Hi all,
    As I understand from RFC2328, address range is
supported only at the ABR. What I like to do is to be
able to advertise selective individual subnets and
hosts on a given LAN without using ABR. Consider the
following:

                          LAN1
                 <------10.1.0.0------>

                10.1.1.0 10.1.2.0
R2-------R1----- bridge1 -------bridge2-----R3
  \ /
    \ /
      ------------bridge3---------------
                 20.1.0.0
                   LAN2

LAN1 includes bridge1 and bridge2
LAN2 includes bridge3
bridge1 covers subnet 10.1.1.0
bridge2 covers subnet 10.1.2.0
bridge3 covers subnet 20.1.0.0
LAN1 covers subnet 10.1.0.0
LAN2 covers subnet 20.1.0.0

What I need:
- When connection between bridge1 and bridge2 is okay,
both R1 and R3 advertise 10.1.0.0 to R2
- When connection between bridge1 and bridge2 FAILED,
R1 advertise 10.1.1.0 to R2, R3 advertise 10.1.2.0 to
R2

Given all routers are within a single OSPF area,
address range is not feasible.

In what form should R1 advertise 10.1.1.0 to R2?
- external route???
- address range but R1 is not ABR???

Any suggestion is greatly appreciated.

thanx in advance,
Michael

__________________________________________________
Do You Yahoo!?
Get personalized email addresses from Yahoo! Mail
http://personal.mail.yahoo.com/

• Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]