Cisco 2911 router interface hangs

Question

dears,
Please note that the LAN interface (GigabitEthernet0/2) on our 2911 router is hanging. the interface stays up/up but is not reachable and stops passing traffic. the issue is temporary resolved after putting the interface in default configuration and reapplying back the configuration.
shut/no shut and router reload does not resolve the issue.
interface GigabitEthernet0/2
 description connected to LAN
 ip address 10.1.184.2 255.255.255.0
 ip nat inside
 ip inspect mea in
 ip virtual-reassembly in
 standby 1 ip 10.1.184.1
 standby 1 priority 110
 standby 1 preempt
 standby 1 track 100 decrement 50
 load-interval 30
 duplex auto
 speed auto
IOS used: c2900-universalk9-mz.SPA.151-4.M8.bin
Please advise.
thank you in advance.

Answer 1

Hi Richard.
Normal interface state.
Gi 0/0 UP
GI 0/1 Admin Down
Gi 0/2 Admin Down
Fast 0/0/0 Up
Fast 0/0/1 Up
The routers works normally , lines ok, and devices attached ok, without any reason, no problems in lines  PtP  , no power problems, lost the connectivity, the only way to restore the connectivity is with a router reset.
The Gi 0/0 connect to the LAN local:
GigabitEthernet0/0 is up, line protocol is up
Hardware is CN Gigabit Ethernet, address is 4c00.827f.3de0 (bia 4c00.827f.3de0)
Description: "LAN LOCAL"
Internet address is
MTU 1500 bytes, BW 100000 Kbit/sec, DLY 100 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation ARPA, loopback not set
Keepalive set (10 sec)
Full Duplex, 100Mbps, media type is RJ45
output flow-control is unsupported, input flow-control is unsupported
ARP type: ARPA, ARP Timeout 04:00:00
Last input 00:00:00, output 00:00:00, output hang never
Last clearing of "show interface" counters never
Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0
Queueing strategy: fifo
Output queue: 0/40 (size/max)
5 minute input rate 564000 bits/sec, 98 packets/sec
5 minute output rate 303000 bits/sec, 75 packets/sec
2120530 packets input, 802569322 bytes, 0 no buffer
Received 19268 broadcasts (0 IP multicasts)
0 runts, 0 giants, 0 throttles
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
0 watchdog, 1277 multicast, 0 pause input
2304826 packets output, 1883365124 bytes, 0 underruns
0 output errors, 0 collisions, 2 interface resets
845 unknown protocol drops
0 babbles, 0 late collision, 0 deferred
1 lost carrier, 0 no carrier, 0 pause output
0 output buffer failures, 0 output buffers swapped out
And the device conected to this interface is a WS-C3750X-24P (with this example, i have the problem in four routers), with a cat5e wired, no problems was reported in the ws-C3750X-24P.
 In my case when the router is reset, recovered the normal operation
More input:
Cisco CISCO2911/K9 (revision 1.0) with 483328K/40960K bytes of memory.
Processor board ID FCZ17397055
4 FastEthernet interfaces
3 Gigabit Ethernet interfaces
1 terminal line
DRAM configuration is 64 bits wide with parity enabled.
255K bytes of non-volatile configuration memory.
250880K bytes of ATA System CompactFlash 0 (Read/Write)
System image file is "flash0:c2900-universalk9-mz.SPA.152-1.T4.bin"
Thanks in advance.
David.