Re: virtual link and nssa [7:59174]

2002-12-13 Thread Peter van Oene
On Fri, 2002-12-13 at 05:59, Sara Li wrote:
 Dear all, I am doing the cyscoexpert sample lab.
 R1--area12--R2---Area51---R5---Area0 area 12 cant receive lsa type 5
 routes, so it need to be either a nssa or stub, however, there is virtual
 link between r2 and r5, can r2 be configured with stub or nssa at the
 same time with virtual link to r5? i thought i read it somewhere stub
 cant be virtual link? Pls help.  

Virtual Links must not use stub areas for transit due to the fact that
the virtual link does not provide for type 5 flooding, and therefore
expects the transit area to provide these LSAs.  An NSSA area is a stub
area.

Pete


 
 
 
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Re: virtual link and nssa [7:59174]

2002-12-13 Thread wanabe ccie
i once encountered the same problem when i did a practice lab. well i think
you should put a tunnel from r2 to r5 to connect area 12 to area 0. don't
put a virtual link for them because you won't be able to make area 12
stubby. hope that helps :)


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RE: virtual link and nssa [7:59174]

2002-12-13 Thread Peter van Oene
On Fri, 2002-12-13 at 09:25, Casey, Paul (6822) wrote:
 Use a GRE tunnel to create a virtual link through a NSSA, it the only
 way,.,,

With a tunnel, you will obviate the need for the VL in the first place.

 
 Check cisco web site for this...!!!
 
 
  -Original Message-
  From:   Peter van Oene [SMTP:[EMAIL PROTECTED]]
  Sent:   13 December 2002 14:08
  To: [EMAIL PROTECTED]
  Subject:Re: virtual link and nssa [7:59174]
  
  On Fri, 2002-12-13 at 05:59, Sara Li wrote:
   Dear all, I am doing the cyscoexpert sample lab.
   R1--area12--R2---Area51---R5---Area0 area 12 cant receive lsa type 5
   routes, so it need to be either a nssa or stub, however, there is
  virtual
   link between r2 and r5, can r2 be configured with stub or nssa at the
   same time with virtual link to r5? i thought i read it somewhere stub
   cant be virtual link? Pls help.  
  
  Virtual Links must not use stub areas for transit due to the fact that
  the virtual link does not provide for type 5 flooding, and therefore
  expects the transit area to provide these LSAs.  An NSSA area is a stub
  area.
  
  Pete
  
  
   
  

   
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