yeap gotcha , Try it on a ethernet interface, rather than a serial interface and see the fun.
then try on one side as point to point and one side as Bcast and let me know the results On Tue, Jun 5, 2012 at 10:51 PM, Marko Milivojevic <[email protected]>wrote: > There you go: > > R2---R5 > > R2: > interface Serial0/2/0 > ip address 192.168.25.2 255.255.255.0 > ip ospf network point-to-point > ! > router ospf 1 > network 192.168.0.0 0.0.255.255 area 0 > ! > > R5: > interface Serial0/2/0 > ip address 192.168.25.5 255.255.255.0 > ip ospf network broadcast > ! > router ospf 1 > network 192.168.0.0 0.0.255.255 area 0 > ! > > R2: > R2#sh ip ospf nei > > Neighbor ID Pri State Dead Time Address Interface > 192.168.0.5 0 FULL/ - 00:00:38 192.168.25.5 > Serial0/2/0 > > R2#sh ip ospf data > > OSPF Router with ID (192.168.0.2) (Process ID 1) > > Router Link States (Area 0) > > Link ID ADV Router Age Seq# Checksum Link count > 192.168.0.2 192.168.0.2 114 0x80000003 0x00F1E7 3 > 192.168.0.5 192.168.0.5 115 0x80000003 0x0091F4 2 > > Net Link States (Area 0) > > Link ID ADV Router Age Seq# Checksum > 192.168.25.5 192.168.0.5 115 0x80000001 0x0086E3 > > R2#sh ip route ospf > > > > R5: > > R5#sh ip ospf nei > > Neighbor ID Pri State Dead Time Address Interface > 192.168.0.2 1 FULL/BDR 00:00:36 192.168.25.2 > Serial0/2/0 > > R5#sh ip ospf data > > OSPF Router with ID (192.168.0.5) (Process ID 1) > > Router Link States (Area 0) > > Link ID ADV Router Age Seq# Checksum Link count > 192.168.0.2 192.168.0.2 115 0x80000003 0x00F1E7 3 > 192.168.0.5 192.168.0.5 114 0x80000003 0x0091F4 2 > > Net Link States (Area 0) > > Link ID ADV Router Age Seq# Checksum > 192.168.25.5 192.168.0.5 114 0x80000001 0x0086E3 > > R5#sh ip route ospf > > > -- > Marko Milivojevic - CCIE #18427 (SP R&S) > Senior CCIE Instructor - IPexpert > > On Tue, Jun 5, 2012 at 10:16 AM, Marko Milivojevic <[email protected]> > wrote: > > Try it... It's such a common problem we even have it in many of our > workbooks. > > > > Link state updates are not multicast. > > > > -- > > Marko Milivojevic - CCIE #18427 (SP R&S) > > Senior CCIE Instructor - IPexpert > > > > On Tue, Jun 5, 2012 at 10:10 AM, HEMANTH RAJ <[email protected]> > wrote: > >> Hi Marko , > >> > >> hmm i don't see my databases synchronized if i have one side as BCAST > and > >> other side as point to point. > >> how will DR accept on 224.0.0.5 if he thinks others are DRother > >> how will the DB are synced ? > >> could u explain me a bit more ? > >> > >> > >> On Tue, Jun 5, 2012 at 9:47 PM, Marko Milivojevic <[email protected]> > >> wrote: > >>> > >>> On Tue, Jun 5, 2012 at 9:10 AM, Venkee <[email protected]> wrote: > >>> > In this case, from one end (BCAST), would see the type-2 lsa in > database > >>> > but > >>> > not on router where we have p-t-p, he might have said this > >>> > >>> That is correct. However, if you look at the adjacency between the two > >>> routers, it would appear as perfectly valid and the databases will be > >>> in sync. > >>> > >>> Another difference you will see in the database is the type of link in > >>> Type-1 LSA that will be Point-to-point/Stub on the p2p side and > >>> Transit on the broadcast side. This discrepancy is the one routers > >>> will use to identify the problem and cause them not to "trust" each > >>> other. > >>> > >>> -- > >>> Marko Milivojevic - CCIE #18427 (SP R&S) > >>> Senior CCIE Instructor - IPexpert > >> > >> > >> > >> > >> -- > >> Problems arise because we talk,problems are not solved because we don't > talk > >> So good or bad talk to your affectionate one's freely. > >> > >> Yours Friendly, > >> H P HEMANTH RAJ > >> CCIE#28593 (R&S) > >> > >> > -- Problems arise because we talk,problems are not solved because we don't talk So good or bad talk to your affectionate one's freely. Yours Friendly, H P HEMANTH RAJ CCIE#28593 (R&S) _______________________________________________ For more information regarding industry leading CCIE Lab training, please visit www.ipexpert.com Are you a CCNP or CCIE and looking for a job? Check out www.PlatinumPlacement.com http://onlinestudylist.com/mailman/listinfo/ccie_rs
