Dell S4048T Configuration Manual page 1095

If a downstream interface in an uplink-state group is disabled (Oper Down state) by uplink-state tracking
because an upstream port is down, the message error-disabled[UFD] displays in the output.
• Display the current configuration of all uplink-state groups or a specified group.
EXEC mode or UPLINK-STATE-GROUP mode
(For EXEC mode) show running-config uplink-state-group [group-id]
(For UPLINK-STATE-GROUP mode) show configuration
• group-id: The values are from 1 to 16.
Examples of Viewing UFD Information (S50)
The following example shows viewing the uplink state group status.
Dell# show uplink-state-group
Uplink State Group: 1
Uplink State Group: 3
Uplink State Group: 5
Uplink State Group: 6
Uplink State Group: 7
Uplink State Group: 16 Status: Disabled, Up
Dell# show uplink-state-group 16
Uplink State Group: 16 Status: Disabled, Up
Dell#show uplink-state-group detail
(Up): Interface up (Dwn): Interface down (Dis): Interface disabled
Uplink State Group
Upstream Interfaces
Downstream Interfaces :
Uplink State Group
Upstream Interfaces
Downstream Interfaces : Te 3/1(Up) Te 3/3(Up) Te 3/5(Up) Te 3/6(Up)
Uplink State Group
Upstream Interfaces
Downstream Interfaces : Te 3/2(Dis) Te 3/4(Dis) Te 3/11(Dis) Te 3/12(Dis) Te
3/13(Dis)
Te 3/14(Dis) Te 3/15(Dis)
Uplink State Group
Upstream Interfaces
Downstream Interfaces :
Uplink State Group
Upstream Interfaces
Downstream Interfaces :
Uplink State Group
Upstream Interfaces
Downstream Interfaces : Te 1/10(Dwn)
The following example shows viewing the interface status with UFD information.
Dell#show interfaces tengigabitethernet 1/15
TenGigabitEthernet 1/15 is up, line protocol is down (error-disabled[UFD])
Hardware is Force10Eth, address is 00:01:e8:32:7a:47
Current address is 00:01:e8:32:7a:47
Status: Enabled, Up
Status: Enabled, Up
Status: Enabled, Down
Status: Enabled, Up
Status: Enabled, Up
: 1 Status: Enabled, Up
:
: 3 Status: Enabled, Up
: Te 1/6(Up) Te 1/7(Up)
: 5 Status: Enabled, Down
: Te 1/1(Dwn) Te 1/3(Dwn) Te 1/5(Dwn)
: 6 Status: Enabled, Up
:
: 7 Status: Enabled, Up
:
: 16 Status: Disabled, Up
: Te 1/4(Dwn) Po 8(Dwn)
Uplink Failure Detection (UFD) 1095