ASBR(config)#monitor session 1 type ?
  erspan-destination  Encapsulated RSPAN Destination Session
  erspan-source       Encapsulated RSPAN Source Session
  local               Local SPAN Session
  local-tx            Local SPAN Session TX only
  rspan-destination   RSPAN Destination Session
  rspan-source        RSPAN Source Session

monitor session 1 type local
 source interface Gi0/0/0 rx
 destination interface Gi0/0/4

ASR#sh monitor session 1 detail
Session 1
---------
Type                   : Local Session
Status                 : Admin Enabled
Description            : -
Source Ports           :
    RX Only            : Gi0/0/0
    TX Only            : None
    Both               : None
Source VLANs           :
    RX Only            : None
    TX Only            : None
    Both               : None
Source EFPs            :
    RX Only            : None
    TX Only            : None
    Both               : None
Destination Ports      : Gi0/0/4
Filter VLANs           : None
Source IP Address      : None
Source IP VRF          : None
Source ERSPAN ID       : None
Destination IP Address : None
Destination IP VRF     : None
Destination ERSPAN ID  : None
Origin IP Address      : None
IP QOS PREC            : 0
IP TTL                 : 255

ASR#sh int g0/0/4
GigabitEthernet0/0/4 is up, line protocol is up (monitoring)
  Hardware is SPA-5X1GE-V2, address is 7081.055a.0d04 (bia 7081.055a.0d04)
  Description:
  Internet address is
  MTU 1500 bytes, BW 1000000 Kbit/sec, DLY 10 usec,
     reliability 255/255, txload 1/255, rxload 1/255
  Encapsulation ARPA, loopback not set
  Keepalive not supported
  Full Duplex, 1000Mbps, link type is auto, media type is T
  output flow-control is on, input flow-control is on
  ARP type: ARPA, ARP Timeout 04:00:00
  Last input 00:01:19, output 00:01:19, output hang never
  Last clearing of "show interface" counters 00:08:07
  Input queue: 0/375/0/0 (size/max/drops/flushes); Total output drops: 0
  Queueing strategy: fifo
  Output queue: 0/40 (size/max)
  5 minute input rate 0 bits/sec, 0 packets/sec
  5 minute output rate 0 bits/sec, 0 packets/sec
     53 packets input, 3488 bytes, 0 no buffer
     Received 14 broadcasts (0 IP multicasts)
     0 runts, 0 giants, 0 throttles
     0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
     0 watchdog, 0 multicast, 0 pause input
     21 packets output, 1292 bytes, 0 underruns
     0 output errors, 0 collisions, 0 interface resets
     0 unknown protocol drops
     0 babbles, 0 late collision, 0 deferred
     0 lost carrier, 0 no carrier, 0 pause output
     0 output buffer failures, 0 output buffers swapped out

ASR#sh int g0/0/0
GigabitEthernet0/0/0 is up, line protocol is up
  Hardware is SPA-5X1GE-V2, address is 7081.055a.0d00 (bia 7081.055a.0d00)
  Description:
  Internet address is
  MTU 1500 bytes, BW 1000000 Kbit/sec, DLY 10 usec,
     reliability 255/255, txload 255/255, rxload 139/255
  Encapsulation ARPA, loopback not set
  Keepalive not supported
  Full Duplex, 1000Mbps, link type is auto, media type is LX
  output flow-control is on, input flow-control is on
  ARP type: ARPA, ARP Timeout 04:00:00
  Last input 00:00:01, output 02:38:20, output hang never
  Last clearing of "show interface" counters never
  Input queue: 0/375/0/0 (size/max/drops/flushes); Total output drops: 33312
  Queueing strategy: fifo
  Output queue: 0/40 (size/max)
  5 minute input rate 547851000 bits/sec, 74875 packets/sec
  5 minute output rate 129470000 bits/sec, 54393 packets/sec
     445458695965 packets input, 401116529882110 bytes, 0 no buffer
     Received 12 broadcasts (0 IP multicasts)
     0 runts, 0 giants, 0 throttles
     0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
     0 watchdog, 7003899 multicast, 616 pause input
     506987045712 packets output, 185234388229831 bytes, 0 underruns
     0 output errors, 0 collisions, 2 interface resets
     0 unknown protocol drops
     0 babbles, 0 late collision, 0 deferred
     0 lost carrier, 0 no carrier, 0 pause output
     0 output buffer failures, 0 output buffers swapped out