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Conference netcad::hub_mgnt

Title:	DEChub/HUBwatch/PROBEwatch CONFERENCE
Notice:	Firmware -2, Doc -3, Power -4, HW kits -5, firm load -6&7
Moderator:	NETCAD::COLELLADT

Created:	Wed Nov 13 1991
Last Modified:	Fri Jun 06 1997
Last Successful Update:	Fri Jun 06 1997
Number of topics:	4455
Total number of notes:	16761

1015.0. "PORT-CONFIG fade away?" by TKTVFS::KOIKE_T (Toy..Koike MCS Tsukuba Japan/4WD FREAK) Fri May 20 1994 13:44


	Hi.

	I have a like this problem.
	DECbridge900MX & DECconcentrator900MX in DEChub900MS are config-
	ualation for HUBwatch T3.0.39

	I did this procedure.

	1. Create LAN-FDDI bus in "LAN-interconnect menu".

	2. and config a DECbridge900MX & DECconcentrator900MX FDDI port
	   Trunk B & Trunk A(below)

                         DEChub900MS
Backplane:  ==========================================================
                       Port B |           Port A |
	      +--------------------+      +--------------------+
              |   DECbridge900MX   |      |DECconcentrator900MX|
              +--------------------+      +--------------------+
Front:            | Port A                               | Port B
           >------+(Trunk B)                (Trunk A)    +--------->
                                                         to next HUB.
	3. That's correct connected LAN-FDDI bus.

	4. and I remove the DECbidge900MX & concentorator900.(intentionary)

	5. once again, I inserted those Modules.

	6. Just then, That's Modules port-config fade away.
	   (return the default setting. Stump AB)
	   
                         DEChub900MS
Backplane:  ==========================================================
                                                        
	      +--------------------+      +--------------------+
              |   DECbridge900MX   |      |DECconcentrator900MX|
              +--------------------+      +--------------------+
Front:            |Port A    |Port B         |Port A     | Port B
           >------+          +               +           +--------->
                    (Stump)                    (Stump)   to next HUB.

	???
	Is this correct case?  
	I believed in no-lose setting this case.
	or What led to this problem?
	 	DEChub900MS's frimware "T3.0.19"
	     or HUBwatch Version "T3.0.39"

	Please advise me. 

	Regards,	
	/Toy.

T.R	Title	User	Personal Name	Date	Lines
1015.1		KAOFS::S_HYNDMAN	Acronym Decoder Ring Architect	`Fri May 20 1994 14:00`	10
	Hi Toy, As I understand it, the configurations are not saved. When you remove the modules, the configuration is lost. When the 900MX modules are inserted into the hub the only the front connectors are active by default ie. stump.
1015.2		QUIVER::SLAWRENCE		`Mon May 23 1994 12:47`	3
	Correct - if the hub 'see's you remove a module, the backplane configuration for it is deleted.
1015.3	I hope...	TKTVFS::KOIKE_T	Toy..Koike MCS Tsukuba Japan/4WD FREAK	`Mon May 23 1994 21:43`	8
	Thanks, this information. I hope the next version's "MAM" Firmware. Maybe, The DEChub900 will able to save configuration. Regards, Toy.
1015.4		QUIVER::SLAWRENCE		`Thu Jun 02 1994 18:40`	5
	Keeping the configuration of a slot you've seen a module removed from has a number of problems that we've never been able to come up with a solution to here that we can all agree on.