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Dell_VLTpeer2(conf-vlt-domain)#back-up destination 10.11.206.23
Dell_VLTpeer2(conf-vlt-domain)#exit
Configure the backup link.
Dell_VLTpeer2(conf)#interface ManagementEthernet 1/1
Dell_VLTpeer2(conf-if-ma-1/1)#ip address 10.11.206.35/
Dell_VLTpeer2(conf-if-ma-1/1)#no shutdown
Dell_VLTpeer2(conf-if-ma-1/1)#exit
Configure the VLT interconnect (VLTi).
Dell_VLTpeer2(conf)#interface port-channel 100
Dell_VLTpeer2(conf-if-po-100)#no ip address
Dell_VLTpeer2(conf-if-po-100)#channel-member fortyGigE 1/9,10
Dell_VLTpeer2(conf-if-po-100)#no shutdown
Dell_VLTpeer2(conf-if-po-100)#exit
Configure the port channel to an attached device.
Dell_VLTpeer2(conf)#interface port-channel 110
Dell_VLTpeer2(conf-if-po-110)#no ip address
Dell_VLTpeer2(conf-if-po-110)#switchport
Dell_VLTpeer2(conf-if-po-110)#channel-member fortyGigE 1/12
Dell_VLTpeer2(conf-if-po-110)#no shutdown
Dell_VLTpeer2(conf-if-po-110)#vlt-peer-lag port-channel 110
Dell_VLTpeer2(conf-if-po-110)#end
Verify that the port channels used in the VLT domain are assigned to the same VLAN.
Dell_VLTpeer2# show vlan id 10
Codes: * - Default VLAN, G - GVRP VLANs, P - Primary, C - Community, I - Isolated
Q: U - Untagged, T - Tagged
x - Dot1x untagged, X - Dot1x tagged
G - GVRP tagged, M - Vlan-stack, H - Hyperpull tagged
NUM Status Description Q Ports
10 Active U Po110(Fo 1/12)
T Po100(Fo 1/9,10)
Verifying a Port-Channel Connection to a VLT Domain (From an Attached Access Switch)
On an access device, verify the port-channel connection to a VLT domain.
Dell_TORswitch(conf)# show running-config interface port-channel 11
!
interface Port-channel 11
no ip address
switchport
channel-member fortyGigE 1/5,6
no shutdown
Troubleshooting VLT
To help troubleshoot different VLT issues that may occur, use the following information.
NOTE: For information on VLT Failure mode timing and its impact, contact your Dell EMC Networking representative.
Table 142. Troubleshooting VLT
Description Behavior at Peer Up Behavior During Run Time Action to Take
Bandwidth monitoring A syslog error message and
an SNMP trap is generated
when the VLTi bandwidth
usage goes above the 80%
A syslog error message and an
SNMP trap is generated when
the VLTi bandwidth usage
goes above its threshold.
Depending on the traffic that
is received, the traffic can be
offloaded inVLTi.
978 Virtual Link Trunking (VLT)