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Re: [gn4-3-wp6-t1-wb-RARE] new features


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  • From: Tim Chown <>
  • To: mc36 <>
  • Cc: "" <>, "" <>
  • Subject: Re: [gn4-3-wp6-t1-wb-RARE] new features
  • Date: Fri, 5 Feb 2021 12:08:30 +0000
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Great, thank you.

> On 5 Feb 2021, at 11:12, mc36 <> wrote:
>
> hi,
>
> here we go... the dataplane features i marked will be out soon for p4, and
> mostly all are here in the dpdk code...
>
>
>
> in dataplane only featuers:
>
> RFC 8279 (was draft-ietf-bier-architecture) Multicast Using Bit Index
> Explicit Replication (BIER)
>
> RFC 8296 (was draft-ietf-bier-mpls-encapsulation) Encapsulation for Bit
> Index Explicit Replication (BIER) in MPLS and Non-MPLS Networks
>
>
>
> control plane only features:
>
> RFC 8401 (was draft-ietf-bier-isis-extensions) Bit Index Explicit
> Replication (BIER) Support via IS-IS
>
> RFC 8444 (was draft-ietf-bier-ospf-bier-extensions) OSPFv2 Extensions for
> Bit Index Explicit Replication (BIER)
>
> draft-ietf-bier-pim-signaling-11 PIM Signaling Through BIER Core <--- also
> have dataplane needs, which also available
>
> draft-ietf-bier-evpn-04 EVPN BUM Using BIER <--- only available in
> software forwarding at the moment!
>
>
> regrads,
> cs
>
>
>
>
>
>
>
>
> On 2/5/21 12:04 PM, Tim Chown wrote:
>> Hi,
>> This all looks very encouraging!
>> Can we say anything about compliance with or which parts of the IETF bier
>> RFC and drafts the implementation supports?
>> (As per https://datatracker.ietf.org/wg/bier/documents/ which lists the 5
>> RFCs and the many drafts)
>> Tim
>>> On 4 Feb 2021, at 20:22, mc36 <> wrote:
>>>
>>> hi,
>>> the bier core (phase 1, we can say:) feature just arrived to the p4emu
>>> (dpdk, libpcap) dataplane....
>>> i need to do some housekeeping around it like adding the test cases for
>>> it and so on but i'm sure
>>> that it works as i use it extensively on my homenet... back in time kifu
>>> deployed a probe network
>>> to test it's mpls core.. there was not such a software that suited our
>>> needs so i added the missing
>>> pieces to freertr so now it can do a so called 'mesh tracker'. it can
>>> operate in unicast or multicast.
>>> it does only 2 thing: periodically fetches the peer list, and sends
>>> reports to the peers...
>>> the output is pretty self-explanatiory (1) a connectivity matrix.. in my
>>> case it all goes over
>>> bier (2) according to the local mroute and mldp tables...
>>> as every packet hold's the info where it wants to get itself replicated,
>>> the uplink of the
>>> tester knows nothing about the existence of the s,g groups (3).. this is
>>> what we call stateless!
>>> the only thing it knows is the bier bitmaps (4) computed by the igp in my
>>> case...
>>> as you can see, there were only hw switched packets, the freertr itselt
>>> did not get involved
>>> in the replication at all... hereby i would like to note that those
>>> hairpins (5) are all
>>> macsec-ed interfaces here as they're bridged toward the vpn tunnels to my
>>> other sites...
>>> for those who are skeptical about the mtracker thingy, you can spot in
>>> (1) that some peers had
>>> 130 reports while others just 10, this is because on the first try the
>>> flooding did not worked
>>> on hairpins as you can see on the failed (6) mtracker output, only my
>>> internal nodes had connectivity....
>>> regards,
>>> cs
>>>
>>>
>>>
>>>
>>>
>>> 1:
>>> mchome-evpn#show mtracker
>>> name group port total reach bidir changed
>>> l2v 10.11.12.13 5499 9 9 9 01:15:39
>>> v4 10.11.12.13 5499 13 13 13 01:16:12
>>> v4m 232.197.91.25 5488 13 13 13 00:07:52
>>> v4v 10.11.12.13 5499 11 11 11 01:16:12
>>> v6 2001:db8:1234:1234::1234 5499 13 13 13 01:16:12
>>> v6m ff09::232:197:91:25 5488 13 13 13 00:08:26
>>> v6v 2001:db8:1234:1234::1234 5499 11 11 11 01:16:12
>>>
>>> mchome-evpn#show mtracker v4m
>>> name=v4m, round=133, group=232.197.91.25
>>> port=5488, timer=33333/6, source=ifc loopback0
>>> changes=15, ago=00:08:01, at=2021-02-04 21:04:22
>>> peer#0: ip=10.1.11.199, state=up, changes=1, ago=01:16:21, at=2021-02-04
>>> 19:56:02, reports=130, last=00:00:22
>>> peer#1: ip=10.1.11.254, state=up, changes=1, ago=01:16:55, at=2021-02-04
>>> 19:55:28, reports=132, last=00:00:32
>>> peer#2: ip=10.1.11.255, state=up, changes=1, ago=01:16:55, at=2021-02-04
>>> 19:55:28, reports=-9, last=00:00:14
>>> peer#3: ip=10.4.4.254, state=up, changes=3, ago=00:08:01, at=2021-02-04
>>> 21:04:22, reports=12, last=00:00:18
>>> peer#4: ip=10.10.10.10, state=up, changes=1, ago=01:16:55, at=2021-02-04
>>> 19:55:28, reports=132, last=00:00:16
>>> peer#5: ip=10.10.10.19, state=up, changes=1, ago=00:08:01, at=2021-02-04
>>> 21:04:22, reports=9, last=00:00:16
>>> peer#6: ip=10.10.10.21, state=up, changes=1, ago=00:08:01, at=2021-02-04
>>> 21:04:22, reports=9, last=00:00:30
>>> peer#7: ip=10.10.10.26, state=up, changes=1, ago=00:08:01, at=2021-02-04
>>> 21:04:22, reports=10, last=00:00:07
>>> peer#8: ip=10.10.10.190, state=up, changes=1, ago=00:08:01, at=2021-02-04
>>> 21:04:22, reports=9, last=00:00:32
>>> peer#9: ip=10.10.10.222, state=up, changes=1, ago=01:16:55, at=2021-02-04
>>> 19:55:28, reports=133, last=00:00:11
>>> peer#10: ip=10.10.10.224, state=up, changes=1, ago=00:08:01,
>>> at=2021-02-04 21:04:22, reports=9, last=00:00:24
>>> peer#11: ip=10.10.10.225, state=up, changes=1, ago=00:08:01,
>>> at=2021-02-04 21:04:22, reports=9, last=00:00:24
>>> peer#12: ip=10.10.10.226, state=up, changes=1, ago=00:08:01,
>>> at=2021-02-04 21:04:22, reports=9, last=00:00:24
>>>
>>> \ 0 1 2 3 4 5 6 7 8 9 10 11 12
>>> 0 \ + + + + + + + + + + + +
>>> 1 + \ + + + + + + + + + + +
>>> 2 + + \ + + + + + + + + + +
>>> 3 + + + \ + + + + + + + + +
>>> 4 + + + + \ + + + + + + + +
>>> 5 + + + + + \ + + + + + + +
>>> 6 + + + + + + \ + + + + + +
>>> 7 + + + + + + + \ + + + + +
>>> 8 + + + + + + + + \ + + + +
>>> 9 + + + + + + + + + \ + + +
>>> 10 + + + + + + + + + + \ + +
>>> 11 + + + + + + + + + + + \ +
>>> 12 + + + + + + + + + + + + \
>>>
>>> mchome-evpn#show mtracker v6m
>>> name=v6m, round=133, group=ff09::232:197:91:25
>>> port=5488, timer=33333/6, source=ifc loopback0
>>> changes=13, ago=00:08:36, at=2021-02-04 21:03:48
>>> peer#0: ip=2001:db8:1101::10, state=up, changes=1, ago=01:16:57,
>>> at=2021-02-04 19:55:28, reports=132, last=00:00:12
>>> peer#1: ip=2001:db8:1101::19, state=up, changes=1, ago=00:08:36,
>>> at=2021-02-04 21:03:48, reports=10, last=00:00:18
>>> peer#2: ip=2001:db8:1101::21, state=up, changes=1, ago=00:08:36,
>>> at=2021-02-04 21:03:48, reports=10, last=00:00:32
>>> peer#3: ip=2001:db8:1101::26, state=up, changes=1, ago=00:08:36,
>>> at=2021-02-04 21:03:48, reports=10, last=00:00:32
>>> peer#4: ip=2001:db8:1101::190, state=up, changes=1, ago=00:08:36,
>>> at=2021-02-04 21:03:48, reports=10, last=00:00:21
>>> peer#5: ip=2001:db8:1101::4254, state=up, changes=1, ago=00:08:36,
>>> at=2021-02-04 21:03:48, reports=10, last=00:00:20
>>> peer#6: ip=2001:db8:1101::222:222, state=up, changes=1, ago=01:16:57,
>>> at=2021-02-04 19:55:28, reports=132, last=00:00:13
>>> peer#7: ip=2001:db8:1101::224:224, state=up, changes=1, ago=00:08:36,
>>> at=2021-02-04 21:03:48, reports=10, last=00:00:26
>>> peer#8: ip=2001:db8:1101::225:225, state=up, changes=1, ago=00:08:36,
>>> at=2021-02-04 21:03:48, reports=10, last=00:00:26
>>> peer#9: ip=2001:db8:1101::226:226, state=up, changes=1, ago=00:08:36,
>>> at=2021-02-04 21:03:48, reports=10, last=00:00:26
>>> peer#10: ip=2001:db8:1101::252:199, state=up, changes=1, ago=01:16:23,
>>> at=2021-02-04 19:56:02, reports=130, last=00:00:24
>>> peer#11: ip=2001:db8:1101::252:254, state=up, changes=1, ago=01:16:57,
>>> at=2021-02-04 19:55:28, reports=129, last=00:00:00
>>> peer#12: ip=2001:db8:1101::252:255, state=up, changes=1, ago=01:16:57,
>>> at=2021-02-04 19:55:28, reports=-9, last=00:00:16
>>>
>>> \ 0 1 2 3 4 5 6 7 8 9 10 11 12
>>> 0 \ + + + + + + + + + + + +
>>> 1 + \ + + + + + + + + + + +
>>> 2 + + \ + + + + + + + + + +
>>> 3 + + + \ + + + + + + + + +
>>> 4 + + + + \ + + + + + + + +
>>> 5 + + + + + \ + + + + + + +
>>> 6 + + + + + + \ + + + + + +
>>> 7 + + + + + + + \ + + + + +
>>> 8 + + + + + + + + \ + + + +
>>> 9 + + + + + + + + + \ + + +
>>> 10 + + + + + + + + + + \ + +
>>> 11 + + + + + + + + + + + \ +
>>> 12 + + + + + + + + + + + + \
>>>
>>> mchome-evpn#
>>>
>>>
>>>
>>> 2:
>>> mchome-evpn#show ipv4 mroute inet
>>> source group interface upstream targets
>>> 10.1.11.199 232.197.91.25 ethernet12 10.1.1.117 local
>>> 10.1.11.254 232.197.91.25 ethernet12 10.1.1.117 local
>>> 10.1.11.255 232.197.91.25 loopback0 10.1.11.255 local bier
>>> 10.4.4.254 232.197.91.25 ethernet12 10.1.1.117 local
>>> 10.10.10.10 232.197.91.25 ethernet12 10.1.1.117 local
>>> 10.10.10.19 232.197.91.25 ethernet12 10.1.1.117 local
>>> 10.10.10.21 232.197.91.25 ethernet12 10.1.1.117 local
>>> 10.10.10.26 232.197.91.25 ethernet12 10.1.1.117 local
>>> 10.10.10.190 232.197.91.25 ethernet12 10.1.1.117 local
>>> 10.10.10.222 232.197.91.25 ethernet12 10.1.1.117 local
>>> 10.10.10.224 232.197.91.25 ethernet12 10.1.1.117 local
>>> 10.10.10.225 232.197.91.25 ethernet12 10.1.1.117 local
>>> 10.10.10.226 232.197.91.25 ethernet12 10.1.1.117 local
>>>
>>> mchome-evpn#show ipv4 ldp inet mpdatabase
>>> type root opaque uplink peers
>>>
>>> mchome-evpn#
>>>
>>>
>>>
>>>
>>>
>>> 3:
>>> mchome#show ipv4 mroute inet
>>> source group interface upstream targets
>>>
>>> mchome#show ipv4 ldp inet mpdatabase
>>> type root opaque uplink peers
>>>
>>> mchome#show ipv4 mroute inet
>>> source group interface upstream targets
>>>
>>> mchome#
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>> 4:
>>> mchome#show mpls forwarding | include bier
>>> 616945 inet:4 null null unlabelled bier
>>> 0+272135
>>> 616946 inet:4 null null unlabelled bier 0+0
>>> 1048221 inet:6 null null unlabelled bier
>>> 0+364782
>>> 1048222 inet:6 null null unlabelled bier 0+0
>>>
>>> mchome#show mpls forwarding 616945
>>> category value
>>> label 616945
>>> key 18-lsrp bier
>>> working true
>>> forwarder inet:4
>>> interface null
>>> nexthop null
>>> remote label unlabelled
>>> need local false
>>> bier base 616945
>>> bier bsl 3-256
>>> bier si 0
>>> bier sis 0
>>> bier idx 10
>>> bier idx2 0
>>> bier local 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>>> 00 00 00 00 00 00 00 00 00 00 00 00 02 00
>>> bier peer 10.1.1.173 bundle1.176 lab=203046 00 00 00 00 00 00 00
>>> 00 00 00 00 00 00 00 00 00 00 00 20 01 00 00 00 00 00 00 00 00 00 00 00 00
>>> bier peer 10.1.1.125 bundle1.182 lab=689174 00 00 00 00 00 00 00
>>> 43 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>>> bier peer 10.1.1.122 bundle1.186 lab=893418 00 00 00 00 00 00 00
>>> 80 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 01 80 00 00
>>> bier peer 10.1.1.94 bundle1.189 lab=213418 00 00 00 00 00 00 00
>>> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 08 00 00
>>> bier peer 10.1.1.74 bundle1.196 lab=302713 00 00 00 00 00 00 00
>>> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 80 00 00 00 00 00 00 00 00 00
>>> bier peer 10.5.1.53 bundle1.199 lab=940285 00 00 00 00 00 00 00
>>> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 22 00 00 00 40 00 00
>>> bier peer 10.18.1.1 hairpin72.15 lab=951037 00 00 00 00 00 00 00
>>> 00 00 10 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>>> bier peer 10.18.1.9 hairpin82.23 lab=455475 00 00 00 00 00 02 00
>>> 00 60 08 00 00 00 00 00 00 00 00 00 00 70 00 00 40 00 00 00 01 c4 00 00 00
>>> bier peer 10.18.1.246 hairpin92.33 lab=413818 00 00 00 00 00 00
>>> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 40 80 00 00
>>> 00 00
>>> bier peer 10.2.1.6 sdn901 lab=389133 00 00 00 00 00 00 00 00 00
>>> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 02 00 00 00
>>> bier peer 10.1.1.118 sdn902 lab=132866 00 00 00 00 00 00 00 00
>>> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 20 00 00
>>> pwe iface null
>>> pwe del 0
>>> pwe add n/a
>>> counter tx=0(0) rx=0(0) drp=0(0)
>>> hardware counter tx=0(0) rx=272135(1965) drp=0(0)
>>>
>>> mchome#
>>>
>>>
>>>
>>>
>>> 5:
>>> mchome#show macsec ha72.15
>>> category value
>>> seq 14234
>>> win null
>>> pack 14234+3495 4352+4385 0+0
>>> byte 1754603+637918 335878+798764 0+0
>>>
>>> mchome#
>>>
>>>
>>>
>>>
>>>
>>>
>>> 6:
>>> services>show mtracker
>>> 2021-02-04 21:05:07
>>> name group port total reach bidir changed
>>> l2v 10.11.12.13 5499 9 9 9 01:08:27
>>> v4 10.11.12.13 5499 13 13 13 01:09:07
>>> v4m 232.197.91.25 5488 13 5 5 01:06:54
>>> v4v 10.11.12.13 5499 11 11 11 01:09:34
>>> v6 2001:db8:1234:1234::1234 5499 13 13 13 01:09:34
>>> v6m ff09::232:197:91:25 5488 13 5 5 01:06:47
>>> v6v 2001:db8:1234:1234::1234 5499 11 11 11 01:09:05
>>>
>>> services>show mtracker v4m
>>> 2021-02-04 21:05:10
>>> name=v4m, round=122, group=232.197.91.25
>>> port=5488, timer=33333/6, source=ifc loopback0
>>> changes=21, ago=01:06:56, at=2021-02-04 19:58:13
>>> peer#0: ip=10.1.11.199, state=up, changes=1, ago=01:10:50, at=2021-02-04
>>> 19:54:20, reports=121, last=00:00:22
>>> peer#1: ip=10.1.11.254, state=up, changes=1, ago=01:10:50, at=2021-02-04
>>> 19:54:20, reports=121, last=00:00:31
>>> peer#2: ip=10.1.11.255, state=up, changes=1, ago=01:09:10, at=2021-02-04
>>> 19:56:00, reports=120, last=00:00:14
>>> peer#3: ip=10.4.4.254, state=down, changes=2, ago=01:06:56, at=2021-02-04
>>> 19:58:13, reports=2, last=01:06:58
>>> peer#4: ip=10.10.10.10, state=up, changes=1, ago=01:10:50, at=2021-02-04
>>> 19:54:20, reports=-9, last=00:00:16
>>> peer#5: ip=10.10.10.19, state=down, changes=2, ago=01:06:56,
>>> at=2021-02-04 19:58:13, reports=2, last=01:06:56
>>> peer#6: ip=10.10.10.21, state=down, changes=2, ago=01:06:56,
>>> at=2021-02-04 19:58:13, reports=2, last=01:07:10
>>> peer#7: ip=10.10.10.26, state=down, changes=2, ago=01:06:56,
>>> at=2021-02-04 19:58:13, reports=2, last=01:07:20
>>> peer#8: ip=10.10.10.190, state=down, changes=2, ago=01:06:56,
>>> at=2021-02-04 19:58:13, reports=2, last=01:07:12
>>> peer#9: ip=10.10.10.222, state=up, changes=1, ago=01:10:50, at=2021-02-04
>>> 19:54:20, reports=123, last=00:00:11
>>> peer#10: ip=10.10.10.224, state=down, changes=2, ago=01:06:56,
>>> at=2021-02-04 19:58:13, reports=2, last=01:07:26
>>> peer#11: ip=10.10.10.225, state=down, changes=2, ago=01:06:56,
>>> at=2021-02-04 19:58:13, reports=2, last=01:07:26
>>> peer#12: ip=10.10.10.226, state=down, changes=2, ago=01:06:56,
>>> at=2021-02-04 19:58:13, reports=2, last=01:07:26
>>>
>>> \ 0 1 2 3 4 5 6 7 8 9 10 11 12
>>> 0 \ + + - + - - - - + - - -
>>> 1 + \ + - + - - - - + - - -
>>> 2 + + \ - + - - - - + - - -
>>> 3 - - - \ - - - - - - - - -
>>> 4 + + + - \ - - - - + - - -
>>> 5 - - - - - \ - - - - - - -
>>> 6 - - - - - - \ - - - - - -
>>> 7 - - - - - - - \ - - - - -
>>> 8 - - - - - - - - \ - - - -
>>> 9 + + + - + - - - - \ - - -
>>> 10 - - - - - - - - - - \ - -
>>> 11 - - - - - - - - - - - \ -
>>> 12 - - - - - - - - - - - - \
>>>
>>> services>
>>>
>>>
>>>
>>>
>>>> as seemingly there is an interest in the bier progress so here is the
>>>> current state,
>>>> the api messages are seems to be allright and react to the changes (i
>>>> cleared the peer)
>>>> now the p4emu (dpdk) to consume these and replicate the packets
>>>> accordingly....
>>>> regards,
>>>> cs
>>>> sid#show logging | include bier
>>>> 2021-02-04 16:33:59.797 debug
>>>> serv.servP4lang.sendLine:servP4lang.java:560 tx: bierlabloc4_add 2 56298
>>>> 252905 0 0 0 0 0 0 0 2
>>>> 2021-02-04 16:34:02.248 debug
>>>> serv.servP4lang.sendLine:servP4lang.java:560 tx: bierlabel4_add 2 56298
>>>> 252905 1 1 4244 540419 0 0 0 0 0 0 0 4
>>>> 2021-02-04 16:34:02.249 debug
>>>> serv.servP4lang.sendLine:servP4lang.java:560 tx: bierlabel4_add 2 56298
>>>> 252905 2 2 50978 761055 0 0 0 0 0 0 0 8
>>>> 2021-02-04 16:34:02.249 debug
>>>> serv.servP4lang.sendLine:servP4lang.java:560 tx: bierlabel4_add 2 56298
>>>> 252905 3 3 62714 800735 0 0 0 0 0 0 0 16
>>>> 2021-02-04 16:34:02.249 debug
>>>> serv.servP4lang.sendLine:servP4lang.java:560 tx: bierlabloc4_mod 2 56298
>>>> 252905 0 0 0 0 0 0 0 2
>>>> 2021-02-04 16:34:32.685 debug
>>>> serv.servP4lang.sendLine:servP4lang.java:560 tx: bierlabel4_del 2 56298
>>>> 252905 1 1 4244 540419 0 0 0 0 0 0 0 4
>>>> 2021-02-04 16:34:32.686 debug
>>>> serv.servP4lang.sendLine:servP4lang.java:560 tx: bierlabel4_mod 2 56298
>>>> 252905 2 2 50978 761055 0 0 0 0 0 0 0 8
>>>> 2021-02-04 16:34:32.686 debug
>>>> serv.servP4lang.sendLine:servP4lang.java:560 tx: bierlabel4_mod 2 56298
>>>> 252905 3 3 62714 800735 0 0 0 0 0 0 0 16
>>>> 2021-02-04 16:34:32.686 debug
>>>> serv.servP4lang.sendLine:servP4lang.java:560 tx: bierlabloc4_mod 2 56298
>>>> 252905 0 0 0 0 0 0 0 2
>>>> 2021-02-04 16:34:35.694 debug
>>>> serv.servP4lang.sendLine:servP4lang.java:560 tx: bierlabel4_add 2 56298
>>>> 252905 1 1 4244 540419 0 0 0 0 0 0 0 4
>>>> 2021-02-04 16:34:35.694 debug
>>>> serv.servP4lang.sendLine:servP4lang.java:560 tx: bierlabel4_mod 2 56298
>>>> 252905 2 2 50978 761055 0 0 0 0 0 0 0 8
>>>> 2021-02-04 16:34:35.694 debug
>>>> serv.servP4lang.sendLine:servP4lang.java:560 tx: bierlabel4_mod 2 56298
>>>> 252905 3 3 62714 800735 0 0 0 0 0 0 0 16
>>>> 2021-02-04 16:34:35.695 debug
>>>> serv.servP4lang.sendLine:servP4lang.java:560 tx: bierlabloc4_mod 2 56298
>>>> 252905 0 0 0 0 0 0 0 2
>>>> sid#
>>>> sid#show mpls forwarding 252905
>>>> category         value
>>>> label            252905
>>>> key              22-bgp bier
>>>> working          true
>>>> forwarder        v2:4
>>>> interface        null
>>>> nexthop          null
>>>> remote label     unlabelled
>>>> need local       false
>>>> bier base        252905
>>>> bier bsl         3-256
>>>> bier si          0
>>>> bier sis         0
>>>> bier idx         2
>>>> bier idx2Â Â Â Â Â Â Â Â 0
>>>> bier local       00 00 00 00 00 00 00 00 00 00 00 00 00
>>>> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 02
>>>> bier peer        1.1.1.2 sdn1 lab=540419 00 00 00 00
>>>> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>>>> 00 00 00 04
>>>> bier peer        1.1.1.6 sdn2 lab=761055 00 00 00 00
>>>> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>>>> 00 00 00 08
>>>> bier peer        1.1.1.10 sdn3 lab=800735 00 00 00
>>>> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>>>> 00 00 00 00 10
>>>> pwe iface        null
>>>> pwe del          0
>>>> pwe add          n/a
>>>> counter          tx=0(0) rx=0(0) drp=0(0)
>>>> hardware counter null
>>>> sid#




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