Dell Force10 MXL Blade Configuration Manual page 622

Figure 35-7. Configuring Uplink Failure Detection
FTOS(conf)#uplink-state-group 3
FTOS(conf-uplink-state-group-3)#
00:23:52: %STKUNIT0-M:CP %IFMGR-5-ASTATE_UP: Changed uplink state group Admin state to up:
Group 3
FTOS(conf-uplink-state-group-3)#downstream tengigabitethernet 0/1-2,5,9,11-12
FTOS(conf-uplink-state-group-3)#downstream disable links 2
FTOS(conf-uplink-state-group-3)#upstream tengigabitethernet 0/3-4
FTOS(conf-uplink-state-group-3)#description Testing UFD feature
FTOS(conf-uplink-state-group-3)#show config
!
uplink-state-group 3
description Testing UFD feature
downstream disable links 2
downstream TenGigabitEthernet 0/1-2,5,9,11-12
upstream TenGigabitEthernet 0/3-4
FTOS#show running-config uplink-state-group
!
uplink-state-group 3
description Testing UFD feature
downstream disable links 2
downstream TenGigabitEthernet 0/1-2,5,9,11-12
upstream TenGigabitEthernet 0/3-4
FTOS#show uplink-state-group 3
Uplink State Group: 3
FTOS#show uplink-state-group detail
(Up): Interface up
Uplink State Group
Upstream Interfaces
Downstream Interfaces : Te 0/1(Up) Te 0/2(Up) Te 0/5(Up) Te 0/9(Up) Te 0/11(Up)
< After a single uplink port fails >
FTOS#show uplink-state-group detail
(Up): Interface up
Uplink State Group
Upstream Interfaces
Downstream Interfaces : Te 0/1(Dis) Te 0/2(Dis) Te 0/5(Up) Te 0/9(Up) Te 0/11(Up)
620
| Uplink Failure Detection (UFD)
Status: Enabled, Up
(Dwn): Interface down
: 3 Status: Enabled, Up
: Te 0/3(Up) Te 0/4(Up)
Te 0/12(Up)
(Dwn): Interface down
: 3 Status: Enabled, Up
: Te 0/3(Dwn) Te 0/4(Up)
Te 0/12(Up)
(Dis): Interface disabled
(Dis): Interface disabled