diff --git a/DeviceMatrix.txt b/DeviceMatrix.txt
index 607ee87b..0af2237e 100644
--- a/DeviceMatrix.txt
+++ b/DeviceMatrix.txt
@@ -229,6 +229,7 @@ class: Layer3::C6500
 note: Comes in IOS and CatOS versions like the 6k series.
 note: CatOS versions like L2::Catalyst just fine.
 note: !Reported problems with SNMP taking up all the CPU.  Requests take significantly longer.
+note: !IOS Version 12.1.8a reported not to respond to BRIDGE-MIB calls.
 
 device: wsc4006