here is the bridge:
r2#
r2#
r2#show bridge 1
r2#show bridge 1
 |~~~~~~~~~~~~~~~~~~~|~~~~~~~~~|~~~~~~|~~~~~~|~~~~~~|
 | interface         | state   | tx   | rx   | drop |
 |-------------------|---------|------|------|------|
 | erspan to 1.1.1.1 | forward | 3270 | 3666 | 0    |
 |___________________|_________|______|______|______|
 |~~~~~~~~~~~~~~~~|~~~~~~~~~~~~~~~~~~~|~~~~~~~~~~|~~~~~~|~~~~~~|~~~~~~|
 | address        | interface         | time     | tx   | rx   | drop |
 |----------------|-------------------|----------|------|------|------|
 | 0005.3610.607b | bvi               | 00:00:00 | 2912 | 3270 | 0    |
 | 0031.6701.7244 | erspan to 1.1.1.1 | 00:00:00 | 3016 | 3270 | 0    |
 |________________|___________________|__________|______|______|______|
r2#
r2#
here is the interface:
r2#
r2#
r2#show inter bvi1 full
r2#show inter bvi1 full
bvi1 is up (since 00:00:06, 1 changes)
 description:
 type is bridged, hwaddr=0005.3610.607b, 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 33 packets (3270 bytes) dropped 0 packets (0 bytes)
 transmitted 33 packets (3270 bytes) promisc=false
 |~~~~~~~|~~~~~~|~~~~~~~~~|~~~~~~|~~~~~~|~~~~~~~~~|~~~~~~|
 | time  | send | receive | drop | send | receive | drop |
 |-------|------|---------|------|------|---------|------|
 | 1sec  | 1140 | 1140    | 0    | 10   | 10      | 0    |
 | 1min  | 0    | 0       | 0    | 0    | 0       | 0    |
 | 1hour | 0    | 0       | 0    | 0    | 0       | 0    |
 |_______|______|_________|______|______|_________|______|
 |~~~~~~~~|~~~~~~~|~~~~~~~~~|~~~~~~|~~~~~~|~~~~~~|
 | type   | value | handler | tx   | rx   | drop |
 |--------|-------|---------|------|------|------|
 | ethtyp | 0800  | ip4     | 1316 | 1316 | 0    |
 | ethtyp | 0806  | arp4    | 30   | 30   | 0    |
 | ethtyp | 86dd  | ip6     | 1924 | 1924 | 0    |
 |________|_______|_________|______|______|______|
         18k|
         16k|#
         14k|# #
         12k|# #
         10k|# #
        9120|# #
        7296|# #
        5472|####
        3648|#### #
        1824|#### #
           0|######
         bps|0---------10--------20--------30--------40--------50-------- seconds
          22|
          19|# #
          17|# #
          15|# #
          13|# #
          11|# #
           8|# #
           6|####
           4|#### #
           2|#### #
           0|######
         pps|0---------10--------20--------30--------40--------50-------- seconds
r2#
r2#
here is the arp:
r2#
r2#
r2#show ipv4 arp bvi1
r2#show ipv4 arp bvi1
 |~~~~~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~|
 | mac            | address | time     |
 |----------------|---------|----------|
 | 0031.6701.7244 | 2.2.2.1 | 00:00:06 |
 |________________|_________|__________|
r2#
r2#
here are the neighbors:
r2#
r2#
r2#show ipv6 neigh bvi1
r2#show ipv6 neigh bvi1
 |~~~~~~~~~~~~~~~~|~~~~~~~~~~~~~~~~~~~~~~~~~~|~~~~~~~~~~|
 | mac            | address                  | time     |
 |----------------|--------------------------|----------|
 | 0031.6701.7244 | 4321::1                  | 00:00:06 |
 | 0031.6701.7244 | fe80::231:67ff:fe01:7244 | 00:00:06 |
 |________________|__________________________|__________|
r2#
r2#