This is what I gathered. I need to figure out how to get on Jira.
vpp# show version verboseVersion:
v18.10-rc0~553-g2f54c27Compiled by: rootCompile host:
o2.opiehome.comCompile date: Tue Oct 2 16:58:15 MDT 2018Compile
location: /root/source/vpp/vppCompiler: GCC 7.3.1
20180303 (Red Hat 7.3.1-5)Current PID: 5871vpp# create
bridge-domain 1bridge-domain 1vpp# show interface Name
Idx State MTU (L3/IP4/IP6/MPLS) Counter
CountTenGigabitEthernet82/0/0 1 down
9000/0/0/0TenGigabitEthernet82/0/1 2 down 9000/0/0/0local0
0 down 0/0/0/0vpp# set interface state
TenGigabitEthernet82/0/0 upvpp# set interface state TenGigabitEthernet82/0/1
upvpp# set interface l2 bridge TenGigabitEthernet82/0/0 1vpp# set interface l2
bridge TenGigabitEthernet82/0/1 1vpp# set nsim delay 10 ms bandwidth 10.1 gbit
packet-size 128Configured link delay 10.00 ms, 20.00 ms round-tripSim uses
26304512 bytes per thread, 157827072 bytes totalvpp# nsim enable-disable
TenGigabitEthernet82/0/0 TenGigabitEthernet82/0/1vpp# show nsimNetwork
simulator cross-connects TenGigabitEthernet82/0/0 and
TenGigabitEthernet82/0/1...inserting link delay of 10.00 ms, 20.00 ms
round-tripvpp# show interface Name Idx State MTU
(L3/IP4/IP6/MPLS) Counter CountTenGigabitEthernet82/0/0 1
up 9000/0/0/0 rx packets 16299
rx bytes
20247116 tx
packets 23927
tx bytes 22969807
drops
2407TenGigabitEthernet82/0/1 2 up 9000/0/0/0 rx
packets 23946
rx bytes 22972583
tx packets 16239
tx bytes
20206975
drops 3549local0 0 down
0/0/0/0vpp# set nsim delay 50 ms bandwidth 10.1 gbit packet-size 128
Program received signal SIGSEGV, Segmentation fault._dl_fixup (l=0x6df680,
reloc_arg=28) at ../elf/dl-runtime.c:7171 const char *strtab = (const void *)
D_PTR (l, l_info[DT_STRTAB]);(gdb)
On Wednesday, October 3, 2018, 8:48:01 AM MDT, Dave Barach via Lists.Fd.Io
<[email protected]> wrote:
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Please send a backtrace. Here are some general bug reporting
suggestions:https://wiki.fd.io/view/VPP/BugReports.
I’ve certainly reconfigured the simulator with traffic flowing without having
the wheels fall off, but the code is brand-new.
Thanks... Dave
From: Brendan Kelly <[email protected]>
Sent: Wednesday, October 3, 2018 10:39 AM
To: [email protected]
Cc: Dave Barach (dbarach) <[email protected]>; [email protected]
Subject: Re: [vpp-dev] WRED
Hello Dave, if you change the nsim delay values on the fly it appears vpp
crashes and all the state is lost.
Is this supported? Should I file a bug?
If so what logs should I attach?
On Oct 3, 2018, at 08:07, Brendan Kelly via Lists.Fd.Io
<[email protected]> wrote:
Ok, thanks for the input. I have it working.
vpp# create bridge-domain 1
bridge-domain 1
vpp# show b
bfd bier bond bridge-domain buffers
vpp# show bridge-domain 1
BD-ID Index BSN Age(min) Learning U-Forwrd UU-Flood Flooding
ARP-Term BVI-Intf
1 1 0 off on on flood on
off N/A
vpp# set interface l2 bridge TenGigabitEthernet82/0/0 1
vpp# set interface l2 bridge TenGigabitEthernet82/0/1 1
vpp# set nsim delay 10 ms bandwidth 10.1 gbit packet-size 128
Configured link delay 10.00 ms, 20.00 ms round-trip
Sim uses 26304512 bytes per thread, 157827072 bytes total
vpp# nsim enable-disable TenGigabitEthernet82/0/0 TenGigabitEthernet82/0/1
vpp# show nsim
Network simulator cross-connects TenGigabitEthernet82/0/0 and
TenGigabitEthernet82/0/1
...inserting link delay of 10.00 ms, 20.00 ms round-trip
On Wednesday, October 3, 2018, 7:19:00 AM MDT, Dave Barach via Lists.Fd.Io
<[email protected]> wrote:
It would be easy enough for the delay simulator to enable/disable promiscuous
mode. But it’s handy to bridge the pipes: traffic flows whether or not the
delay simulation is enabled.
D.
From:[email protected] <[email protected]>On Behalf Of Dave Barach via
Lists.Fd.Io
Sent: Wednesday, October 3, 2018 9:09 AM
To: Brendan Kelly <[email protected]>;[email protected]
Cc: [email protected]
Subject: Re: [vpp-dev] WRED
Put the interfaces in an L2 bridge group, or they won’t be in promiscuous
mode...
Here’s a config that I use a bunch:
set int l2 bridge FortyGigabitEthernet86/0/1 1
set int state FortyGigabitEthernet86/0/1 up
set int l2 bridge TenGigabitEthernetd/0/0 1
set int state TenGigabitEthernetd/0/0 up
bin nsim_configure delay 10 ms bandwidth 10.1 gbit packet-size 128
bin nsim_enable_disable FortyGigabitEthernet86/0/1 TenGigabitEthernetd/0/0
HTH... Dave
From: Brendan Kelly <[email protected]>
Sent: Tuesday, October 2, 2018 10:03 PM
To: [email protected]; Dave Barach (dbarach) <[email protected]>
Subject: Re: [vpp-dev] WRED
Hello Dave, doesn't appear to forward. My ARP packets are not being forwarded.
I assume in this cross connect any packet in an interface is sent out the
other interface and vice versa?
Anything special needed in the startup.conf?
vpp# show nsim
Network simulator cross-connects TenGigabitEthernet82/0/0 and
TenGigabitEthernet82/0/1
...inserting link delay of 200.00 ms, 400.00 ms round-trip
On Tuesday, October 2, 2018, 6:00:42 AM MDT, Dave Barach via Lists.Fd.Io
<[email protected]> wrote:
With respect to delay / loss impairments, please have a look at the “nsim”
plugin: src/plugins/nsim.
From: <[email protected]> on behalf of "brendanakelly via Lists.Fd.Io"
<[email protected]>
Reply-To: "[email protected]" <[email protected]>
Date: Monday, October 1, 2018 at 6:18 PM
To: "[email protected]" <[email protected]>
Cc: "[email protected]" <[email protected]>
Subject: [vpp-dev] WRED
I am looking to setup vpp with WRED. I am not sure how the WRED profiles are
configured. I have hqos with 2 interfaces working in a bridge-domain and now
want to enable WRED.
My overall goal is to simulate the Linux tc "traffic control" application to
run impairments such as delay and packet loss.
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