(Stop)

 (Reject)

 (Attn)

 (Data_b)

 (Data_a)

 (Start)

Slot Type      

Credits        

Status Count   

Src.  SlotID   

Dest. SlotID   

Msg. ACK #     

Msg. Seq #     

Src.  CircID   

Dest. CircID   

Src. Desc.     

Src. Name      

Svc. Desc.     

Svc. Name      

Svc. Rating    

     Service supports queuing

     Service enabled

Svc. Status    

Svc. Class     

Svc. Entry Len 

Svc. Count     

Src. Node Addr 

     Command Message OK

     Start Message OK

     Node disabled

SvcNode Status 

     Node does not offer requested service

Resp. Status   

Svc. Grp. Len  

 (param bytes follow…)

Param Len      

 (User reserved)

 (DEC reserved)

 (list end)

Param Code     

Src. Node      

Src. Group     

Dest. Node     

Resp. Timer    

Solicit ID     

Prot. Format   

     Unknown class 

     Interactive terminals 

Node Svc. Len  

 seconds

Svc. Desc.     

Svc. Name Cnt  

Svc. Rating    

Svc. Name      

Node Desc.     

Node Name      

Node Name Len  

Node Groups    

Node Grp Len   

 (No new sessions)

 (Accept sessions)

Node Status    

MCast Timer    

Recv Size      

      Other parameters changed

      Unpredictable

      Service classes changed

      Service descriptors changed

      Service ratings changed

      Service names changed

      Node descriptor changed

      Node group codes changed

Change Flags   

Msg. Inc.      

Curr ECO       

Curr Vers.     

Low Vers.      

High Vers.     

Svc. Timer     

Num Slots      

No Rsp)

Req Rsp)

 (Slave, 

 (Master, 

Response Info

Solicit Info

Status

Command

11

Srvc Ancmnt

Stop

Start

Run

Msg. Type      

   LAT Header

   Abbreviating DECnet…

NSP Control Message

NSP Data Message

NSP ACK Message

Routing Message

Endnode Hello Message

Router/State Pairs

Router Hello Message

DECnet Routing Header

System I.D. Message

Maintenance Operations Header

Seg. Size     

Info          

Services      

Reason        

   NSP Control Message

   NSP Data Message

FCVAL         

LS Flags      

Seg. Num.     

Ack. Other    

Ack. Num.     

Src. Addr     

Dest. Addr    

   NSP ACK Message

Checksum      

Start Area    

Num Areas     

   Cost   

Hops   

Start ID      

Num IDs       

Src. Node     

Level 2

Level 1

   Routing Message

………………………………………………………………………………………………

Info Val.    

Info Len.    

Info Type.   

Rec. Number  

Reserved     

   System I.D. Message

Code          

   MOP Header

Neighbor     

Seed         

   Endnode Hello Message

State   

Router  

R/S List Length  

EName   

E-List Length    

   Router/State Pairs

MPD          

Timer        

Area         

Priority     

Block Size   

IInfo        

Sender's ID  

User ECO     

ECO          

Version      

Flags        

   Router Hello Message

Prot. Type    

Svc. Class    

Visit Cnt.    

Next L2 Rtr   

Src. ID       

Src. SArea    

Src. Area     

Dest. ID      

Dest. SArea   

Dest. Area    

Flags         

Length        

   DECnet Routing Header