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Phone: (301) 225-7361, DSN: 312-375-7361
Fax: (301) 225-0576
JCSS@disa.mil
1. How is link utilization calculated in the Capacity Planner? [Answer]
2. What is required for my custom device model to work with the Capacity Planner? [Answer]
3. Why does the version of OPNET Modeler and JCSS have to be compatible releases? [Answer]
4. What routing algorithm does the Capacity Planner use? [Answer]
5. Some IERs in my network are failed. How do I go about finding the causes of failure? [Answer]
6. When I run a DES with multiple seed values, the results from the most recent run overwrites the one before. Is there a way I can collect the results from all simulation runs, so that I can compare them? [Answer]
7. If I modify a Template OPFAC, will the related OPFACs in my scenario change? [Answer]
8. Can I add new security classification levels? [Answer]
9. Why do I get this error when I run my discrete even simulation: "A packet is received from a port with no bentpipe configured."?
[Answer]
10. What does "There was no path at the IP layer" mean in the CP web report? [Answer]
11. Traffic in my network varies over time. Is there a way I can capture the effects of changing traffic in a Capacity Planner evaluation? [Answer]
12. When computing Line of Sight, how do we compute the altitude for an OPFAC w.r.t. the terrain profile and antenna height? What value do we use for the antenna height? [Answer]
13. Does the Capacity Planner use Flow Analysis? [Answer]
14. Even though I specify multiple consumers for an IER, the traffic seems to be routed only to the first one? Isn't the traffic supposed to be identically routed to each of the consumers in the multiple consumer list? [Answer]
15. Can I run different dynamic protocols on my network? [Answer]
16. Will changing the value for the "IP Dynamic Routing Protocol" advanced attribute affect some or all the routers in my network? [Answer]
17. How is grade of service calculated? [Answer]
18. I see some of the IERs reported as Undelivered. Where did they go? [Answer]
19. What are Undelivered IERs? How are they calculated? [Answer]
20. I have large data IERs (greater than 20 Mb.) and none of the IERs go through? Why? [Answer]
21. All my data IERs are failed or reported as being Undelivered. What could be the reason? [Answer]
22. I want to see the routing tables generated during the simulation. How can I do that? [Answer]
23. JCSS aborts when I try to use it on a system without a compiler installed, did I install it properly? [Answer]
24. What is the "Message" IER field and how is it used? [Answer]
25. In previous versions of JCSS, I was allowed to use DES using only a Simulation Runtime License. This no longer seems to be the case. Can I still use this license to run DES in JCSS? [Answer]
26. Why do I need OPNET Modeler or IT Guru to run JCSS? [Answer]
27. Who do I contact to register for JCSS Training Courses? [Answer]
28. How do I get access to JCSS Software? [Answer]
29. Does JCSS support VNE Server Imports? [Answer]
30. Does JCSS support Netmapper? Does it require a special license? [Answer]
31. Can I import IERs after the IER database has been removed from JCSS 8.0? [Answer]
32. Does the EPLRS model support IP Multicast? [Answer]
33. Does the EPLRS model support the MSG Needline? [Answer]
34. Does JCSS support HAIPE Peer Discovery Model? [Answer]
35. What do I need to have in order to be able to run Discrete Event Simulation (DES)? [Answer]
36. How do I report a problem or request assistance with JCSS? [Answer]
37. Which module licenses are normally provided with JCSS? [Answer]
38. Which additional module license can JCSS take advantage of? [Answer]
39. How do I contribute models to the JCSS Library? [Answer]