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examples: set socket buffers and raise tun tx_queue (#1928)

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* examples: set socket buffers and raise tun tx_queue

* examples: use the default tcp max window for socket buffers

* examples: note buffers are linux only, clarify tx_queue default

* tun: default tx_queue to 5000
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Ryan Huber authored and GitHub committed 2026-10-11 00:30:07 -04:00
1 parent a8c52f5c13
commit 8a2de9b1b5
3 files changed
+7 -7
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overlay/tun_linux.go
+1 -1
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@@ -221,7 +221,7 @@ func newTunGeneric(c *config.C, l *slog.Logger, fd int, vnetHdr bool, offloadFla
vnetHdr: vnetHdr,
offloadFlags: offloadFlags,
vpnNetworks: vpnNetworks,
TXQueueLen: c.GetInt("tun.tx_queue", 500),
TXQueueLen: c.GetInt("tun.tx_queue", 5000),
useSystemRoutes: c.GetBool("tun.use_system_route_table", false),
useSystemRoutesBufferSize: c.GetInt("tun.use_system_route_table_buffer_size", 0),
routesFromSystem: map[netip.Prefix]routing.Gateways{},