Hi Team,
We are using Cisco 4431 ISR, one of the interface connected to ISP shows media type as unknown. The media type is force to sfp. The show inventory does not show the transceiver. We are running IOS-XE, Everest 16.6.3
ABC#sh int gi0/0/1
GigabitEthernet0/0/1 is up, line protocol is up
Hardware is ISR4431-X-4x1GE, address is 0462.73a5.c411 (bia 0462.73a5.c411)
Description: Outside
Internet address is X.X.X.X/30
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 unknown media type
output flow-control is off, input flow-control is off
ARP type: ARPA, ARP Timeout 04:00:00
Last input 03:19:42, output 00:07:30, output hang never
Last clearing of "show interface" counters never
Input queue: 0/375/143/1525 (size/max/drops/flushes); Total output drops: 9557
Queueing strategy: fifo
Output queue: 0/40 (size/max)
30 second input rate 1598000 bits/sec, 583 packets/sec
30 second output rate 7644000 bits/sec, 856 packets/sec
7460631730 packets input, 7075450881145 bytes, 0 no buffer
Received 78 broadcasts (0 IP multicasts)
0 runts, 0 giants, 0 throttles
47218 input errors, 0 CRC, 0 frame, 47218 overrun, 0 ignored
0 watchdog, 0 multicast, 0 pause input
6901882707 packets output, 6275652430186 bytes, 0 underruns
0 output errors, 0 collisions, 1 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
ABC#
ABC#sh inv
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
INFO: Please use "show license UDI" to get serial number for licensing.
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
NAME: "Chassis", DESCR: "Cisco ISR4431 Chassis"
PID: ISR4431/K9 , VID: V01 , SN: FJC1940D09G
NAME: "Power Supply Module 0", DESCR: "250W AC Power Supply for Cisco ISR4430"
PID: PWR-4430-AC , VID: V01 , SN: LIT19280JWE
NAME: "Fan Tray", DESCR: "Cisco ISR4430 Fan Assembly"
PID: ACS-4430-FANASSY , VID: , SN:
NAME: "module 0", DESCR: "Cisco ISR4431 Built-In NIM controller"
PID: ISR4431/K9 , VID: , SN:
NAME: "NIM subslot 0/0", DESCR: "Front Panel 4 ports Gigabitethernet Module"
PID: ISR4431-X-4x1GE , VID: V01 , SN:
NAME: "module R0", DESCR: "Cisco ISR4431 Route Processor"
PID: ISR4431/K9 , VID: V01 , SN: FOC19345380
NAME: "module F0", DESCR: "Cisco ISR4431 Forwarding Processor"
PID: ISR4431/K9 , VID: , SN:
ABC#
