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Neels Hofmeyr nhofmeyr at sysmocom.deOn Wed, Nov 08, 2017 at 10:07:11AM +0100, Lorenzo Cavallini wrote: > Can you explain what the encapsulation setting is actually doing? It's the address where the PCU talks to the SGSN, so it needs to be reachable by your BSS. If you're on a single box (using osmo-trx or everything on one sysmoBTS) it can be a loopback (like you picked), otherwise it needs to be an IP on a public interface. The address is passed to osmo-bts, which in turn tells osmo-pcu where to find the SGSN. > I thought this was supposed to be the same value as the gtp localip. GTP is from the SGSN to the GGSN side: BSS | Core Network PCU <--GRPS-NS--> SGSN <--GTP--> GGSN > By the way, do you recommend to switch to the "split" architecture right now? > Or is there a timeline for when OsmoNITB will be deprecated? Thanks! It certainly doesn't make sense to set up a long term installation based on the OsmoNITB anymore: our development focus has already moved away from OsmoNITB, and as of now it will mainly sit there and age. The main remaining issue for the split components now is that the OsmoMSC still needs the old osmo-bsc_mgcp instead of the new osmo-mgw -- but that is going to change pretty soon and will be trivial to adjust. The other detail is that I am still busy verifying that the wiki pages that help you set up the split components are indeed accurate. So, you may still experience minor challenges finding your way across to a split installation, which we will be more than happy to help out with and iron out our documentation in the process. Infrastructure wise we have the split components tested in the osmo-gsm-tester every day, we have sysmoBTS images running the split components (201705 feed), we have nightly builds for all the programs in the form of Debian and Ubuntu feeds. The split components get you various juicy benefits, like one central HLR for MSC and SGSN, seamless 3G support and UMTS authentication (Milenage). And congratulations to your working setup :) ~N -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 833 bytes Desc: not available URL: <http://lists.osmocom.org/pipermail/openbsc/attachments/20171108/f9f8f015/attachment.bin>