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Re: [RARE-users] [freertr] clear p4lang p4 - required in case of interface addition


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  • From: mc36 <>
  • To: , Xavier Jeannin <>
  • Subject: Re: [RARE-users] [freertr] clear p4lang p4 - required in case of interface addition
  • Date: Wed, 26 Oct 2022 13:26:59 +0200
hi,
i've given a spin to your setup but it works here immediately...
can you try with the below sequence if it fails for you please?
thanks,
cs


sid(cfg)#bridge 11
sid(cfg-brdg)#
sid(cfg)#server p4lang p4 debug
servP4langCfg.sendLine:servP4langCfg.java:1114 fwd0 tx: keepalive
sid(cfg)#server p4lang p4
sid(cfg-server)#export-bridge 11
sid(cfg-server)#debug servP4langCfg.sendLine:servP4langCfg.java:1114 fwd0 tx:
bridgelabel_add 11 671317

sid(cfg)#interface bundle1.11
sid(cfg-subif)#brdebug servP4langCfg.sendLine:servP4langCfg.java:1114 fwd0
tx: portvlan_add 27038 3469 11
sid(cfg-subif)#bridge-group 11
sid(cfg-subif)#debug servP4langCfg.sendLine:servP4langCfg.java:1114 fwd0 tx:
portbridge_add 27038 11
sid(cfg-subif)#
sid(cfg-subif)#
sid(cfg)#interface sdn2
sid(cfg-if)#bridge-group 11
sid(cfg-if)#debug servP4langCfg.sendLine:servP4langCfg.java:1114 fwd0 tx:
portbridge_mod 2 11
debug servP4langCfg.sendLine:servP4langCfg.java:1114 fwd0 tx: keepalive
sid#ping 1.1.1.1 vrf v3
pinging 1.1.1.1, src=null, vrf=v3, cnt=5, len=64, df=false, tim=1000, gap=0,
ttl=255, tos=0, sgt=0, flow=0, fill=0, alrt=-1, sweep=false, multi=false
!!!!!


On 10/26/22 12:58, Xavier Jeannin wrote:
Hi,

you mentioned that export-bridge was not necessary if thee is no IP@ on the
bvi. I prefer this because it was my first understanding. So all is perfect
:-)

I add a new user with the export-bridge got the the same result. The ping
start to work when I clear the p4lang server.
I hope I have not once again made a misconfiguration :-( (Apologies in
advance if it was the cas)

/
/

/root@nmaas-demo:~# ping 16.16.16.101//
//PING 16.16.16.101 (16.16.16.101) 56(84) bytes of data.//
//64 bytes from 16.16.16.101: icmp_seq=133 ttl=255 time=1.16 ms//
//64 bytes from 16.16.16.101: icmp_seq=134 ttl=255 time=0.866 ms//
//64 bytes from 16.16.16.101: icmp_seq=135 ttl=255 time=1.03 ms//
//64 bytes from 16.16.16.101: icmp_seq=136 ttl=255 time=1.20 ms//
//64 bytes from 16.16.16.101: icmp_seq=137 ttl=255 time=0.999 ms//
//64 bytes from 16.16.16.101: icmp_seq=138 ttl=255 time=0.811 ms//
//64 bytes from 16.16.16.101: icmp_seq=139 ttl=255 time=1.03 ms//
//^C//
//--- 16.16.16.101 ping statistics ---//
//139 packets transmitted, 7 received, 94% packet loss, time 141201ms//
//rtt min/avg/max/mdev = 0.811/1.016/1.205/0.133 ms/


DAV0001#clear p4lang p4
DAV0001#show running-config hide
hostname DAV0001
buggy
!
logging buffered debug 10240
logging file debug /var/log/freertr.log
logging rotate 655360000 /var/log/freertr.old
!
aaa userlist usr
username rare
exit
!
bundle 1
loadbalance round
exit
!
bridge 1
mac-learn
exit
!
bridge 2
mac-learn
exit
!
bridge 3
mac-learn
exit
!
bridge 4
mac-learn
exit
!
bridge 5
mac-learn
exit
!
bridge 6
mac-learn
exit
!
vrf definition inet
exit
!
vrf definition p4
exit
!
interface bundle1
no shutdown
no log-link-change
exit
!
interface bundle1.11
bridge-group 1
no shutdown
no log-link-change
exit
!
interface bundle1.12
bridge-group 2
no shutdown
no log-link-change
exit
!
interface bundle1.16
bridge-group 6
no shutdown
no log-link-change
exit
!
interface bundle1.17
bridge-group 5
no shutdown
no log-link-change
exit
!
interface bundle1.18
bridge-group 4
no shutdown
no log-link-change
exit
!
interface bundle1.19
bridge-group 3
no shutdown
no log-link-change
exit
!
interface bvi1
no shutdown
no log-link-change
exit
!
interface bvi2
no shutdown
no log-link-change
exit
!
interface bvi3
vrf forwarding inet
ipv4 address 19.19.19.1 255.255.255.0
no shutdown
no log-link-change
exit
!
interface bvi4
no shutdown
no log-link-change
exit
!
interface bvi5
no shutdown
no log-link-change
exit
!
interface bvi6
no shutdown
no log-link-change
exit
!
interface ethernet0
no shutdown
no log-link-change
exit
!
interface ethernet1
no shutdown
no log-link-change
exit
!
interface ethernet2
no shutdown
no log-link-change
exit
!
interface sdn10
mtu 1500
macaddr 002b.1540.1530
bundle-group 1
no shutdown
no log-link-change
exit
!
interface sdn15
mtu 1500
macaddr 007c.326c.7058
no shutdown
no log-link-change
exit
!
interface sdn15.11
bridge-group 1
no shutdown
no log-link-change
exit
!
interface sdn15.12
bridge-group 2
no shutdown
no log-link-change
exit
!
interface sdn15.16
bridge-group 6
no shutdown
no log-link-change
exit
!
interface sdn15.17
bridge-group 5
no shutdown
no log-link-change
exit
!
interface sdn15.18
bridge-group 4
no shutdown
no log-link-change
exit
!
interface sdn15.19
bridge-group 3
no shutdown
no log-link-change
exit
!
interface sdn7
mtu 1500
macaddr 006c.6722.2e73
bundle-group 1
no shutdown
no log-link-change
exit
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
sensor ifaces-hw
path interfaces-hw/interface/counter
prefix freertr-ifaces
prepend iface_hw_byte_
command sho inter hwsumm
name 0 ifc=
key name interfaces-hw/interface
replace \. _
column 1 name st
column 1 replace admin -1
column 1 replace down 0
column 1 replace up 1
column 2 name tx
column 3 name rx
column 4 name dr
exit
!
sensor ifaces-sw
path interfaces-sw/interface/counter
prefix freertr-ifaces
prepend iface_sw_byte_
command sho inter swsumm
name 0 ifc=
key name interfaces-sw/interface
replace \. _
column 1 name st
column 1 replace admin -1
column 1 replace down 0
column 1 replace up 1
column 2 name tx
column 3 name rx
column 4 name dr
exit
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
server telnet p4
security protocol telnet
exec logging
no exec authorization
no login authentication
login logging
vrf p4
exit
!
server telnet telnet
no exec authorization
no login authentication
vrf p4
exit
!
server p4lang p4
export-vrf inet
export-bridge 1
export-bridge 2
export-bridge 3
export-bridge 4
export-bridge 5
export-bridge 6
export-port sdn15 12 10 0 0 0
export-port sdn10 52 10 0 0 0
export-port sdn7 176 10 0 0 0
export-port bundle1 dynamic 0 0 0 0
interconnect ethernet0
vrf p4
exit
!
server prometheus pr
sensor ifaces-hw
sensor ifaces-sw
interface bvi3
vrf inet
exit
!
!
end

Regards
Xavier

Le 26/10/2022 12:08, mc36 a crit :
hi,
so you missed the required stanza export-bridge 5 under p4lang server
again... :)
can you give that a try without the clearing?
br,
cs


On 10/26/22 12:03, wrote:
Hi

Thank you Csaba. I was in a meeting

It was also my understanding that export-bridge was required but in one of
your email ...
Whatever I update the configuration according to your advice I just keep
the @IP on the bvi3 as it is used for the monitoring

So for all others clients, no IP address on the PPN.
I just add a new client 17 and same problem

/DAV0001#conf t//
//DAV0001(cfg)#bridge 5//
//DAV0001(cfg-brdg)#mac-learn//
//DAV0001(cfg-brdg)#exit//
//DAV0001(cfg)#interface sdn15.17//
//DAV0001(cfg-subif)#bridge-group 5//
//DAV0001(cfg-subif)#exit//
//DAV0001(cfg)#interface bundle1.17//
//DAV0001(cfg-subif)#bridge-group 5//
//DAV0001(cfg-subif)#exit//
//DAV0001(cfg)#exit/

--> then configuration of the PE
--> Ping /
root@nmaas-demo:~# ping 17.17.17.101//
//PING 17.17.17.101 (17.17.17.101) 56(84) bytes of data./
--> no work
--> /DAV0001#clear p4lang p4/
then the ping works /
64 bytes from 17.17.17.101: icmp_seq=231 ttl=255 time=1.14 ms//
//64 bytes from 17.17.17.101: icmp_seq=232 ttl=255 time=1.03 ms//
//64 bytes from 17.17.17.101: icmp_seq=233 ttl=255 time=1.05 ms//
//^C//
//--- 17.17.17.101 ping statistics ---//
//233 packets transmitted, 3 received, 98% packet loss, time 237505ms//
//rtt min/avg/max/mdev = 1.032/1.078/1.148/0.062 ms/

Regards
Xavier


DAV0001#show running-config hide
hostname DAV0001
buggy
!
logging buffered debug 10240
logging file debug /var/log/freertr.log
logging rotate 655360000 /var/log/freertr.old
!
aaa userlist usr
username rare
exit
!
bundle 1
loadbalance round
exit
!
bridge 1
mac-learn
exit
!
bridge 2
mac-learn
exit
!
bridge 3
mac-learn
exit
!
bridge 4
mac-learn
exit
!
bridge 5
mac-learn
exit
!
vrf definition inet
exit
!
vrf definition p4
exit
!
interface bundle1
no shutdown
no log-link-change
exit
!
interface bundle1.11
bridge-group 1
no shutdown
no log-link-change
exit
!
interface bundle1.12
bridge-group 2
no shutdown
no log-link-change
exit
!
interface bundle1.17
bridge-group 5
no shutdown
no log-link-change
exit
!
interface bundle1.18
bridge-group 4
no shutdown
no log-link-change
exit
!
interface bundle1.19
bridge-group 3
no shutdown
no log-link-change
exit
!
interface bvi1
no shutdown
no log-link-change
exit
!
interface bvi2
no shutdown
no log-link-change
exit
!
interface bvi3
vrf forwarding inet
ipv4 address 19.19.19.1 255.255.255.0
no shutdown
no log-link-change
exit
!
interface bvi4
no shutdown
no log-link-change
exit
!
interface bvi5
no shutdown
no log-link-change
exit
!
interface ethernet0
no shutdown
no log-link-change
exit
!
interface ethernet1
no shutdown
no log-link-change
exit
!
interface ethernet2
no shutdown
no log-link-change
exit
!
interface sdn10
mtu 1500
macaddr 002b.1540.1530
bundle-group 1
no shutdown
no log-link-change
exit
!
interface sdn15
mtu 1500
macaddr 007c.326c.7058
no shutdown
no log-link-change
exit
!
interface sdn15.11
bridge-group 1
no shutdown
no log-link-change
exit
!
interface sdn15.12
bridge-group 2
no shutdown
no log-link-change
exit
!
interface sdn15.17
bridge-group 5
no shutdown
no log-link-change
exit
!
interface sdn15.18
bridge-group 4
no shutdown
no log-link-change
exit
!
interface sdn15.19
bridge-group 3
no shutdown
no log-link-change
exit
!
interface sdn7
mtu 1500
macaddr 006c.6722.2e73
bundle-group 1
no shutdown
no log-link-change
exit
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
sensor ifaces-hw
path interfaces-hw/interface/counter
prefix freertr-ifaces
prepend iface_hw_byte_
command sho inter hwsumm
name 0 ifc=
key name interfaces-hw/interface
replace \. _
column 1 name st
column 1 replace admin -1
column 1 replace down 0
column 1 replace up 1
column 2 name tx
column 3 name rx
column 4 name dr
exit
!
sensor ifaces-sw
path interfaces-sw/interface/counter
prefix freertr-ifaces
prepend iface_sw_byte_
command sho inter swsumm
name 0 ifc=
key name interfaces-sw/interface
replace \. _
column 1 name st
column 1 replace admin -1
column 1 replace down 0
column 1 replace up 1
column 2 name tx
column 3 name rx
column 4 name dr
exit
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
server telnet p4
security protocol telnet
exec logging
no exec authorization
no login authentication
login logging
vrf p4
exit
!
server telnet telnet
no exec authorization
no login authentication
vrf p4
exit
!
server p4lang p4
export-vrf inet
export-bridge 3
export-port sdn15 12 10 0 0 0
export-port sdn10 52 10 0 0 0
export-port sdn7 176 10 0 0 0
export-port bundle1 dynamic 0 0 0 0
interconnect ethernet0
vrf p4
exit
!
server prometheus pr
sensor ifaces-hw
sensor ifaces-sw
interface bvi3
vrf inet
exit
!
!
end

Le 26/10/2022 10:03, mc36 a crit :
hi,
what i can see here is that you're assigning an ip to the bvi which should be
avoided...
and finally, i really have no idea how it works as the export-bridge 4 under
p4lang is missing?
br,
cs

On 10/26/22 09:45, wrote:
thank you Csaba

here it is

---------- configuration of the VLAN to connect the client ---
DAV0001#conf t
DAV0001(cfg)#bridge 4
DAV0001(cfg-brdg)#mac-learn
DAV0001(cfg-brdg)#exit
DAV0001(cfg)#interface sdn15.18
DAV0001(cfg-subif)#bridge-group 4
DAV0001(cfg-subif)#exit
DAV0001(cfg)#interface bvi4
DAV0001(cfg-if)#vrf forwarding inet
DAV0001(cfg-if)#ipv4 address 18.18.18.1 255.255.255.0
DAV0001(cfg-if)#exit
DAV0001(cfg)#exit
DAV0001#ping 18.18.18.1 vrf inet
pinging 18.18.18.1, src=null, vrf=inet, cnt=5, len=64, df=false, tim=1000,
gap=0, ttl=255, tos=0, sgt=0, flow=0, fill=0, alrt=-1, sweep=false,
multi=false
!!!!!
result=100.0%, recv/sent/lost/err=5/5/0/0, took 1, min/avg/max/dev
rtt=0/0.1/1/0.1, ttl 255/255/255/0.0, tos 0/0.0/0/0.0

DAV0001#show ipv4 arp bvi4
mac address time static
246e.964c.3e1a 18.18.18.44 00:00:37 false

-----------------

DAV0001#clear p4lang p4

----> then ping with client works

------------- configuration bundle for connection to the PE ------------

DAV0001#conf t
DAV0001(cfg)#interface bundle1.18
DAV0001(cfg-subif)#bridge-group 4
DAV0001(cfg-subif)#exit
-------------

DAV0001#clear p4lang p4
----> then ping from client to PE works

Regards
Xavier

Le 26/10/2022 09:29, mc36 a crit :
hi,
could you please give me the exact cli commands you execute on the rare box?
then maybe i can fix the issue... :)
(it must be a bug somewhere in the freerouter exporting process...)
thanks,
cs



On 10/26/22 09:26, wrote:
Hello

In my use case (see below graph) , from time to time, I will have to add a
new 'virtual' interface (bundle1.12 ... bundle1.15 etc ...) for each client.
I notice that I need to make a 'clear p4lang p4' on the PPN, each time I add
a client.
This annoy me because it will generate traffic perturbation when adding a new
client on the traffic of all other clients.

Maybe I do not configure correctly me P4lang server

/DAV0001#show running-config server p4lang p4//
//server p4lang p4//
// export-vrf inet//
// export-port sdn15 12 10 0 0 0//
// export-port sdn10 52 10 0 0 0//
// export-port sdn7 176 10 0 0 0//
// export-port bundle1 dynamic 0 0 0 0//
// interconnect ethernet0//
// vrf p4//
// exit/

Here is the description of the steps I follow to add a client :

1/ I create a VLAN between the client (here a linux machine) and the PPN Wedge; I implement a bridge on the PPN and put an address on the bvi of the bridge to check the connectivity
then
On the client - Ping from client to the bvi on the PNN -- failed
On the PPN - clear p4lang p4
then the Ping works

2/ I implement the connection between the PPN and the PE (Bundle
configuration on the PPN and on the PE)
The
On the client - Ping from client to the end of the bundle on the PE -- failed
On the PE - clear p4lang p4
On the client - Ping from client to the end of the bundle on the PE -- still
ailed
On the PPN - clear p4lang p4
then the Ping works


Any idea ?
My conf is below

Thank you
Xavier


DAV0001#show running-config hide
hostname DAV0001
buggy
!
logging buffered debug 10240
logging file debug /var/log/freertr.log
logging rotate 655360000 /var/log/freertr.old
!
aaa userlist usr
username rare
exit
!
bundle 1
loadbalance round
exit
!
bridge 1
mac-learn
exit
!
bridge 2
mac-learn
exit
!
bridge 3
mac-learn
exit
!
bridge 4
mac-learn
exit
!
vrf definition inet
exit
!
vrf definition p4
exit
!
interface bundle1
no shutdown
no log-link-change
exit
!
interface bundle1.11
bridge-group 1
no shutdown
no log-link-change
exit
!
interface bundle1.12
bridge-group 2
no shutdown
no log-link-change
exit
!
interface bundle1.18
bridge-group 4
no shutdown
no log-link-change
exit
!
interface bundle1.19
bridge-group 3
no shutdown
no log-link-change
exit
!
interface bvi1
no shutdown
no log-link-change
exit
!
interface bvi2
no shutdown
no log-link-change
exit
!
interface bvi3
vrf forwarding inet
ipv4 address 19.19.19.1 255.255.255.0
no shutdown
no log-link-change
exit
!
interface bvi4
vrf forwarding inet
ipv4 address 18.18.18.1 255.255.255.0
no shutdown
no log-link-change
exit
!
interface ethernet0
no shutdown
no log-link-change
exit
!
interface ethernet1
no shutdown
no log-link-change
exit
!
interface ethernet2
no shutdown
no log-link-change
exit
!
interface sdn10
mtu 1500
macaddr 002b.1540.1530
bundle-group 1
no shutdown
no log-link-change
exit
!
interface sdn15
mtu 1500
macaddr 007c.326c.7058
no shutdown
no log-link-change
exit
!
interface sdn15.11
bridge-group 1
no shutdown
no log-link-change
exit
!
interface sdn15.12
bridge-group 2
no shutdown
no log-link-change
exit
!
interface sdn15.18
bridge-group 4
no shutdown
no log-link-change
exit
!
interface sdn15.19
bridge-group 3
no shutdown
no log-link-change
exit
!
interface sdn7
mtu 1500
macaddr 006c.6722.2e73
bundle-group 1
no shutdown
no log-link-change
exit
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
sensor ifaces-hw
path interfaces-hw/interface/counter
prefix freertr-ifaces
prepend iface_hw_byte_
command sho inter hwsumm
name 0 ifc=
key name interfaces-hw/interface
replace \. _
column 1 name st
column 1 replace admin -1
column 1 replace down 0
column 1 replace up 1
column 2 name tx
column 3 name rx
column 4 name dr
exit
!
sensor ifaces-sw
path interfaces-sw/interface/counter
prefix freertr-ifaces
prepend iface_sw_byte_
command sho inter swsumm
name 0 ifc=
key name interfaces-sw/interface
replace \. _
column 1 name st
column 1 replace admin -1
column 1 replace down 0
column 1 replace up 1
column 2 name tx
column 3 name rx
column 4 name dr
exit
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
server telnet p4
security protocol telnet
exec logging
no exec authorization
no login authentication
login logging
vrf p4
exit
!
server telnet telnet
no exec authorization
no login authentication
vrf p4
exit
!
server p4lang p4
export-vrf inet
export-port sdn15 12 10 0 0 0
export-port sdn10 52 10 0 0 0
export-port sdn7 176 10 0 0 0
export-port bundle1 dynamic 0 0 0 0
interconnect ethernet0
vrf p4
exit
!
server prometheus pr
sensor ifaces-hw
sensor ifaces-sw
interface bvi3
vrf inet
exit
!
!
end


--
Xavier JEANNIN
Network Dpt.
GN4-3 Network technology evolution (WP6 T1) task leader
T l. : +33 1 5394 2042
Mob. : +33 6 3017 0963
www.renater.fr



--
Xavier JEANNIN
Network Dpt.
GN4-3 Network technology evolution (WP6 T1) task leader
T l. : +33 1 5394 2042
Mob. : +33 6 3017 0963
www.renater.fr

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Xavier JEANNIN
Network Dpt.
GN4-3 Network technology evolution (WP6 T1) task leader
T l. : +33 1 5394 2042
Mob. : +33 6 3017 0963
www.renater.fr


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