Hi Tom, please check the concept of hub-and-spoke VPLS using site-range
http://www.juniper.net/techpubs/en_US/junos12.1/topics/usage-guidelines/vpns-configuring-vpls-routing-instances.html Thanks, Krzysztof On Wed, 8 Jan, 2014, at 21:54 , Tom Storey <t...@snnap.net> wrote: > Ok, so then you could in theory just leave the site-range command out > of a VPLS config in order to go by default values, unless you needed > to enforce a maximum site count? > > On 8 January 2014 11:56, Saku Ytti <s...@ytti.fi> wrote: >> On (2014-01-08 00:21 +0000), Tom Storey wrote: >> >> Hi Tom, >> >>> From the reading around I have done, the site-range basically >>> indicates how many sites maximum can/should exist for a given VPLS. >> >> Yes. >> >>> This tells the routers how many labels should be reserved for >>> conveying data between each PE that has a site that is part of a given >>> VPLS. >> >> No. Site range can be 64k, and not single label is assigned. Labels are >> assigned on-demand, in label-block-size, to cover all seen sites, not all >> possible sites. >> >>> If I say "site-range 10" then I shouldnt/cant provision more than 10 >>> sites for that VPLS, because insufficient labels will have been >>> reserved for conveying data between any PE routers beyond the first >>> 10, and thus those sites will be unreachable. >> >> It won't allocate labels for higher sites, correct. >> >>> Suppose I configure all of my VPLS instances with "site-range 10" >>> initially, if I need to add more sites later, I just need to go back >>> and re-configure each VPLS instance to increase the number >>> appropriately? >> >> Yes. >> >>> The default site-range value seems to be somewhere up in the 65,000's >>> which from my reading is bad, because 65k labels will be reserved for >>> that instance, which could be pretty wasteful if the VPLS only has 3-4 >>> sites. >> >> It's sane, I don't think it should be even configurable. But maybe there is >> some obscure CsC like situation where there is partial trust between two >> parties and you want to ensure no one is stealing VPLS sites without paying, >> only thing I can come up with. >> I would keep it at maximum value. >> >> -- >> ++ytti >> _______________________________________________ >> juniper-nsp mailing list juniper-nsp@puck.nether.net >> https://puck.nether.net/mailman/listinfo/juniper-nsp > _______________________________________________ > juniper-nsp mailing list juniper-nsp@puck.nether.net > https://puck.nether.net/mailman/listinfo/juniper-nsp _______________________________________________ juniper-nsp mailing list juniper-nsp@puck.nether.net https://puck.nether.net/mailman/listinfo/juniper-nsp
