From: Rick Foltz (ccie2b@xxxxxxxxxx)
Date: Thu May 24 2001 - 12:01:57 GMT-3
if you put a network off of r5, such as a loopback, and place that network in a
nother area, then you will see why you need a virtual link. the new network wil
l not show up on r7 or other areas.
Richard Foltz, CCNP-Voice, CCNP, CCDP, MCSE+I, Network+, A+
Network Infrastructure Engineer
ZettaWorks, LLC.
3rd Attemp @ RTP 11/2-3
"fwells12" <fwells12@hotmail.com> wrote ..
> Here is something I just stumbled over and am a little puzzled by. Network
> config is like ascii picture below...
>
> R4
> I
> I
> I
> Frame----------------R2
> I I
> I vlan20
> I I
> R7 ------------------CAT5--------isl trunk------------R6
> vlan70 I
> vlan50
> I
> R5
>
> R2/R4 and R7 are connected over the frame cloud and OSPF area 0 runs there
> only. Vlans 20/50/70 are all trunked on R6 which performs router on a
> stick.
> R4 has an ethernet LAN running OSPF area 2. OSPF area 3 runs on all the
> vlan
> links between R2/R7/R5 and R6 R5 and R6 only have OSPF area 3 defined
> under
> their OSPF processes yet I can still see complete routes to all other OSPF
> networks!! I am puzzled why I do not need a virtual link on R5 and R6
> to R2
> or R7 see the other OSPF networks. I can ping any and all OSPF networks
> from
> any and all routers. Anyone know why????
>
>
> Cheers
> **Please read:http://www.groupstudy.com/list/posting.html
**Please read:http://www.groupstudy.com/list/posting.html
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