Change in osmo-bts[master]: osmo-bts-trx: set don't-fragment flag on all TRXD packets

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laforge gerrit-no-reply at lists.osmocom.org
Tue Oct 26 15:25:25 UTC 2021


laforge has posted comments on this change. ( https://gerrit.osmocom.org/c/osmo-bts/+/23814 )

Change subject: osmo-bts-trx: set don't-fragment flag on all TRXD packets
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Patch Set 5:

> If you enable the DF bit, you are actively breaking existing situations that are working for the user (with fragmentation overhead).

or to be more precise: If you want to enable DF, then you have to implement [in your application] some path-mtu-discovery to dynamically at runtime detect the MTU and then scale your UDP payload sizes to stay below it.

In the absence of this, one could possibly introduce a VTY parameter.

In the end, as stated above, over loopback it doesn't matter.


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Gerrit-Project: osmo-bts
Gerrit-Branch: master
Gerrit-Change-Id: I25415b76b69ccf43f83ddfb0e7dd1e330fb23aa7
Gerrit-Change-Number: 23814
Gerrit-PatchSet: 5
Gerrit-Owner: fixeria <vyanitskiy at sysmocom.de>
Gerrit-Reviewer: Jenkins Builder
Gerrit-Reviewer: laforge <laforge at osmocom.org>
Gerrit-Comment-Date: Tue, 26 Oct 2021 15:25:25 +0000
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