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Conference azur::mcc

Title:DECmcc user notes file. Does not replace IPMT.
Notice:Use IPMT for problems. Newsletter location in note 6187
Moderator:TAEC::BEROUD
Created:Mon Aug 21 1989
Last Modified:Wed Jun 04 1997
Last Successful Update:Fri Jun 06 1997
Number of topics:6497
Total number of notes:27359

2518.0. "LANBRIDGE 200'S and 2nd ethernet" by PJWL::LAMB (Peter Lamb - GSG Santa Clara MAIL=MUTTON::LAMB) Mon Mar 09 1992 23:51

Hello,

Given the following picture....



    ----------
   | Director|
    ----------
         |
         |        lan 1
 ----------------------------------------------------
                            |
                            |
                      --------------
                      | LB 200     |
                      --------------
                            |
                            |     lan 2
  ------------------------------------------------


1) Can the Lanbridge 200 be setup such that it monitors
the activity on lan 2 without forwarding any packets between the two lans?

2) How "granular" can the the bridge get as to traffic types?

   For example, a customer wants to know the % or # of a certain
   type of TCP/IP packet.  

3) Can you do anything like the Vitalink and do pattern matching??

Thanks!

Peter
T.RTitleUserPersonal
Name
DateLines
2518.1Set up LB100 to filter/forwardCUJO::HILLDan Hill-Net.Mgt.-Customer ResidentThu Mar 19 1992 00:0220
    Peter,
    
    You can put the LANbridge 200 in manual filter mode, then add a
    forwarding entry for specific addresses you wish to allow through the
    bridge.
    
    You should be able to monitor LAN 2 without allowing packets across,
    but I haven't tried it.  Perhaps I'll get a chance soon and I'll let
    you know.
    
    I have used DECelms on a LB200 for most monitoring because I like the
    display better than DECmcc.  You can spot trends easier.  You still
    have limitations on what you can monitor, though.  It is not as good as
    having a bridge set up as an LTM, but at least you can use the bridge
    for more than just monitoring.   %^)
    
    What "patterns" are you looking for?   I'll try to test this for you to
    see exactly what I can get.
    
    -Dan