I agree 100% with Rick. Unless you are forced to use a GRE tunnel, I would stick to the built in feature of the OSPF virtual-link. It saves IP addresses, and on complexity as far as I'm concerned.
On Thu, Dec 24, 2009 at 3:57 AM, Rick Mur <[email protected]> wrote: > When the lab doesn't tell you anything, I would always use a virtual-link. > It saves you to add IP addresses to your network (on the Tunnel), which > might be prohibited (or sorta allowed, always very vague) and it saves you > another type of traffic in the network, that might cause problems later on > when you have to configure ACL's or CBAC. > > In real-life I would redesign the network :-) > > > -- > Regards, > > Rick Mur > CCIE2 #21946 (R&S / Service Provider) > Sr. Support Engineer – IPexpert, Inc. > URL: http://www.IPexpert.com > > On 24 dec 2009, at 09:36, Matt Hill wrote: > > When the lab scenario tells you that you arent allowed to use the other one > :) > > Cheers, > Matt > > CCIE #22386 > CCSI #31207 > > 2009/12/24 chtioui lazhar <[email protected]> > >> >> hello experts, >> >> In ospf domain, to connect area x to backbone area it's better to >> configure virtual link or tunnel interface and put it in area 0. >> >> i mean, to connect an area to area 0, when we choose to configure virtual >> link and when we choose to configure tunnel interface? >> >> thanks >> >> lazhar >> >> _______________________________________________ >> For more information regarding industry leading CCIE Lab training, please >> visit www.ipexpert.com >> >> > _______________________________________________ > For more information regarding industry leading CCIE Lab training, please > visit www.ipexpert.com > > > > _______________________________________________ > For more information regarding industry leading CCIE Lab training, please > visit www.ipexpert.com > > -- Regards, Joe Astorino CCIE #24347 (R&S) Sr. Technical Instructor - IPexpert Mailto: [email protected] Telephone: +1.810.326.1444 Live Assistance, Please visit: www.ipexpert.com/chat eFax: +1.810.454.0130 IPexpert is a premier provider of Classroom and Self-Study Cisco CCNA (R&S, Voice & Security), CCNP, CCVP, CCSP and CCIE (R&S, Voice, Security & Service Provider) Certification Training with locations throughout the United States, Europe and Australia. Be sure to check out our online communities at www.ipexpert.com/communities and our public website at www.ipexpert.com
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