Problem linking M1000e MXL to S4810P

So we have had an M1000e with a MXL switch and a Dell S4810P switch for a good while and it was setup by a previous employee. It seems that the running config was not copied over the startup config so when the power went down longer than our UPSs, the connection between the two switches stopped working.

They are connected via 40Gbe and Dell-cable. No problem running it so far.

We have a very simple setup, both switches are in the same rack. We don't use VLAN, or have any special security set up. This is a closed network for our local servers. I have tested with two different cables.

If someone can look at the setup and help me get this up and running again it would be much appreciated.

I have connected both ports of the MXL to the S4810p switch, and here is the output of the configs:

MXL config 1:

fortyGigE 0/33 is up, line protocol is up
Hardware is DellEth, address is f8:b1:56:1d:5a:43
    Current address is f8:b1:56:1d:5a:43
Pluggable media present, QSFP type is 40GBASE-SR4
    Wavelength is 850nm
    No power
Interface index is 1052677
Internet address is not set
Mode of IPv4 Address Assignment : NONE
DHCP Client-ID :f8b1561d5a43
MTU 1554 bytes, IP MTU 1500 bytes
LineSpeed 40000 Mbit
Flowcontrol rx off tx off
ARP type: ARPA, ARP Timeout 04:00:00
Last clearing of "show interface" counters 01:45:09
Queueing strategy: fifo
Input Statistics:
     13830 packets, 3047140 bytes
     1509 64-byte pkts, 2874 over 64-byte pkts, 6524 over 127-byte pkts
     2306 over 255-byte pkts, 288 over 511-byte pkts, 329 over 1023-byte pkts
     9192 Multicasts, 4478 Broadcasts, 160 Unicasts
     0 runts, 0 giants, 0 throttles
     0 CRC, 0 overrun, 0 discarded
Output Statistics:
     2996 packets, 659806 bytes, 0 underruns
     0 64-byte pkts, 1558 over 64-byte pkts, 0 over 127-byte pkts
     1438 over 255-byte pkts, 0 over 511-byte pkts, 0 over 1023-byte pkts
     1558 Multicasts, 1438 Broadcasts, 0 Unicasts
     0 throttles, 0 discarded, 0 collisions, 0 wreddrops
Rate info (interval 299 seconds):
     Input 00.00 Mbits/sec,          2 packets/sec, 0.00% of line-rate
     Output 00.00 Mbits/sec,          0 packets/sec, 0.00% of line-rate
Time since last interface status change: 01:43:54

MXL config 2:

fortyGigE 0/37 is up, line protocol is up
Hardware is DellEth, address is f8:b1:56:1d:5a:43
    Current address is f8:b1:56:1d:5a:43
Pluggable media present, QSFP type is 40GBASE-SR4
    Wavelength is 850nm
    No power
Interface index is 1053189
Internet address is not set
Mode of IPv4 Address Assignment : NONE
DHCP Client-ID :f8b1561d5a43
MTU 1554 bytes, IP MTU 1500 bytes
LineSpeed 40000 Mbit
Flowcontrol rx off tx off
ARP type: ARPA, ARP Timeout 04:00:00
Last clearing of "show interface" counters 01:59:29
Queueing strategy: fifo
Input Statistics:
     230 packets, 14720 bytes
     230 64-byte pkts, 0 over 64-byte pkts, 0 over 127-byte pkts
     0 over 255-byte pkts, 0 over 511-byte pkts, 0 over 1023-byte pkts
     230 Multicasts, 0 Broadcasts, 0 Unicasts
     0 runts, 0 giants, 0 throttles
     0 CRC, 0 overrun, 0 discarded
Output Statistics:
     19023 packets, 4250061 bytes, 0 underruns
     1468 64-byte pkts, 5026 over 64-byte pkts, 7402 over 127-byte pkts
     4423 over 255-byte pkts, 328 over 511-byte pkts, 376 over 1023-byte pkts
     12040 Multicasts, 6770 Broadcasts, 213 Unicasts
     0 throttles, 0 discarded, 0 collisions, 0 wreddrops
Rate info (interval 299 seconds):
     Input 00.00 Mbits/sec,          0 packets/sec, 0.00% of line-rate
     Output 00.00 Mbits/sec,          3 packets/sec, 0.00% of line-rate
Time since last interface status change: 01:58:14

S4810p config1:

fortyGigE 0/52 is up, line protocol is up
Hardware is DellEth, address is 00:01:e8:8b:63:f1
    Current address is 00:01:e8:8b:63:f1
Pluggable media present, QSFP type is 40GBASE-SR4
    Wavelength is 850nm
Interface index is 1055237
Internet address is not set
Mode of IPv4 Address Assignment : NONE
DHCP Client-ID :0001e88b63f1
MTU 1554 bytes, IP MTU 1500 bytes
LineSpeed 40000 Mbit
Flowcontrol rx on tx off
ARP type: ARPA, ARP Timeout 04:00:00
Last clearing of "show interface" counters 41w2d0h
Queueing strategy: fifo
Input Statistics:
     6223803 packets, 648826014 bytes
     0 64-byte pkts, 6221992 over 64-byte pkts, 0 over 127-byte pkts
     1811 over 255-byte pkts, 0 over 511-byte pkts, 0 over 1023-byte pkts
     6221992 Multicasts, 1811 Broadcasts, 0 Unicasts
     0 runts, 0 giants, 0 throttles
     0 CRC, 0 overrun, 0 discarded
Output Statistics:
     22123554 packets, 3995772693 bytes, 0 underruns
     3119711 64-byte pkts, 2887928 over 64-byte pkts, 14919533 over 127-byte pkts
     1045948 over 255-byte pkts, 115089 over 511-byte pkts, 35345 over 1023-byte pkts
     12859914 Multicasts, 9250139 Broadcasts, 13501 Unicasts
     0 throttles, 0 discarded, 0 collisions, 0 wreddrops
Rate info (interval 299 seconds):
     Input 00.00 Mbits/sec,          1 packets/sec, 0.00% of line-rate
     Output 00.00 Mbits/sec,          3 packets/sec, 0.00% of line-rate
Time since last interface status change: 01:16:17

S4810p config 2: 

fortyGigE 0/60 is up, line protocol is up
Hardware is DellEth, address is 00:01:e8:8b:63:f1
    Current address is 00:01:e8:8b:63:f1
Pluggable media present, QSFP type is 40GBASE-SR4
    Wavelength is 850nm
Interface index is 1056261
Internet address is not set
Mode of IPv4 Address Assignment : NONE
DHCP Client-ID :0001e88b63f1
MTU 1554 bytes, IP MTU 1500 bytes
LineSpeed 40000 Mbit
Flowcontrol rx on tx on
ARP type: ARPA, ARP Timeout 04:00:00
Last clearing of "show interface" counters 41w2d0h
Queueing strategy: fifo
Input Statistics:
     6245584 packets, 652694146 bytes
     2725 64-byte pkts, 6229598 over 64-byte pkts, 8116 over 127-byte pkts
     4668 over 255-byte pkts, 160 over 511-byte pkts, 317 over 1023-byte pkts
     6236855 Multicasts, 8571 Broadcasts, 158 Unicasts
     0 runts, 0 giants, 0 throttles
     0 CRC, 0 overrun, 0 discarded
Output Statistics:
     802409 packets, 51354176 bytes, 0 underruns
     802409 64-byte pkts, 0 over 64-byte pkts, 0 over 127-byte pkts
     0 over 255-byte pkts, 0 over 511-byte pkts, 0 over 1023-byte pkts
     802409 Multicasts, 0 Broadcasts, 0 Unicasts
     0 throttles, 0 discarded, 0 collisions, 0 wreddrops
Rate info (interval 299 seconds):
     Input 00.00 Mbits/sec,          3 packets/sec, 0.00% of line-rate
     Output 00.00 Mbits/sec,          0 packets/sec, 0.00% of line-rate
Time since last interface status change: 01:16:37