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Example: spantree over ethernet

r1:

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hostname r1
buggy
!
logging file debug ../binTmp/zzz72r1-log.run
!
bridge 1
 mac-learn
 stp-mode ieee
 exit
!
vrf definition tester
 exit
!
vrf definition v1
 rd 1:1
 exit
!
interface bvi1
 no description
 vrf forwarding v1
 ipv4 address 1.1.1.1 255.255.255.0
 ipv6 address 1234::1 ffff::
 no shutdown
 no log-link-change
 exit
!
interface ethernet1
 no description
 bridge-group 1
 no shutdown
 no log-link-change
 exit
!
interface ethernet2
 no description
 bridge-group 1
 no shutdown
 no log-link-change
 exit
!
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server telnet tester
 security protocol telnet
 no exec authorization
 no login authentication
 vrf tester
 exit
!
!
end

r2:

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hostname r2
buggy
!
logging file debug ../binTmp/zzz72r2-log.run
!
bridge 1
 mac-learn
 stp-mode ieee
 exit
!
vrf definition tester
 exit
!
vrf definition v1
 rd 1:1
 exit
!
interface bvi1
 no description
 vrf forwarding v1
 ipv4 address 1.1.1.2 255.255.255.0
 ipv6 address 1234::2 ffff::
 no shutdown
 no log-link-change
 exit
!
interface ethernet1
 no description
 bridge-group 1
 no shutdown
 no log-link-change
 exit
!
interface ethernet2
 no description
 bridge-group 1
 no shutdown
 no log-link-change
 exit
!
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server telnet tester
 security protocol telnet
 no exec authorization
 no login authentication
 vrf tester
 exit
!
!
end

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r2#
r2#
r2#show bridge 1
r2#show bridge 1
 |~~~~~~~~~~~|~~~~~~|~~~~~~|~~~~|~~~~|~~~~~~|~~~~~~|~~~~~~|~~~~~~|~~~~~|
 |                         | packet         | byte               |     |
 | iface     | fwd  | phys | tx | rx | drop | tx   | rx   | drop | grp |
 |-----------|------|------|----|----|------|------|------|------|-----|
 | brprt bvi |      |      |    |    |      |      |      |      |     |
 | ethernet1 | true | true | 33 | 36 | 0    | 2028 | 2172 | 0    |     |
 | ethernet2 | true | true | 8  | 5  | 0    | 384  | 200  | 0    |     |
 |___________|______|______|____|____|______|______|______|______|_____|
 |~~~~~~~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~|~~~~~~~~~~|~~~~|~~~~|~~~~~~|~~~~~~|~~~~~~|~~~~~~|
 |                                     | packet             | byte               |  |
 | addr           | iface     | static | time     | tx | rx | drop | tx   | rx   | drop |
 |----------------|-----------|--------|----------|----|----|------|------|------|------|
 | 003e.186a.197d | bvi       | false  | 00:00:09 | 27 | 31 | 0    | 1790 | 2082 | 0    |
 | 0053.2436.0005 | ethernet1 | false  | 00:00:09 | 27 | 29 | 0    | 1754 | 1900 | 0    |
 |________________|___________|________|__________|____|____|______|______|______|______|
r2#
r2#
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r2#
r2#
r2#show inter bvi1 full
r2#show inter bvi1 full
bvi1 is up (since 00:00:10, 3 changes)
 description:
 type is bridged, hwaddr=003e.186a.197d, mtu=1500, bw=100mbps, vrf=v1
 ip4 address=1.1.1.2/24, netmask=255.255.255.0, ifcid=790313893
 ip6 address=1234::2/16, netmask=ffff::, ifcid=48323572
 received 29 packets (1900 bytes) dropped 0 packets (0 bytes)
 transmitted 31 packets (2082 bytes) promisc=false macsec=false sgt=false
 |~~~~~~~|~~~~|~~~~|~~~~~~|~~~~~|~~~~~|~~~~~~|
 |       | packet         | byte             |
 | time  | tx | rx | drop | tx  | rx  | drop |
 |-------|----|----|------|-----|-----|------|
 | 1sec  | 3  | 3  | 0    | 198 | 198 | 0    |
 | 1min  | 0  | 0  | 0    | 0   | 0   | 0    |
 | 1hour | 0  | 0  | 0    | 0   | 0   | 0    |
 |_______|____|____|______|_____|_____|______|
 |~~~~~~~~|~~~~~~~|~~~~~~~~~|~~~~|~~~~|~~~~~~|~~~~~~|~~~~~~|~~~~~~|
 |                          | packet         | byte               |
 | type   | value | handler | tx | rx | drop | tx   | rx   | drop |
 |--------|-------|---------|----|----|------|------|------|------|
 | ethtyp | 0000  | null    | 0  | 0  | 0    | 0    | 0    | 0    |
 | ethtyp | 0800  | ip4     | 12 | 12 | 0    | 792  | 792  | 0    |
 | ethtyp | 0806  | arp4    | 1  | 1  | 0    | 30   | 36   | 0    |
 | ethtyp | 86dd  | ip6     | 18 | 16 | 0    | 1260 | 1072 | 0    |
 |________|_______|_________|____|____|______|______|______|______|
 |~~~~~|~~~~|~~~~|
 | who | tx | rx |
 |-----|----|----|
 |_____|____|____|
 |~~~~~~~|~~~~~~|~~~~~~|
 | proto | pack | byte |
 |-------|------|------|
 | 0     | 1    | 30   |
 | 1     | 12   | 792  |
 | 58    | 18   | 1260 |
 |_______|______|______|
 |~~~~~~~~~~~~|~~~~|~~~~|~~~~~~|~~~~~~|~~~~~~|~~~~~~|
 |            | packet         | byte               |
 | size       | tx | rx | drop | tx   | rx   | drop |
 |------------|----|----|------|------|------|------|
 | 0-255      | 31 | 29 | 0    | 2082 | 1900 | 0    |
 | 256-511    | 0  | 0  | 0    | 0    | 0    | 0    |
 | 512-767    | 0  | 0  | 0    | 0    | 0    | 0    |
 | 768-1023   | 0  | 0  | 0    | 0    | 0    | 0    |
 | 1024-1279  | 0  | 0  | 0    | 0    | 0    | 0    |
 | 1280-1535  | 0  | 0  | 0    | 0    | 0    | 0    |
 | 1536-1791  | 0  | 0  | 0    | 0    | 0    | 0    |
 | 1792-65535 | 0  | 0  | 0    | 0    | 0    | 0    |
 |____________|____|____|______|______|______|______|
 |~~~~~~~|~~~~~|~~~~~|~~~~~~|~~~~~~|~~~~~~|~~~~~~|
 |       | packet           | byte               |
 | class | cos | exp | prec | cos  | exp  | prec |
 |-------|-----|-----|------|------|------|------|
 | 0     | 31  | 31  | 31   | 2082 | 2082 | 2082 |
 | 1     | 0   | 0   | 0    | 0    | 0    | 0    |
 | 2     | 0   | 0   | 0    | 0    | 0    | 0    |
 | 3     | 0   | 0   | 0    | 0    | 0    | 0    |
 | 4     | 0   | 0   | 0    | 0    | 0    | 0    |
 | 5     | 0   | 0   | 0    | 0    | 0    | 0    |
 | 6     | 0   | 0   | 0    | 0    | 0    | 0    |
 | 7     | 0   | 0   | 0    | 0    | 0    | 0    |
 |_______|_____|_____|______|______|______|______|
        6464|
        5817|  #
        5171|  #
        4524|  #
        3878|  #
        3232|  #
        2585|# #
        1939|# ##    #
        1292|####    #
         646|####    #
           0|#####   #
         bps|0---------10--------20--------30--------40--------50-------- seconds
           1|
           0|
           0|
           0|
           0|
           0|
           0|
           0|
           0|
           0|
           0|
         bps|0---------10--------20--------30--------40--------50-------- minutes
           1|
           0|
           0|
           0|
           0|
           0|
           0|
           0|
           0|
           0|
           0|
         bps|0---------10--------20--------30--------40--------50-------- hours
r2#
r2#
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r2#
r2#
r2#show ipv4 arp bvi1
r2#show ipv4 arp bvi1
 |~~~~~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~|~~~~~~~~|
 | mac            | address | time     | static |
 |----------------|---------|----------|--------|
 | 0053.2436.0005 | 1.1.1.1 | 00:00:09 | false  |
 |________________|_________|__________|________|
r2#
r2#
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r2#
r2#
r2#show ipv6 neigh bvi1
r2#show ipv6 neigh bvi1
 |~~~~~~~~~~~~~~~~|~~~~~~~~~~~~~~~~~~~~~~~|~~~~~~~~~~|~~~~~~~~|~~~~~~~~|
 | mac            | address               | time     | static | router |
 |----------------|-----------------------|----------|--------|--------|
 | 0053.2436.0005 | 1234::1               | 00:00:09 | false  | false  |
 | 0053.2436.0005 | fe80::253:24ff:fe36:5 | 00:00:09 | false  | false  |
 |________________|_______________________|__________|________|________|
r2#
r2#