ssh client config: add support for OOB network

* Add support for the *.oob.wikimedia.org network to which a user should
  connect directly without passing via the bastions.
* Given those are network devices disable the StrictHostKeyChecking.

Change-Id: Ie683ee1132b26b12ddd43e39cdb88c719979d1c8
diff --git a/configs/ssh-client-config b/configs/ssh-client-config
index bd236f0..557dd74 100644
--- a/configs/ssh-client-config
+++ b/configs/ssh-client-config
@@ -1,5 +1,10 @@
 ## Production & External Zones
-Host bast1003.wikimedia.org bast2003.wikimedia.org bast3007.wikimedia.org bast4005.wikimedia.org bast5004.wikimedia.org bast6003.wikimedia.org
+# Out of band
+Host *.oob.wikimedia.org
+    StrictHostKeyChecking no
+
+# Out of band and bastions
+Host *.oob.wikimedia.org bast1003.wikimedia.org bast2003.wikimedia.org bast3007.wikimedia.org bast4005.wikimedia.org bast5004.wikimedia.org bast6003.wikimedia.org
     StrictHostKeyChecking yes
     ProxyCommand none
     ControlMaster auto