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Attached hosts

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allow this config to function:
  set int ip address loop0 169.254.1.1/32  (the default GW address for attached hosts)
  set int unnumbered af_packet0 use loop0  ('enable' IP on the host interface)
  ip route add 192.168.1.1/32 via af_packet0 (where to find the host)
repeat for each host and host interface.
Inter-host communication is throught the /32 routes.
To allow this:
 1 - attached host routes have the ATTACHED flag set, so the ARP code accepts then as legitimate sources
 2 - unnumbered interfaces inherit the source address from the IP interface

Change-Id: Ib66c5f0e848c528f79372813adc3a0c11b50717f
Signed-off-by: Neale Ranns <nranns@cisco.com>
This commit is contained in:
Neale Ranns
2017-03-11 05:55:21 -08:00
committed by Florin Coras
parent c60f557590
commit 4b919a5664
10 changed files with 269 additions and 30 deletions
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2
test/vpp_interface.py
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@ -336,7 +336,7 @@ class VppInterface(object):
ip_sw_if_index)
def unset_unnumbered(self, ip_sw_if_index):
""" Unaet the interface to unnumbered via ip_sw_if_index """
""" Unset the interface to unnumbered via ip_sw_if_index """
self.test.vapi.sw_interface_set_unnumbered(
self.sw_if_index,
ip_sw_if_index,