
 
diff --git a/guide/site/bent-pipe-radio-model.md b/guide/site/bent-pipe-radio-model.md
index 067d8b0..f09d36a 100644
--- a/guide/site/bent-pipe-radio-model.md
+++ b/guide/site/bent-pipe-radio-model.md
@@ -369,6 +369,16 @@ of the waveform being emulated.
 representative of the waveform being emulated. The curves used for
 Bent Pipe radio model examples are for illustrative purposes only.
 
+## Compatibility
+
+When used with the Bent Pipe radio model:
+
+1. [Physical Layer](physical-layer#physical-layer) configuration parameter
+`compatibilitymode` must be set to `2`.
+
+2. [Virtual Transport](virtual-transport#virtual-transport) configuration parameter
+`arpcacheenable` must be set to `off`.
+
 ## Configuration
 1. **`antenna.defines`**: Defines antennas available for use by
    transponders with the following format: