Re: OSPF LSA type 3 filtering

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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