From: Khawar Butt (khawarb@hotmail.com)
Date: Wed Jan 31 2007 - 08:02:55 ART
Hi,
Change the network type to point-to-point it asked that the networks should
show up with the actual mask. By default, the Loopback networks are treated as
stub networks and advertised with a /32 network in OSPF. You would not have to
worry about it on this exam, as the routing sections should be
pre-configured.Khawar B. CCIE # 12353 (R/S, Security, SP)
Khawarb@hotmail.com
http://www.netmetric-solutions.com
> Subject: RE: OSPF configuration explanation Lookpback 0> Date: Wed, 31 Jan
2007 08:39:22 +0200> From: andrew.larkins@BTGroup.co.za> To:
router.mou@gmail.com; ezorrilla@tsf.com.pe; ccielab@groupstudy.com> CC:
security@groupstudy.com> > Hi, > > Late in on this one, but the point to point
network types advertises the> actual mask as I understand it and not the
default /32 > > -----Original Message-----> From: nobody@groupstudy.com
[mailto:nobody@groupstudy.com] On Behalf Of> steve> Sent: 30 January 2007
15:56> To: 'Edouard Zorrilla'; ccielab@groupstudy.com> Cc:
security@groupstudy.com> Subject: RE: OSPF configuration explanation Lookpback
0> > My understanding is that: > Check the ospf database, for loopback, OSPF
treat it as a stub network,> and so the network mask is 255.255.255.255.> If i
can the network type to point-to-point, ospf will treat it as a> transit
network, then the network mask sets according to the interface's> network
mask. > Regards> Steve> > -----Original Message-----> From:
nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of> Edouard
Zorrilla> Sent: 2007Dj1TB30HU 20:53> To: ccielab@groupstudy.com> Cc:
security@groupstudy.com> Subject: OSPF configuration explanation Lookpback 0>
> Hello Group,> > Is there any explanation why when I set the interface
loopback 0 as a> "ip ospf network point-to-point":> > Rack1R2(config)#int lo0>
Rack1R2(config-if)#ip ospf network point-to-point> > It is being learned as a
/24 instead a /32:> > 150.1.0.0/24 is subnetted, 2 subnets> O 150.1.2.0
[110/65] via 163.1.12.2, 00:00:05, Serial0/3/0> Rack1R1#> > I mean which
caracteristic of the point-to-point network make it is> being shown as a /24
?> > Regards> >
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