That's true. It's nice, but not something I would stress as an
advantage of IS-IS over OSPF. There are other things, as I mentioned
before ;-)
-- Marko Milivojevic - CCIE #18427 (SP R&S) Senior CCIE Instructor - IPexpert On Fri, Jan 4, 2013 at 12:17 PM, Yuri Bank <yuribank_at_gmail.com> wrote: > 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 >> >> >> >> >> >> >> >> >> Blogs and organic groups at http://www.ccie.net >> >> >> >> >> >> >> >> >> _______________________________________________________________________ >> >> >> Subscription information may be found at: >> >> >> http://www.groupstudy.com/list/CCIELab.html >> >> >> >> >> >> Blogs and organic groups at http://www.ccie.net >> >> >> >> _______________________________________________________________________ >> >> Subscription information may be found at: >> >> http://www.groupstudy.com/list/CCIELab.html >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> > >> > >> > >> > -- >> > Any Fool can Know The Point is to Understand - Einstein >> > >> > www.cciematrix.com >> >> >> Blogs and organic groups at http://www.ccie.net >> >> _______________________________________________________________________ >> Subscription information may be found at: >> http://www.groupstudy.com/list/CCIELab.html Blogs and organic groups at http://www.ccie.netReceived on Fri Jan 04 2013 - 12:24:09 ART
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