show interface displays the interface’s admin state.
show hardware displays the interface’s operational link state.
The link down is likely caused by memif configuration error. Please check your
configuration on both sides to make sure they match. Some tips to debug,
show memif
set logging class memif plugin level debug
show log
As to why traffic is forwarded to the memif interface, who knows what you got
in the mfib table. You need to look into the mfib table and check.
Steven
From: <vpp-dev@lists.fd.io> on behalf of "tahir.a.sangli...@gmail.com"
<tahir.a.sangli...@gmail.com>
Date: Wednesday, December 16, 2020 at 1:27 PM
To: "vpp-dev@lists.fd.io" <vpp-dev@lists.fd.io>
Subject: Re: [vpp-dev] Multicast packets sent via memif when rule says to
forward through another interface
Thank you for your reply!
yes the memif interface is down, in $sh hardware, it shows up in $sh int. what
could be the reason for this discrepancy?
still not clear why its choosing memif when mfib rule says forward on
HundredGigabitEthernet12/0/0.501
ip mroute add ff38:23:2001:5b0:2000::8000/128 via tuntap-0 Accept
ip mroute add ff38:23:2001:5b0:2000::8000/128 via
HundredGigabitEthernet12/0/0.501 Forward
vpp#sh hardware
memif81/0 21 down memif81/0
Link speed: unknown
memif-ip
MEMIF interface
instance 15
vpp#sh int
memif81/0 23 up 9000/0/0/0
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