here is the interface:
r1#
r1#
r1#show inter tun1 full
r1#show inter tun1 full
tunnel1 is up (since 00:00:03, 1 changes)
 description:
 type is gre, hwaddr=none, mtu=1476, bw=100mbps, vrf=v1
 ip4 address=2.2.2.1/24, netmask=255.255.255.0, ifcid=10012
 ip6 address=4321::1/16, netmask=ffff::, ifcid=10012
 received 27 packets (2686 bytes) dropped 0 packets (0 bytes)
 transmitted 28 packets (2780 bytes) promisc=false
 |~~~~~~~|~~~~~~|~~~~~~~~~|~~~~~~|~~~~~~|~~~~~~~~~|~~~~~~|
 | time  | send | receive | drop | send | receive | drop |
 |-------|------|---------|------|------|---------|------|
 | 1sec  | 1510 | 1510    | 0    | 15   | 15      | 0    |
 | 1min  | 0    | 0       | 0    | 0    | 0       | 0    |
 | 1hour | 0    | 0       | 0    | 0    | 0       | 0    |
 |_______|______|_________|______|______|_________|______|
 |~~~~~~~~|~~~~~~~|~~~~~~~~~|~~~~~~|~~~~~~|~~~~~~|
 | type   | value | handler | tx   | rx   | drop |
 |--------|-------|---------|------|------|------|
 | ethtyp | 0800  | ip4     | 1410 | 1316 | 0    |
 | ethtyp | 86dd  | ip6     | 1370 | 1370 | 0    |
 |________|_______|_________|______|______|______|
         24k|
         21k|#
         19k|#
         16k|#
         14k|#
         12k|#
        9664|#
        7248|#
        4832|##
        2416|###
           0|###
         bps|0---------10--------20--------30--------40--------50-------- seconds
          30|
          27|#
          24|#
          21|#
          18|#
          15|#
          12|#
           9|#
           6|###
           3|###
           0|###
         pps|0---------10--------20--------30--------40--------50-------- seconds
r1#
r1#