o-subint
> }
> logging {
> default-log-level info
> default-syslog-log-level crit
> class linux-cp/if { rate-limit 1 level debug syslog-level debug }
> class linux-cp/nl { rate-limit 1 level debug syslog-level debug }
> }
>
> *Init conf:*
>
> create gre tun
1.2.9
>> --- patching xdp-tools 1.2.9
>> Applying patch: 0001-libxdp-add-fPIC-with-static-lib-build.patch
>> patching file lib/libxdp/Makefile
>> Applying patch: 0002-libxdp-fix-asm-types.h-file-not-found-issue.patch
>> patching file lib/defines.mk
>>
stion or reference would be helpful.
>
>
> Thanks,
> Dibas
>
>
>
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ain-Name (15), length 15: "local.tuxli.ch."
> Domain-Name-Server (6), length 4: 192.168.1.1
>
> I'm not sure how to do a "tcpdump" in VPP. On the TAP interface I can't
> see a response.
>
> On 01.03.23 23:20, Pim van Pelt via lists.fd.io wrote:
gt; no route which was to be expected as lcpng doesn't sync routes from VPP
>> to Linux.
>>
>> Is it possible to use a dhcp client on Linux to get the IP and routes on
>> Linux where they are synced back to VPP? I naively tried "lcp create
>> GigabitEtherne
information. The opinions contained in this message are the
> views of the sender only and do not necessarily reflect the views of the
> company. We would like to inform you that any personal data shared with you
> should be processed in accordance with the Law on Protection of Personal
> D
: dpo-load-balance: [proto:mpls index:34 buckets:1 uRPF:32 to:[0:0]]
> [0] [@5]: dst-address,unicast lookup in interface's ip6 table
> vpp#
> vpp# quit
> root@tn3:/home/abramov# ping fd00:200::1
> PING fd00:200::1(fd00:200::1) 56 data bytesset
> 64 bytes from fd00:200:
> DataPlane.
>
>
>
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Group Owne
\
> _ (x25_esis, 0x8a)\
> _ (iso10030, 0x8c)\
> _ (iso11577, 0x8d)\
> _ (ip6, 0x8e) \
> _ (compressed, 0xb0) \
>
delete acl-plugin acl index 0
Deleted ACL index:0
DBGvpp# show acl-plugin acl
DBGvpp#
Please take a look. I'd like to add ACLs to vppcfg, and this will allow the
planner to do some meaningful work.
groet,
Pim
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at l2-span is broken.
b) it would be nice to be able to add the SPAN to ethernet-input as that
might capture sub-interfaces
groet,
Pim
On Sat, Jan 14, 2023 at 10:17 PM Pim van Pelt wrote:
> Hoi,
>
> As a followup, here's a trace of the l2 enabled sub-int when SPAN is
> enabled in
11:10:00
UDP: 192.168.11.0 -> 192.168.11.3
tos 0x00, ttl 253, length 78, checksum 0x264b dscp CS0 ecn NON_ECN
fragment id 0x
UDP: 21408 -> 4789
length 58, checksum 0x0000
On Sat, Jan 14, 2023 at 8:58 PM Pim van Pelt via lists.fd.io wrote:
> Hoi folks,
>
> I was
ferent way? And, is it feasible for me to SPAN a
sub-int or other sw_index (like the vxlan tunnel, both currently not
working)?
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icast-ip4-chain
> [@0]: dpo-load-balance: [proto:ip4 index:21 buckets:1 uRPF:21 to:[0:0]]
> [0] [@0]: dpo-drop ip4
> 240.0.0.0/4
> unicast-ip4-chain
> [@0]: dpo-load-balance: [proto:ip4 index:20 buckets:1 uRPF:20 to:[0:0]]
> [0] [@0]: dpo-drop ip4
> 255.255.255.255/
ment
>> https://github.com/FDio/vpp/commit/b79d09bbfa93f0f752f7249ad27a08eae0863a6b
>> and
>> https://github.com/FDio/vpp/commit/39d6deca5f71ee4fe772c10d76ed5b65d1ebec44
>>
>> So I remove the two commits from my local repo and the issue is gone.
&
s='dataplane')])
See https://gerrit.fd.io/r/c/vpp/+/37894
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' yields erratic behavior.
groet,
Pim
On Thu, Dec 22, 2022 at 4:28 PM Pim van Pelt wrote:
> Hoi,
>
>
> On Thu, Dec 22, 2022 at 4:08 PM Matthew Smith via lists.fd.io netgate@lists.fd.io> wrote:
>
>>
>> On Thu, Dec 22, 2022 at 7:09 AM Petr Boltík
>> wr
them had this hang/crash a few times in a row this week).
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clarify which git repo did you build ?
> This means the official release has an issue like you said.
>
There are several issues, yes. Understanding which ones and how you
addressed them, will help the community to address them :)
groet,
Pim
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in a netns other than the initial one which has the (one and only)
netlink listener in it), it will give unexpected results.
I think we should:
- remove lcp netns default from CLI
- remove changing the netns from API
- force use of only startup.conf to start the netlink listener in that, and
only
gt;
> root@nat-gw-697d886cb4-xn62q:/etc/bird# ip r
> 10.0.5.0/24 dev xe0-1 proto kernel scope link src 10.0.5.10
> 10.45.0.0/16 via 10.0.5.9 dev xe0-1 proto bird
>
>
> *BIRD config:*
>
> router id 194.1.163.2;
>
> protocol device { scan time 30; }
> protocol kernel
t; >
> > What is the purpose of this command "vpp" and is it a valid use case to
> run multiple vpp daemons? Also, how can we restrict the additional daemon
> from starting if VPP's main process is already running?
> >
> > Thanks and Regards,
> > Chinmaya Agar
Of course, the link is https://gerrit.fd.io/r/c/vpp/+/37791
groet,
Pim
On Mon, Dec 12, 2022 at 12:41 AM Pim van Pelt via lists.fd.io wrote:
> Hoi,
>
> I am starting to work on a few APIs and noticed that the vpp_papi module's
> method find_api_dir promises that it will in
so any
invocation without dirs=[] will crash)
See ssh://pimvanp...@gerrit.fd.io:29418/vpp and please review/merge. Ole
are you the Python API maintainer ?
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dynamic assignment. I have already tried to increase
> "typedef wireguard_interface", but this simple modification is not correct
> (I'm not familiar with C).
>
> Please forward this message to the right people.
>
> Thanks to all
> Petr
>
>
>
>
--
l experience to bring up VPP on a dpaa2
> platform, please share with us and it would be much appreciated.
>
>
>
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be2c
> Dec 01 10:26:56 nc2s5 vnet[2232]: #1 0xa63a6588 0xa63a6588
> Dec 01 10:26:56 nc2s5 vnet[2232]: #2 0xa6340aa8 0xa6340aa8
> Dec 01 10:26:56 nc2s5 vnet[2232]: #3 0xa4b9f150 vlib_main + 0xc40
> Dec 01 10:26:56 nc2s5 vnet[2232]: #4 0xa4bea
TenGigabitEthernet0/10/0 10.1.2.3/24
> vpp# set interface state TenGigabitEthernet0/10/0 up
> vpp# create gre tunnel src 10.1.2.3 dst 10.1.2.2 gre0
> vpp# lcp create gre0 host-if mytun
> vpp# set interface ip address gre0 10.10.10.1/30
> vpp# set interface state
and do not necessarily reflect the views of the
> company. We would like to inform you that any personal data shared with you
> should be processed in accordance with the Law on Protection of Personal
> Data numbered 6698.
>
>
>
>
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results.
DENOG talk entry: https://pretalx.com/denog14/talk/X9GJHM/
Video Recording: https://ipng.ch/media/denog14/index.html
Slides:
https://ipng.ch/media/denog14/IPng%20Networks%20-%20VPP%20-%20DENOG14.pdf
groet,
Pim
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Li
ck interface created by foll command:
> create loopback interface instance 100
> which creates loop100
>
> Thanks
> Pragya Nand
>
>
>
>
>
>
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? thanks
>
> I need this function,so if i can recover this code in vpp-2206 version ?
>
>
>
>
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s there any other open source VPP agent that can provide interfaces like
> RESTful, NETCONF to control VPP?
>
> Sincerely,
> Wentian
>
>
>
>
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able to apply custom
> patches for libnl.
>
> --
> Best regards
> Stanislav Zaikin
>
>
>
>
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emetry --file-prefix vpp
It would be pretty neat to leverage this hardware with VPP as a cheap 8x10
/ 4x25+4x10 / 1x100+4x10 router, and I'd love to see what the ARM cpus are
capable of switching. Any help with this would be appreciated.
groet,
Pim
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10.10.2.2*
>
> *create geneve tunnel local 10.10.2.1 remote 10.10.1.1 vni 13 l3-mode*
> *set int state geneve_tunnel0 up*
> *set int ip address geneve_tunnel0 10.10.3.2/24 <http://10.10.3.2/24>*
>
> 10.10.2.1 and 10.10.1.1 can ping each other, the problem with ARP Request
>
?? () from
> /lib/x86_64-linux-gnu/libvlib.so.22.06#4 0x7f259adc7c94 in
> clib_calljmp () from /lib/x86_64-linux-gnu/libvppinfra.so.22.06#5
> 0x7fff0d2c5ff0 in ?? ()#6 0x7f259aedfd55 in vlib_unix_main ()
> from /lib/x86_64-linux-gnu/libvlib.so.22.06*
>
_down: Interface start failed
> Sep 23 14:47:52 smvm02 vnet[66430]: set interface state: Interface start
> failed
>
> What could be the possible reason for this behaviour?
>
> Thanks and regards,
> Chinmaya Agarwal
>
>
>
>
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Pim van Pelt
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9M, used: 642.88M, free: 381.12M, trimmable: 359.79M
>
> I am using a single-thread VPP, by the way...
>
> VPP could not receive more than 600K routing entries under this
> configuration. Is there any way we could increase the memory that VPP could
> use?
>
> Thanks in advance!
u'll have to create LCP pairs
for each sub-interface. Another handy command is:
vpp# show lcp
Hope that helps,
Pim
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m 2401:1700:1:1::a1: icmp_seq=4 ttl=64 time=9.80 ms
> 64 bytes from 2401:1700:1:1::a1: icmp_seq=5 ttl=64 time=9.84 ms
> ^C
> --- 2401:1700:1:1::a1 ping statistics ---
> 5 packets transmitted, 5 received, 0% packet loss, time 4008ms
> rtt min/avg/max/mdev = 9.760/9.802/9.842/0.032
d usage can be found in commit log and README
> in the patch.
>
>
>
> Please have a look at my patch and give some comments, thanks!
>
>
>
> Best Regards,
>
> Xu Ting
>
>
>
>
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ce rx-mode [ifname] interrupt
>
>
>
> Did I miss anything? Thanks for your attention and any suggestions are
> welcome.
>
>
>
> Regards,
>
> Xiaodong
>
>
>
>
>
>
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>
> Did I miss anything? Thanks for your attention and any suggestions are
> welcome.
>
> Regards,
> Xiaodong
>
>
>
>
>
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ut to use API calls, there's no conf file needed?
>
> Sorry for these questions, im quite new to the VPP.
>
> Krisztián Varga via lists.fd.io ezt
> írta (időpont: 2022. júl. 20., Sze, 12:13):
>
>> Thank you very much for the quick answer!
>>
>> On Wed, Jul
.fd.io/view/VPP/Python_API. I have python3-vpp-api installed.
> Any idea for solving this import problem?
>
> Thank you for any answers.
>
>
>
>
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.bytes) / tsd),
> format_base10,
> (u64) ((vtx[spin].packets - vtx[spin ^ 1].packets) / tsd),
> format_base10,
> (u64) (8 * (vtx[spin].bytes - vtx[spin ^ 1].bytes) / tsd));
>
>
>
>
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/
> tsd),
> 96 format_base10,
> 97 (u32) ((vtx[spin].packets - vtx[spin ^ 1].packets) / tsd),
> 98 format_base10, (u32) ((vtx[spin].bytes - vtx[spin ^ 1].bytes) /
> tsd));
> 99 }
>
>
>
>
>
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-
ttps://ibb.co/0j5wg2Z
>
> Have you ever noticed this behavior?
>
> p.s. I have changed bridges to xconnects with the same result.
>
> VPP version: vpp v22.10-rc0~66-g963e9b583 built by root on rt-vpp-test at
> 2022-07-14T21:34:52
> igb_uio
>
> Thank you for any tips!
> it'd lead to code duplication and still I'd need to wait at least 2
> releases.
>
> [0] https://wiki.fd.io/view/VPP/API_Versioning
>
> --
> Best regards
> Stanislav Zaikin
>
>
>
>
>
>
>
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-
"/usr/lib/python3/dist-packages/vpp_papi/vpp_papi.py", there is no class
> called "VPP".
>
> I am a total newb working with vpp-api, can someone point me in the right
> direction on how I can get started? Main goal is to create an ACL, add
> ACE's, chan
this with iptables NAT vs using iptables NAT together with
> kernel network stack?
> Thanks!
>
>
>
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he graph shown in "Demo 1
> - L2XC Performance" slide which shows Cycles/packet by node generated? That
> looks really cool and and very useful
>
> Thanks!
>
> X.
>
>
>
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22.06 release manager */
>
>
>
>
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CCC
Thanks to Maximilian Wilhelm for hosting me, to Andre Toonk for his talk
last year, bringing visibility to VPP also, and for the vibrant community
who showed pretty genuine interest for VPP.
groet,
Pim
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lso see "none configured".
>
> I have created interface using VL API but trying to change using vppctl
> command.
>
> Is it fine and also, what shall be the output when we enable or disable at
> interface for mpls.
>
> With Regards
> Sastry
>
>
>
>
l
There's another way of creating the bond in startup.conf -- search for the
string eth_bond0 in the documentation here:
https://my-vpp-docs.readthedocs.io/en/latest/gettingstarted/users/configuring/startup.html
groet,
Pim
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e in linux, we could
> see the bonding work and end to end traffic was working fine.
>
> Any suggestions how we can resolve this?
>
> Thanks and regards,
> Chinmaya Agarwal.
>
>
>
>
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lance active members
> members
> BondEthernet03lacp l20 2
> vpp#
>
> Here "active members" count is 0 and hence the bond interface is not
> working.
>
> Are we missing out anything from the configuration poin
we
> hope these routes to be added to vpp.
>
> we have tried several methods, none could acheive this goal, do you have
> any suggestions?
>
>
> --
> haiyan...@ilinkall.cn
>
>
> *From:* Pim van Pelt
> *Date:* 2022-04-24 16:56
> *To:*
PTAL https://gerrit.fd.io/r/c/vpp/+/36334
On Fri, Jun 3, 2022 at 10:25 PM Pim van Pelt via lists.fd.io wrote:
> Hi Damjan,
>
> Just a quick note - 22.06 still has this regression
>
> 1: /home/pim/src/vpp/src/vlib/drop.c:77 (counter_index) assertion `ci <
> n->n_
ert kicks in.
>
> Likely what happens is that batch of commands are first triggering
> generation of neighbor probe packet, then
> immediately after that interface is deleted, but packet is still in flight
> and drop node tries to bump counters for deleted interface.
>
> —
>
unctions: unknown input `linux-cp default netns
> dataplane interface-auto-create '
>
> I have compiled VPP with all the plugins mentioned above. In
> "/usr/lib/vpp_plugins/" I can see .so files
> i.e dpdk_plugin.so, linux_cp_plugin.so, linux_nl_plugin.so
>
>
in-table ]
> [mpls-lookup-in-table ] [resolve-via-host] [resolve-via-connected]
> [rx-ip4 ] [out-labels ]
>
> Thanks,
> Halit
>
>
>
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Vi
auto-formatted, (almost entirely) pep8 compliant style.
>
> Here’s the diff:
>
> https://gerrit.fd.io/r/c/vpp/+/36043
>
> Thoughts?
>
> Thanks,
> Klement
>
>
>
>
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Links: You receive all m
istenner" get
> the netlink msg, before the kernel get the msg or after the kernel process
> the msg and forward to the listenner?
> Does the lcpng can work well, if I add a type of new netlink msg in FRR
> and a function to process the msg in lcpng (dispatch...)?
> Thanks for
ther with VPP, but how can I
> synchronize BIRD routes to VPP, any suggestions or reference?
>
> VPP version is 20.01, try not to update VPP to new version as possible as
> we can .
>
>
>
>
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Lin
p104 host-if loop104
>> vppctl lcp create loop105 host-if loop105
>>
>> How to reproduce:
>
> 1. systemctl restart myVppService
> 2. add commands upper
> 3. ./govppLcpDumpTest (a few pass, the test will be failed)
>
> Now, the interesting thinks ...
> 4. v
ot full lcp pair list. Debug command "vppctl show lcp" works
> correctly. Tested environment: 3x dpdk lan, 2x vlan, 1x loopback (6 lcp
> pair). 5-10% of reply list dump requests return not a complete list.)
>
> vpp v22.06-rc0~378-g6120441f9
> apu4D4
>
> Regard
gs in VPP are low level and take a bit of getting used to.
But the information in 'show runtime' is very useful tool to understand
where the CPU time is spent in a running VPP dataplane.
groet,
Pim
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> rte_eth_dev_start[port:0, errno:-5]: Unknown error -5
>
> VPP version is 21.06, DPDK 21.08, NIC Non-Volatile Memory 3.00
>
> Attached the output of runtime and hardware-interfaces, I hope they will
> be useful.
>
> Thank you,
> Samuele
>
>
>
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ommand to check how many packets per vector is VPP
> processing ? Thanks in advance.
>
> David.
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
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does provoke it.
groet,
Pim
On Wed, Apr 6, 2022 at 3:56 PM Pim van Pelt via lists.fd.io wrote:
> Hoi,
>
> The crash I observed is now gone, thanks!
>
> VPP occasionally hits an ASSERT related to error counters at drop.c:77 --
> I'll try to see if I can get a reproduction,
s already there, and creation of new entry fails.
>
> Hope this helps:
>
> https://gerrit.fd.io/r/c/vpp/+/35900
>
> —
> Damjan
>
>
>
> > On 05.04.2022., at 22:13, Pim van Pelt wrote:
> >
> > Hoi,
> >
> > Here's a minimal repro that
rnet0
delete bond BondEthernet1
create bond id 0 mode lacp load-balance l34
delete bond BondEthernet0
comment { the next command crashes VPP }
create loopback interface instance 0
On Tue, Apr 5, 2022 at 9:48 PM Pim van Pelt wrote:
> Hoi,
>
> There is a crashing regression in VPP
and I have a set of transitions there which I can
probably narrow down to an exact repro case.
On Fri, Apr 1, 2022 at 3:08 PM Pim van Pelt via lists.fd.io wrote:
> Hoi,
>
> As a followup - I tried to remember why I copied class VPPStats() and
> friends into my own repository,
ber Honeycomb…) and
> probably cover many use cases.
>
> I’ve not yet tried it but will certainly do it soon.
>
> Thanks !
>
> Jerome
>
>
>
> *De : *vpp-dev@lists.fd.io de la part de Pim van
> Pelt
> *Date : *samedi, 2 avril 2022 à 17:18
> *À : *vpp-dev
tras/ somewhere.
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Pim van Pelt
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Group Owner: vpp-dev+ow...@lists.fd
sibly worth
our while to add the VPPStats() class to the exported classes in vpp_papi ?
groet,
Pim
On Fri, Apr 1, 2022 at 2:50 PM Pim van Pelt via lists.fd.io wrote:
> Hoi,
>
> I noticed that my VPP SNMP Agent no longer works with the python API at
> HEAD, and my attention was dra
same error as my application:
struct.error: offset -140393469444104 out of range for 1073741824-byte
buffer
..
Ran 6 tests in 0.612s
FAILED (errors=4)
Damjan, Ole, any clues?
groet,
Pim
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plane ip route show 192.168.98.0/24 vrf vrf1
>
> $
>
> $ sudo ip netns exec dataplane ip route show 192.168.97.0/24 vrf vrf2
>
>
>
> $
>
>
>
>
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Pim van Pelt
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View/
aware of "bvi ..." commands. Anyway, usually I go with
> something like:
>
> create loopback interface instance 20
> set interface state loop20 up
> create bridge-domain 20 learn 1 forward 1 flood 1 arp-term 1 arp-ufwd 0
> set interface l2 bridge loop20 20 bvi
>
> O
7fff96800740 in ?? ()
#19 0x7fff923805c0 in ?? ()
#20 0x76eff104 in vlib_process_signal_event (vm=,
node_index=,
type_opaque=,
data=)
at /home/pim/src/vpp/src/vlib/node_funcs.h:1025
Backtrace stopped: previous frame inner to this frame (corrupt stack?)
--
Pim van Pelt
PBVP1
1. List lcp pair report invalid num, fix
>> https://gerrit.fd.io/r/c/vpp/+/35479 (thanks to Pim). Can be merged to
>> the master?
>> 2. lcp_itf_pair_add_del (lcp_itf_pair_add_del_v2) lcp pair is created
>> succesfully. Api reply message failed.
>> ERRO[0000] Channel ID not known, ig
:
> 您好先生：
> 我应该怎么做才能使 80-vpp.conf 生效，例如使用 sysctl -p 使 sysctl.conf 生效。或者在启动 vpp 时使用默认的
> 80-vpp.conf？
>
>
>
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a way by which I can bind vlan interfaces, created on linux
> kernel, in vpp similar to the way we do for physical interfaces?
>
> Thanks and Regards,
> Chinmaya Agarwal.
>
>
>
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Links: You receive a
bit at the ergonomics of this process, and having another
> brain(s) to discuss with would be useful.
>
> --a
>
>
>
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Pim van Pelt
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View/Reply Online (#21021): https:
>
> Can you please help here to config loop on VPP so FRR recognizes it as vrf
> interface
>
> Thanks,
> Suresh
>
>
>
>
>
>
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Pim van Pelt
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View/R
oop1
>> ip route add 192.168.230.0/24 via 10.10.0.201
>> ip route add 10.0.0.0/24 via 10.10.0.201
>>
>> I attached the ospfd.conf in the previous email. Here is the bird.conf
>> The bird.conf
>> protocol ospf v2 ospf4 {
>> debug all;
>> ipv4 { expor
10.10.0.201 > ospf-all.mcast.net: OSPFv2, Hello, length 48
>> Router-ID 127.0.0.201, Backbone Area, Authentication Type: none (0)
>> Options [External]
>> Hello Timer 10s, Dead Timer 40s, Mask 255.255.255.254, Priority 1
>> Designated Router 10.10.0.201
>> Neighbo
+vpp-dev resend after a bounce earlier today. Thanks
to Ben and Dave for rescuing our mailinglist :)
On Fri, Mar 4, 2022 at 10:00 AM Pim van Pelt wrote:
> +vpp-dev
>
> I wasn't aware of a mailinglist outage, but I'm sure it'll solve itself
> soon enough :-) putting t
you for your patience during this outage.
> -daw-
>
>
>
>
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t. viewing tickets. We you able to login?
>
> Thanks,
> -daw-
>
> On 2/25/22 7:11 PM, Pim van Pelt wrote:
>
> Hoi,
>
> Thanks Dave. From me in Zurich, SSH (and git) are up, but perhaps it's
> only the website that is down?
> By the way, in case others see this too,
have opened a ticket [0] with LF-IT due to gerrit.fd.io not responding.
>
> Will provide an update when the issue is resolved or more information is
> available.
>
> Thanks,
> -daw-
> [0]
> https://jira.linuxfoundation.org/plugins/servlet/theme/portal/2/IT-23671
>
&g
>
> Thanks,
> Suresh
>
>
>
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On Fri, Feb 25, 2022 at 7:34 PM suresh vuppala wrote:
> Can someone please help out here.
>
> Just to make things work using VPP as the way kernal works, I created a BD
> in VPP but I dont see lcp cli for BD so Linux learns about the bridge?
>
>
>
--
Pim van Pelt
PBVP1-RIPE
umbered, use tn-eth0
> L3 192.168.1.6/24
> ipip1 (up):
> unnumbered, use tn-eth1
> L3 192.168.10.6/24
> local0 (dn):
> tap3 (up):
> tn-eth0 (up):
> L3 192.168.1.6/24
> tn-eth1 (up):
> L3 192.168.10.6/24
> tn-eth2 (up):
> L3 192.168.100.5/24
>
>
&
input ACL misses
> error
> 1 ip4-input valid ip4 packets
> error
> 3 ip4-input Multicast RPF check
> failed error
> 6 ip4-local ip4 spoof
; set interface mtu: not supported
> is not working.
>
> So, my final question is how to configure the VxLAN L2-tunnel and set MTU?
> Thank you.
>
>
>
>
>
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sed stable/22.02 branch. Based on 20.04, you are
>> effectively on your own.
>>
>> Thanks,
>> -daw-
>>
>> On 2/3/22 5:59 AM, Pim van Pelt wrote:
>>
>> Hoi Suresh,
>>
>> Do not use this plugin, we really should delete it. Recently, wo
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