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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

333.0. "Adresses move during several SHOW ADDRESS cmds." by FRSCS::AURAND () Wed Aug 11 1993 04:02

Hi everybody,

a customer of us encountered a strange problem with the SHOW ADDRESS output
form his DECbridges 90 (V1.14 FPROM 3.1).
If compared the output of several show address commands from the same DECbridge
and he saw different port and slot number for the same ethernet address (see 
the example output below).

This problem appears more intensiv, when

 - an address will be seen only for a short time (e.g. during a PCSA Remote 
   Boot - request with the hardware address, working with physical address)

 - the segmentation-errors on PORT 0 (not port 1-6) arise

 - the traffic at the workgroup side of the network is high.


Any ideas what's the cause of this strange behaviour

	Many thanks in advance

		Andreas

Btw. Entry 56 discribes the same problem, but no result
    
    
Konfiguration:

      Cisco Bridge
          |
|------------------- Thickwire ----------------------------------------------|
              |                               |
	 LTM Bridge			DEC Hub 90 (several)
              |				
	      |				    With 1 DECbridge 90
	 Fibre Optic		        	 2-5 DECrepeater 90 (Thinwire)
              |				         1-2 DECserver 90x
              |
              |
	   Remote                                                                                                                          
	    Site


Different outputs from a SHOW ADDRESS

DECbridge 90 V1.14  08-00-2B-24-15-53 ) 1991 Digital Equipment Corp                                                                 
FPROM V3.1 )1991,93 Digital Equip Corp 5-APR-93                                                                                     
DECbridge> SH ADDR                                                                                                                  
Address 1: 00-AA-00-10-0D-D1 hub 1 slot 5 port 6                                                                                    
Address 2: 00-00-1B-34-01-11 hub 1 slot 7 port 4                                                                                    
Address 3: AA-00-04-00-64-04 hub 1 slot 6 port 4                                                                                    
Address 4: 08-00-2B-25-FD-36                                                                                                        
Address 5: 08-00-20-0F-20-38 hub 1 slot 6 port 4                                                                                    
Address 6: 08-00-20-11-05-DC hub 1 slot 4 port 3                                                                                    
Address 7: 08-00-09-02-38-86 hub 1 slot 4 port 3                                                                                    
Address 8: 08-00-20-0D-BF-00 hub 1 slot 6 port 3                                                                                    
Address 9: 08-00-20-0D-0A-D8 hub 1 slot 7 port 2                                                                                    
Address 10: 08-00-20-0D-02-6F hub 1 slot 6 port 3                                                                                   
Address 11: 08-00-20-0B-FB-82 hub 1 slot 7 port 1                                                                                   
Address 12: 08-00-20-0B-ED-82 hub 1 slot 7 port 2                                                                                   
Address 13: 08-00-20-0D-09-71 hub 1 slot 7 port 1                                                                                   
Address 14: 02-07-01-05-17-C6 hub 1 slot 7 port 6                                                                                   
Address 15: 08-00-20-0E-57-66 hub 1 slot 6 port 4                                                                                   
Address 16: 08-00-2B-25-F9-BD                                                                                                       
Address 17: 08-00-2B-2A-13-B6 hub 1 slot 5 port 3                                                                                   
Address 18: 00-00-1B-33-F4-CE hub 1 slot 4 port 5                                                                                   
Address 19: AA-00-04-00-B8-05 hub 1 slot 4 port 2                                                                                   
Address 20: 00-00-1B-34-7F-5E hub 1 slot 7 port 6                                                                                   
Address 21: 08-00-2B-26-E2-AB hub 1 slot 7 port 1                                                                                   
Address 22: 08-00-20-18-70-30 hub 1 slot 4 port 3                                                                                   
Address 23: 08-00-2B-17-A7-64 hub 1 slot 7 port 1 <--- !!!!!!!!!!
Address 24: 00-00-1B-34-6B-61 hub 1 slot 6 port 1                                                                                   
Address 25: AA-00-04-00-7C-05 hub 1 slot 4 port 2                                                                                   
Address 26: 00-00-1B-35-BD-32 hub 1 slot 6 port 6                                                                                   
Address 28: 08-00-20-0B-F2-55 hub 1 slot 4 port 4                                                                                   
Address 29: AA-00-04-00-B3-05 hub 1 slot 5 port 5                                                                                   
                                                                                                                                    
DECbridge 90 V1.14  08-00-2B-24-15-53 ) 1991 Digital Equipment Corp                                                                 
FPROM V3.1 )1991,93 Digital Equip Corp 5-APR-93                                                                                     
DECbridge> SH ADDR                                                                                                                  
Address 1: 00-AA-00-10-0D-D1 hub 1 slot 5 port 6                                                                                    
Address 2: 00-00-1B-34-01-11 hub 1 slot 7 port 4                                                                                    
Address 3: AA-00-04-00-64-04 hub 1 slot 6 port 4                                                                                    
Address 4: 08-00-2B-25-FD-36                                                                                                        
Address 5: 08-00-20-0F-20-38 hub 1 slot 6 port 4                                                                                    
Address 6: 08-00-20-11-05-DC hub 1 slot 4 port 3                                                                                    
Address 7: 08-00-09-02-38-86 hub 1 slot 4 port 3                                                                                    
Address 8: 08-00-20-0D-BF-00 hub 1 slot 6 port 3                                                                                    
Address 9: 08-00-20-0D-0A-D8 hub 1 slot 7 port 2                                                                                    
Address 10: 08-00-20-0D-02-6F hub 1 slot 6 port 3                                                                                   
Address 11: 08-00-20-0B-FB-82 hub 1 slot 7 port 1                                                                                   
Address 12: 08-00-20-0B-ED-82 hub 1 slot 7 port 2                                                                                   
Address 13: 08-00-20-0D-09-71 hub 1 slot 7 port 1                                                                                   
Address 14: 08-00-2B-17-A7-64 hub 1 slot 6 port 2  <---  !!!!!!!!                                                                         
Address 15: 08-00-20-0E-57-66 hub 1 slot 6 port 4                                                                                   
Address 16: 08-00-2B-25-F9-BD                                                                                                       
Address 17: 08-00-2B-2A-13-B6 hub 1 slot 5 port 3                                                                                   
Address 18: AA-00-04-00-F0-05 hub 1 slot 5 port 5                                                                                   
Address 19: 00-00-1B-34-7F-5E hub 1 slot 7 port 6                                                                                   
                                                                                                                                    
                                                                                                                                    
DECbridge 90 V1.14  08-00-2B-24-15-53 ) 1991 Digital Equipment Corp                                                                 
FPROM V3.1 )1991,93 Digital Equip Corp 5-APR-93                                                                                     
DECbridge> SH ADDR                                                                                                                  
Address 1: 00-AA-00-10-0D-D1 hub 1 slot 5 port 6                                                                                    
Address 2: 00-00-1B-34-01-11 hub 1 slot 7 port 4                                                                                    
Address 3: AA-00-04-00-64-04 hub 1 slot 6 port 4                                                                                    
Address 4: 08-00-2B-25-FD-36                                                                                                        
Address 5: 08-00-20-0F-20-38 hub 1 slot 6 port 4                                                                                    
Address 6: 08-00-20-11-05-DC hub 1 slot 4 port 3                                                                                    
Address 7: 08-00-09-02-38-86 hub 1 slot 4 port 3                                                                                    
Address 8: 08-00-20-0D-BF-00 hub 1 slot 6 port 3                                                                                    
Address 9: 08-00-20-0D-0A-D8 hub 1 slot 7 port 2                                                                                    
Address 10: 08-00-20-0D-02-6F hub 1 slot 6 port 3                                                                                   
Address 11: 08-00-20-0B-FB-82 hub 1 slot 7 port 1                                                                                   
Address 12: 08-00-20-0B-ED-82 hub 1 slot 7 port 2                                                                                   
Address 13: 08-00-20-0D-09-71 hub 1 slot 7 port 1                                                                                   
Address 14: 00-00-1B-34-7F-5E hub 1 slot 7 port 6                                                                                   
Address 15: 08-00-20-0E-57-66 hub 1 slot 6 port 4                                                                                   
Address 16: 08-00-2B-25-F9-BD                                                                                                       
Address 17: 08-00-2B-2A-13-B6 hub 1 slot 5 port 3                                                                                   
Address 18: 02-07-01-05-17-C6 hub 1 slot 7 port 6                                                                                   
Address 19: 00-00-1B-34-18-D0 hub 1 slot 7 port 5                                                                                   
Address 20: 08-00-2B-15-5B-89 hub 1 slot 7 port 2                                                                                   
Address 21: 00-00-1B-33-F4-CE hub 1 slot 4 port 5                                                                                   
Address 22: 08-00-20-18-70-30 hub 1 slot 4 port 3                                                                                   
Address 23: 00-AA-00-0C-86-7C hub 1 slot 5 port 4                                                                                   
Address 24: AA-00-04-00-B8-05 hub 1 slot 4 port 2                                                                                   
Address 25: AA-00-04-00-B3-05 hub 1 slot 5 port 5                                                                                   
Address 26: AA-00-04-00-5D-05 hub 1 slot 7 port 2                                                                                   
Address 27: AA-00-04-00-30-05 hub 1 slot 6 port 3                                                                                   
Address 28: 08-00-20-0B-F2-55 hub 1 slot 4 port 4                                                                                   
Address 29: AA-00-04-00-B9-05 hub 1 slot 4 port 2                                                                                   
Address 30: 00-00-1B-34-6B-61 hub 1 slot 6 port 1                                                                                   
Address 31: AA-00-04-00-7B-04 hub 1 slot 6 port 3                                                                                   
Address 33: 00-00-1B-35-BD-32 hub 1 slot 6 port 6                                                                                   
Address 34: 00-00-1B-33-D8-FD hub 1 slot 5 port 2                                                                                   
Address 35: 08-00-2B-17-A7-64 hub 1 slot 4 port 2  <-- !!!                                                                          
Address 36: 08-00-2B-17-9A-D0                                                                                                       
Address 37: 00-00-1B-34-39-3A hub 1 slot 5 port 6                                                                                   
Address 38: 08-00-2B-17-7C-72                                                                                                       
Address 39: 00-00-1B-33-F5-E2 hub 1 slot 5 port 1                                                                                   
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