Administrator Guide

Table Of Contents
Internet address is not set
MTU 1554 bytes, IP MTU 1500 bytes
LineSpeed 1000 Mbit, Mode auto
Flowcontrol rx off tx off
ARP type: ARPA, ARP Timeout 04:00:00
Last clearing of "show interface" counters 00:25:46
Queueing strategy: fifo
Input Statistics:
0 packets, 0 bytes
0 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
0 Multicasts, 0 Broadcasts
0 runts, 0 giants, 0 throttles
0 CRC, 0 overrun, 0 discarded
Output Statistics:
0 packets, 0 bytes, 0 underruns
0 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
0 Multicasts, 0 Broadcasts, 0 Unicasts
0 throttles, 0 discarded, 0 collisions
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: 00:01:23
The following example shows viewing the UFD configuration.
DellEMC(conf-uplink-state-group-16)# show configuration
!
uplink-state-group 16
no enable
description test
downstream disable links all
downstream TenGigabitEthernet 1/21/1
upstream TenGigabitEthernet 1/22/1
upstream Port-channel 8
Sample Configuration: Uplink Failure Detection
The following example shows a sample configuration of UFD on a switch/router in which you configure as follows.
Configure uplink-state group 3.
Configure two downstream links to be disabled if an upstream link fails.
Add upstream links Tengigabitethernet 1/3/1 and 1/4/1.
Add a text description for the group.
Verify the configuration with various show commands.
Example of Configuring UFD
DellEMC(conf)# uplink-state-group 3
00:08:11: %STKUNIT0-M:CP %IFMGR-5-ASTATE_UP: Changed uplink state group Admin state to
up:
Group 3
DellEMC(conf-uplink-state-group-3)# downstream tengigabitethernet 1/1-2,5,9,11-12/1
DellEMC(conf-uplink-state-group-3)# downstream disable links 2
DellEMC(conf-uplink-state-group-3)# upstream tengigabitethernet 1/3-4/1
00:10:00: %STKUNIT0-M:CP %IFMGR-5-OSTATE_DN: Downstream interface set to UFD error-
disabled:
Te 1/1/1
DellEMC#
00:10:00: %STKUNIT0-M:CP %IFMGR-5-OSTATE_DN: Changed interface state to down: Te 1/1/1
DellEMC(conf-uplink-state-group-3)# description Testing UFD feature
DellEMC(conf-uplink-state-group-3)# show config
!
uplink-state-group 3
description Testing UFD feature
downstream disable links 2
924
Uplink Failure Detection (UFD)