Re: OSPF LSA type 3 filtering

Except that with the IS-IS the hostname is carried in each routers LSP
(hostname TLV), so there is no dependency on DNS, or manual configuration
on the routers required (Which is very nice imho).

-Yuri

On Fri, Jan 4, 2013 at 12:10 PM, Marko Milivojevic <markom_at_ipexpert.com>wrote:

> You mean the output you'd get if you used "ip ospf name-lookup" ;-)
>
> --
> Marko Milivojevic - CCIE #18427 (SP R&S)
> Senior CCIE Instructor - IPexpert
>
> On Fri, Jan 4, 2013 at 12:07 PM, rakesh madupu <raaki.88_at_gmail.com> wrote:
> > For me, I love isis in our customer deployments because it shows
> > neighboring devices names which is peers with, specially with RR's names
> ,
> > life get so much simpler instead of reading an Ip address and
> associating it
> > again :)
> >
> >
> > On Sat, Jan 5, 2013 at 12:34 AM, Marko Milivojevic <markom_at_ipexpert.com>
> > wrote:
> >>
> >> IS-IS supports multiple routed protocols, i.e. IPv4 and IPv6, whereas
> >> OSPF doesn't.
> >>
> >> Also, in the time when MPLS-TE was emerging as a technology, IS-IS
> >> behavior to flood unknown TLVs instead of resetting adjacencies when
> >> it receives them (OSPF does that when it receives an unknown LSA).
> >> meant a very controlled deployment of new technologies. The fact it's
> >> not IP, also has some security benefits (cannot be remotely attacked).
> >> Etc.
> >>
> >> What Joseph said is... not quite the reason, since IS-IS also has a
> >> requirement for a contiguous L2 area.
> >>
> >> --
> >> Marko Milivojevic - CCIE #18427 (SP R&S)
> >> Senior CCIE Instructor - IPexpert
> >>
> >> On Fri, Jan 4, 2013 at 10:34 AM, Imran Ali <immrccie_at_gmail.com> wrote:
> >> > marko i need to know why they use is-is over ospf
> >> >
> >> > On Fri, Jan 4, 2013 at 8:53 PM, Marko Milivojevic <
> markom_at_ipexpert.com>
> >> > wrote:
> >> >>
> >> >> In reality, for this purpose, IS-IS and OSPF are pretty much the same
> >> >> (Type 2 vs Pseudonode LSP). They both use a very similar approach to
> >> >> solve the same calculation problem.
> >> >>
> >> >> Carriers tend to use IS-IS for one other reason (to some extent
> >> >> remedied by OSPFv3). This is a separate discussion though.
> >> >>
> >> >> --
> >> >> Marko Milivojevic - CCIE #18427 (SP R&S)
> >> >> Senior CCIE Instructor - IPexpert
> >> >>
> >> >>
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> >>
> >>
> >>
> >>
> >
> >
> >
> > --
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> >
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Received on Fri Jan 04 2013 - 12:17:32 ART