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    |
 | erspan to 1.1.1.1 | true    | false    | 2206 | 2516 | 0    |
 |___________________|_________|__________|______|______|______|
 |~~~~~~~~~~~~~~~~|~~~~~~~~~~~~~~~~~~~|~~~~~~~~~~|~~~~~~|~~~~~~|~~~~~~|
 | address        | interface         | time     | tx   | rx   | drop |
 |----------------|-------------------|----------|------|------|------|
 | 0042.772b.5675 | erspan to 1.1.1.1 | 00:00:00 | 1952 | 2132 | 0    |
 | 0054.4f76.1104 | bvi               | 00:00:00 | 1848 | 2206 | 0    |
 |________________|___________________|__________|______|______|______|
r2#
r2#
here is the interface:
r2#
r2#
r2#show inter bvi1 full
r2#show inter bvi1 full
bvi1 is up (since 00:00:07, 1 changes)
 description:
 type is bridged, hwaddr=0054.4f76.1104, mtu=1400, bw=10mbps, vrf=v1
 ip4 address=2.2.2.2/24, netmask=255.255.255.0, ifcid=10012
 ip6 address=4321::2/16, netmask=ffff::, ifcid=10012
 received 32 packets (2132 bytes) dropped 0 packets (0 bytes)
 transmitted 33 packets (2206 bytes) promisc=false macsec=false
 |~~~~~~~|~~~~|~~~~|~~~~~~|~~~~~|~~~~~|~~~~~~|
 |       | packet         | byte             |
 | time  | tx | rx | drop | tx  | rx  | drop |
 |-------|----|----|------|-----|-----|------|
 | 1sec  | 4  | 4  | 0    | 264 | 264 | 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     | 14 | 14 | 0    | 924  | 924  | 0    |
 | ethtyp | 0806  | arp4    | 1  | 1  | 0    | 30   | 30   | 0    |
 | ethtyp | 86dd  | ip6     | 18 | 17 | 0    | 1252 | 1178 | 0    |
 |________|_______|_________|____|____|______|______|______|______|
 |~~~~~|~~~~|~~~~|
 | who | tx | rx |
 |-----|----|----|
 |_____|____|____|
 |~~~~~~~|~~~~~~|~~~~~~|
 | proto | pack | byte |
 |-------|------|------|
 | 0     | 1    | 30   |
 | 1     | 14   | 924  |
 | 58    | 18   | 1252 |
 |_______|______|______|
 |~~~~~~~~~~~~|~~~~|~~~~|~~~~~~|~~~~~~|~~~~~~|~~~~~~|
 |            | packet         | byte               |
 | size       | tx | rx | drop | tx   | rx   | drop |
 |------------|----|----|------|------|------|------|
 | 0-255      | 33 | 32 | 0    | 2206 | 2132 | 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     | 33  | 33  | 33   | 2206 | 2206 | 2206 |
 | 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    |
 |_______|_____|_____|______|______|______|______|
         11k|
         10k| #
        9395| #
        8220| #
        7046| #
        5872| #
        4697| #
        3523|###
        2348|###  #
        1174|###  #
           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 |
 |----------------|---------|----------|--------|
 | 0042.772b.5675 | 2.2.2.1 | 00:00:06 | false  |
 |________________|_________|__________|________|
r2#
r2#
here are the neighbors:
r2#
r2#
r2#show ipv6 neigh bvi1
r2#show ipv6 neigh bvi1
 |~~~~~~~~~~~~~~~~|~~~~~~~~~~~~~~~~~~~~~~~~~~|~~~~~~~~~~|~~~~~~~~|~~~~~~~~|
 | mac            | address                  | time     | static | router |
 |----------------|--------------------------|----------|--------|--------|
 | 0042.772b.5675 | 4321::1                  | 00:00:06 | false  | false  |
 | 0042.772b.5675 | fe80::242:77ff:fe2b:5675 | 00:00:06 | false  | false  |
 |________________|__________________________|__________|________|________|
r2#
r2#