diff --git a/build/simh/config.202 b/build/simh/config.202
index 40cc2852..43695a64 100644
--- a/build/simh/config.202
+++ b/build/simh/config.202
@@ -959,6 +959,16 @@ IFN DBRM80, DEFOPT RM80P==1	; with one RM80
 DEFOPT NMTCS==1		;Number of magtape units (so why not NMTUS?)
 DEFOPT TM03S==1		;TM03/RH11 Unibus tape controller
 
+DEFOPT NETP==1		;Has one kind of network anyway
+DEFOPT INETP==1		; Include Internet code
+DEFOPT TCPP==1		; Include TCP code
+DEFOPT XBL==30.		; # TCP network channels
+DEFOPT IMPP==1		; Has an IMP interface
+DEFOPT KSIMP==1		; ACC LH/DH interface on KS unibus
+DEFOPT IMPUS==206	; ARPA net host number
+DEFOPT IMPUS3==<IPADDR 10,2,0,6>	; Internet host number of IMP
+DEFOPT PKTTRC==-1	;Packet tracing code enabled
+
 DEFOPT DZ11P==1		;Has DZ11 TTY controllers
  DEFOPT DZ11NB==1	; 1 of them
  DEFSYM DZ0BA=:760010
@@ -978,6 +988,15 @@ DEFSYM PMRCM==001777	;2.1 - 1.1 Physical page number
 			;	 addresses.) 
 DEFSYM PMUNSD==146000	;Unused bits
 
+DEFOPT IMPUS==100.	; IMP net host number (old-style) (100 octal)
+DEFOPT IMPUS3==<IPADDR %IP%>	; IP address
+DEFOPT NM%IMP==<IPADDR %NETMASK%>	; Subnet mask
+DEFOPT PKTTRC==-1	;Packet tracing code enabled
+DEFOPT CHAOSP==%CHAOSP% ;Has CHAOS net
+DEFOPT MYCHAD==%CHAOSA% ;CHAOS net address
+DEFOPT NINDX==50.       ;Number of indices
+DEFOPT CH11P==%CHAOSP%  ;CHAOS net goes through Unibus
+
 DEFINE ITSIRP BODY
 IRPS ITS,,[DB]
 BODY