All pastes #25091 Raw Edit

Miscellany

public text v1 · immutable
#25091 ·published 2005-10-10 06:20 UTC
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                  +----------+                       +------------+
lan a.b.c.0/24 -- | VPN GW A |=== ipsec tunnel 1 === |  VPN GW Z  |-- lan 192.168.0.0/24
+ a.b.c.199/32    |IP a.b.c.d|=== ipsec tunnel 2 === | IP w.x.y.z |       192.168.1.0/24
                  +----------+                       +------------+       + a.b.c.199/32

GW A is proxy arping a.b.c.199 so it can tunnel all traffic for it over to GW Z, so that
a.b.c.199 IP appears on Z's local LAN.