Hi ,

I have a problem with sctp over host-interface.I tried to create an SCTP
session , but the session is not started . When I tried it with real
interfaces (not  host-interface) it worked correctly.

Steps to reproduce issue  :
 - create two veth  pairs , one is moved to  new namespace vnet0 .

ip link add name control_vpp type veth peer name control_host
ip link set dev control_vpp up
ip link set dev control_host up
ip addr add 10.10.1.1/24 dev control_host

ip link add name control_2_vpp type veth peer name control_2_host
ip link set dev control_2_vpp up
ip link set dev control_2_host up
ip netns add vnet0
ip link set control_2_host netns vnet0
ip -n vnet0 addr add 10.10.1.2/24 dev control_2_host
ip netns exec vnet0 ip link set control_2_host up

-VPP : create  two host interfaces  , use l2 xconnect to connect them

create host-interface name control_vpp

set int state host-control_2_vpp up
set int state host-control_vpp up

set interface l2 xconnect host-control_2_vpp host-control_vpp
set interface l2 xconnect host-control_vpp host-control_2_vpp


- check sctp connection :
ip netns exec vnet0 sctp_darn -H 10.10.1.2 -P 36412 -h 10.10.1.1 -l

sctp_darn -H 10.10.1.1 -h 10.10.1.2  -p 36412 -s


Martin
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