here is the bridge:
r2#
r2#
r2#show bridge 1
r2#show bridge 1
 |~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~|~~~~~~|~~~~~~|~~~~~~|
 | interface | forward | physical | tx   | rx   | drop |
 |-----------|---------|----------|------|------|------|
 | bvi       | true    | true     | 0    | 0    | 0    |
 | ethernet1 | true    | true     | 6056 | 5452 | 0    |
 | ethernet2 | true    | true     | 8166 | 7830 | 0    |
 |___________|_________|__________|______|______|______|
 |~~~~~~~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~~|~~~~~~|~~~~~~|~~~~~~|
 | address        | interface | time     | tx   | rx   | drop |
 |----------------|-----------|----------|------|------|------|
 | 0000.0000.4444 | ethernet2 | 00:00:00 | 3770 | 3924 | 0    |
 | 000d.5d22.5731 | ethernet2 | 00:00:03 | 3572 | 3906 | 0    |
 | 001b.4e44.4f1f | ethernet1 | 00:00:00 | 5192 | 5452 | 0    |
 | 0040.3962.7978 | bvi       | 00:00:00 | 5360 | 5912 | 0    |
 |________________|___________|__________|______|______|______|
r2#
r2#
here is the interface:
r2#
r2#
r2#show inter bvi1 full
r2#show inter bvi1 full
bvi1 is up (since 00:00:26, 1 changes)
 description:
 type is bridged, hwaddr=0040.3962.7978, mtu=1500, bw=100mbps, vrf=v1
 ip4 address=1.1.1.2/24, netmask=255.255.255.0, ifcid=10011
 ip6 address=1234::2/16, netmask=ffff::, ifcid=10011
 received 95 packets (6272 bytes) dropped 0 packets (0 bytes)
 transmitted 90 packets (5912 bytes) promisc=false macsec=false
 |~~~~~~~|~~~~|~~~~|~~~~~~|~~~~|~~~~|~~~~~~|
 |       | packet         | byte           |
 | time  | tx | rx | drop | tx | rx | drop |
 |-------|----|----|------|----|----|------|
 | 1sec  | 0  | 0  | 0    | 0  | 0  | 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 | 0800  | ip4     | 42 | 42 | 0    | 2772 | 2772 | 0    |
 | ethtyp | 0806  | arp4    | 3  | 5  | 0    | 90   | 180  | 0    |
 | ethtyp | 86dd  | ip6     | 45 | 48 | 0    | 3050 | 3320 | 0    |
 |________|_______|_________|____|____|______|______|______|______|
 |~~~~~|~~~~|~~~~|
 | who | tx | rx |
 |-----|----|----|
 |_____|____|____|
 |~~~~~~~|~~~~~~|~~~~~~|
 | proto | pack | byte |
 |-------|------|------|
 | 0     | 3    | 90   |
 | 1     | 42   | 2772 |
 | 58    | 45   | 3050 |
 |_______|______|______|
 |~~~~~~~~~~~~|~~~~|~~~~|~~~~~~|~~~~~~|~~~~~~|~~~~~~|
 |            | packet         | byte               |
 | size       | tx | rx | drop | tx   | rx   | drop |
 |------------|----|----|------|------|------|------|
 | 0-255      | 90 | 95 | 0    | 5912 | 6272 | 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     | 90  | 90  | 90   | 5912 | 5912 | 5912 |
 | 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    |
 |_______|_____|_____|______|______|______|______|
         16k|
         14k|  #
         13k|  #
         11k|  #     #
        9859|  #     #
        8216|  #     #
        6572|  #     #
        4929|  #  #  # # #      #    #
        3286|  #  #  #####      ##   #
        1643|  ##### ##### ##   ##   #
           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#
here is the arp:
r2#
r2#
r2#show ipv4 arp bvi1
r2#show ipv4 arp bvi1
 |~~~~~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~|~~~~~~~~|
 | mac            | address | time     | static |
 |----------------|---------|----------|--------|
 | 001b.4e44.4f1f | 1.1.1.1 | 00:00:25 | false  |
 | 000d.5d22.5731 | 1.1.1.3 | 00:00:25 | false  |
 | 0000.0000.4444 | 1.1.1.4 | 00:00:25 | false  |
 |________________|_________|__________|________|
r2#
r2#
here are the neighbors:
r2#
r2#
r2#show ipv6 neigh bvi1
r2#show ipv6 neigh bvi1
 |~~~~~~~~~~~~~~~~|~~~~~~~~~~~~~~~~~~~~~~~~~~|~~~~~~~~~~|~~~~~~~~|~~~~~~~~|
 | mac            | address                  | time     | static | router |
 |----------------|--------------------------|----------|--------|--------|
 | 001b.4e44.4f1f | 1234::1                  | 00:00:25 | false  | false  |
 | 000d.5d22.5731 | 1234::3                  | 00:00:25 | false  | false  |
 | 0000.0000.4444 | 1234::4                  | 00:00:25 | false  | false  |
 | 0000.0000.4444 | fe80::200:ff:fe00:4444   | 00:00:25 | false  | false  |
 | 000d.5d22.5731 | fe80::20d:5dff:fe22:5731 | 00:00:25 | false  | false  |
 | 001b.4e44.4f1f | fe80::21b:4eff:fe44:4f1f | 00:00:25 | false  | false  |
 |________________|__________________________|__________|________|________|
r2#
r2#