set interface state eh0 up
set interface ip addr eth0 1.1.1.1/24
create gre tunnel src 1.1.1.1 instance 1 multipoint
set interface state gre1 up
set interface ip addr gre1 2.1.1.2/32
create teib gre1 peer 3.3.3.3 nh 1.1.1.2
ip route add 3.3.3.3/32 via gre1
create teib gre1 peer 4.4.4.4 nh 1.1.1.3
ip route add 4.4.4.4/32 via gre1
this config works.
在 2021/3/17 下午5:28, Vijay Kumar Nagaraj 写道:
Hi Yedg,
Gentle reminder!!
Hope you are doing fine.
I am trying mGRE for a certain project at Microsoft and even I don’t
have much idea about exact config. I followed mGRE example in the
fd.io wiki page but it is crashing when I configured multipoint
tunnel, setup route and tried to ping from VPP to the destination host
Can you pls share me your mGRE config if it is working?
*From:*Vijay Kumar N
*Sent:* 15 March 2021 11:09
*To:* 'y...@wangsu.com' <y...@wangsu.com>
*Cc:* vjkumar2...@gmail.com
*Subject:* RE: [vpp-dev] mgre interface get UNRESOLVED fib entry.
Hi Yedg,
Hope you are doing fine, I saw your recent query on vpp mailing list.
Are you able to successfully test mGRE feature?
Has the below config worked for you after Neale’s reply.
I am trying mGRE for a certain project at Microsoft and even I don’t
have much idea about exact config. I followed mGRE example in the
fd.io wiki page but it is crashing when I configured multipoint
tunnel, setup route and tried to ping from VPP to the destination host
Can you pls share me your mGRE config if it is working?
Regards.
---------- Forwarded message ---------
From: *Neale Ranns* <ne...@graphiant.com <mailto:ne...@graphiant.com>>
Date: Mon, Feb 22, 2021 at 8:47 PM
Subject: Re: [vpp-dev] mgre interface get UNRESOLVED fib entry.
To: y...@wangsu.com <mailto:y...@wangsu.com> <y...@wangsu.com
<mailto:y...@wangsu.com>>, vpp-dev@lists.fd.io
<mailto:vpp-dev@lists.fd.io> <vpp-dev@lists.fd.io
<mailto:vpp-dev@lists.fd.io>>
*From: *vpp-dev@lists.fd.io <mailto:vpp-dev@lists.fd.io>
<vpp-dev@lists.fd.io <mailto:vpp-dev@lists.fd.io>> on behalf of 叶东岗via
lists.fd.io <http://lists.fd.io> <yedg=wangsu....@lists.fd.io
<mailto:wangsu....@lists.fd.io>>
*Date: *Monday, 22 February 2021 at 13:53
*To: *vpp-dev@lists.fd.io <mailto:vpp-dev@lists.fd.io>
<vpp-dev@lists.fd.io <mailto:vpp-dev@lists.fd.io>>
*Subject: *[vpp-dev] mgre interface get UNRESOLVED fib entry.
Hi:
I try to config a mgre interface fellow those steps, then i get an
UNRESOLVED fib entry, is it right? I think it should be
unicast-ip4-chain?
any examples of mgre config? Thinks.
create memif socket id 1 filename /work/memif1
create interface memif socket-id 1 master
set interface state memif1/0 up
set interface ip addr memif1/0 1.1.1.2/24 <http://1.1.1.2/24>
set interface rx-mode memif1/0 interrupt
create gre tunnel src 1.1.1.2 instance 1 multipoint
set interface state gre1 up
set interface ip addr gre1 2.1.1.2/32 <http://2.1.1.2/32>
create teib gre1 peer 3.3.3.3 nh 1.1.1.1
3.3.3.3 is not in the same subnet as 2.1.1.2/32 <http://2.1.1.2/32>,
so it’s not a valid neighbour, hence the UNRESOLVED.
/neale
DBGvpp# show ip fib 3.3.3.3/32 <http://3.3.3.3/32>
ipv4-VRF:0, fib_index:0, flow hash:[src dst sport dport proto flowlabel
] epoch:0 flags:none locks:[adjacency:2, recursive-resolution:1,
default-route:1, ]
3.3.3.3/32 <http://3.3.3.3/32> fib:0 index:16 locks:4
adjacency refs:1 entry-flags:attached,
src-flags:added,contributing,active, cover:0
path-list:[21] locks:2 uPRF-list:24 len:1 itfs:[2, ]
path:[25] pl-index:21 ip4 weight=1 pref=0 attached-nexthop:
oper-flags:resolved,
3.3.3.3 gre1
[@0]: ipv4 via 3.3.3.3 gre1: mtu:9000 next:4
4500000000000000fe2fb8cb010101010101010100000800
stacked-on entry:11:
[@3]: ipv4 via 1.1.1.1 memif1/0: mtu:9000 next:3
02fe21058f7502fe049eea920800
Extensions:
path:25
recursive-resolution refs:1 src-flags:added, cover:-1
forwarding: UNRESOLVED
DBGvpp# show adj
[@0] ipv4-glean: [src:0.0.0.0/0 <http://0.0.0.0/0>] memif1/0: mtu:9000
next:1
ffffffffffff02fe049eea920806
[@1] ipv4-glean: [src:1.1.1.0/24 <http://1.1.1.0/24>] memif1/0:
mtu:9000 next:1
ffffffffffff02fe049eea920806
[@2] ipv4 via 1.1.1.1 memif1/0: mtu:9000 next:3
02fe21058f7502fe049eea920800
[@3] ipv4 via 3.3.3.3 gre1: mtu:9000 next:4
4500000000000000fe2fb8cb010101010101010100000800
stacked-on entry:11:
[@3]: ipv4 via 1.1.1.1 memif1/0: mtu:9000 next:3
02fe21058f7502fe049eea920800
DBGvpp# show teib
[0] gre1:3.3.3.3 via [0]:1.1.1.1/32 <http://1.1.1.1/32>
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