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Dell PowerEdge FN I/O Module Configuration Guide 9.10(0.0)

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Configuration Examples

Following are the configuration examples for common upstream switches. To establish a functional uplink and bring the network ports on PowerEdge FC-Series servers up (FC830, FC630, FC430, FC 620, and FC420) use the following steps:

  1. Ensure that the FN IOM system is in Standalone Mode.
  2. Create a LACP LAG on the upstream top of rack switch.
  3. Verify the connection.

By default the network ports on the PowerEdge FC-Series servers installed in the FX2 chassis is down, until the uplink port channel is operational on the FN IOM system. It is due to an Uplink Failure Detection, by that when upstream connectivity fails; the FN IOM disables the downstream links.

You can disable the UFD on a preconfigured FN IOM using the following commands:
Dell#configure
                                 Dell(conf)#uplink-state-group 1
                                 Dell(conf-uplink-state-group-1)#no enable
                                 
                                 Dell#show uplink-state-group
                                 Uplink State Group: 1   Status: Disabled, Down
                                 
                              
To re-enable UFD, use the following commands:
Dell#configure
                                 Dell(conf)#uplink-state-group 1
                                 Dell(conf-uplink-state-group-1)#enable
                                 
                                 Dell#show uplink-state-group
                                 Uplink State Group: 1   Status: Enabled, Up
                                 
                              

Sample FN IOM commands and outputs

In the following, port channel 128 is up. The port channel consists of ports TenGigabitEthernet 0/11 and TenGigabitEthernet 0/12.
Dell#show interfaces port-channel 128
                                 Port-channel 128 is up, line protocol is up
                                 Created by LACP protocol
                                 Hardware address is f8:b1:56:6e:fc:59, Current address is f8:b1:56:6e:fc:59
                                 Interface index is 1258356736
                                 Minimum number of links to bring Port-channel up is 1
                                 Internet address is not set
                                 Mode of IPv4 Address Assignment : NONE
                                 DHCP Client-ID :f8b1566efc59
                                 MTU 12000 bytes, IP MTU 11982 bytes
                                 LineSpeed 20000 Mbit
                                 Members in this channel:  Te 0/11(U) Te 0/12(U)
                                 ARP type: ARPA, ARP Timeout 04:00:00
                                 Queueing strategy: fifo
                                 Input Statistics:
                                 194 packets, 26975 bytes
                                 40 64-byte pkts, 47 over 64-byte pkts, 83 over 127-byte pkts
                                 24 over 255-byte pkts, 0 over 511-byte pkts, 0 over 1023-byte pkts
                                 160 Multicasts, 34 Broadcasts, 0 Unicasts
                                 0 runts, 0 giants, 0 throttles
                                 0 CRC, 0 overrun, 0 discarded
                                 Output Statistics:
                                 1619 packets, 212604 bytes, 0 underruns
                                 0 64-byte pkts, 201 over 64-byte pkts, 1376 over 127-byte pkts
                                 42 over 255-byte pkts, 0 over 511-byte pkts, 0 over 1023-byte pkts
                                 1531 Multicasts, 88 Broadcasts, 0 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,          1 packets/sec, 0.00% of line-rate
                                 Time since last interface status change: 00:13:45
                                 
                              
In the following, port channel 128 is down. As a result, the downstream ports (TenGigabitEthernet 0/1 – 8) are disabled by UFD.
Dell#show interfaces tengigabitethernet 0/1
                                 TenGigabitEthernet 0/1 is up, line protocol is down(error-disabled[UFD])
                                 Hardware is DellEth, address is f8:b1:56:6e:fc:59
                                 Current address is f8:b1:56:6e:fc:59
                                 Server Port AdminState is N/A
                                 Pluggable media not present
                                 Interface index is 1048580
                                 Internet address is not set
                                 Mode of IPv4 Address Assignment : NONE
                                 DHCP Client-ID :f8b1566efc59
                                 MTU 12000 bytes, IP MTU 11982 bytes
                                 LineSpeed auto
                                 Flowcontrol rx off tx off
                                 ARP type: ARPA, ARP Timeout 04:00:00
                                 Last clearing of "show interface" counters 01:26:42
                                 Queueing strategy: fifo
                                 Input Statistics:
                                 941 packets, 98777 bytes
                                 83 64-byte pkts, 591 over 64-byte pkts, 267 over 127-byte pkts
                                 0 over 255-byte pkts, 0 over 511-byte pkts, 0 over 1023-byte pkts
                                 694 Multicasts, 247 Broadcasts, 0 Unicasts
                                 0 runts, 0 giants, 0 throttles
                                 0 CRC, 0 overrun, 0 discarded
                                 Output Statistics:
                                 1474 packets, 238933 bytes, 0 underruns
                                 0 64-byte pkts, 204 over 64-byte pkts, 1071 over 127-byte pkts
                                 175 over 255-byte pkts, 24 over 511-byte pkts, 0 over 1023-byte pkts
                                 1198 Multicasts, 276 Broadcasts, 0 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,          0 packets/sec, 0.00% of line-rate
                                 Time since last interface status change: 00:00:17
                                 
                              

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