The value of retval from the 2nd reply can be looked up in src/vnet/api_errno.h:
_(VLAN_ALREADY_EXISTS, -56, "VLAN subif already exists") The attempt to create a VLAN subif is failing because the one you're trying to create has already been created. On Sat, Oct 2, 2021 at 3:23 AM Eyle Brinkhuis <eyle.brinkh...@surf.nl> wrote: > Hi, > > While using a small piece of python code to create a vlan subinterface, we > get some unexpected returns: > > We run: > vpp.api.create_vlan_subif(sw_if_index=3, vlan_id=101); > > The return for this varies, one time it is: > > create_vlan_subif_reply(_0=121, context=4, retval=0, sw_if_index=5) > > But it is not consistent, we get > create_vlan_subif_reply(_0=121, context=4, retval=-56, > sw_if_index=4294967295) > Back as well, which is of no use to us. Anyone experienced the same? > > We run vpp 21.06 (installed from package cloud) > > Regards, > > Eyle > > >
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