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VLT validation commands

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8.2 VLT validation commands 8.2.1 8.2.2 8.2.3 show vlt domain_id VLT configuration is verified by running the show vlt domain_id command on each of the leaf switches. The Role of one switch in the VLT pair is primary, and its peer switch (not shown) is assigned the secondary role. The VLTi link status and VLT Peer Status must both be up. Leaf1a# show vlt 127 Domain ID : 127 Unit ID : 2 Role : primary Version : 2.3 Local System MAC address : 3c:2c:30:10:36:00 Role priority : 32768 VLT MAC address : 00:00:01:02:03:01 IP address : fda5:74c8:b79e:1::2 Delay-Restore timer : 120 seconds Peer-Routing : Disabled Peer-Routing-Timeout timer : 0 seconds VLTi Link Status port-channel1000 : up VLT Peer Unit ID System MAC Address Status IP Address Version 1 3c:2c:30:10:41:00 up fda5:74c8:b79e:1::1 2.3 show vlt domain_id backup-link This command is used to verify VLT peers are communicating on the backup link over the OOB management network. The Destination is the management IP address of the peer. The Peer HeartBeat status must be Up. Leaf1a# show vlt 127 backup-link VLT Backup Link Destination : 100.67.166.220 Peer Heartbeat status : Up Heartbeat interval : 30 Heartbeat timeout : 90 Destination VRF : default show vlt domain_id mismatch This command highlights configuration issues between VLT peers. Mismatch examples include incompatible VLT configuration settings and VLAN differences. Any mismatches reported should be resolved before proceeding. S5248F-Leaf1A# show vlt 127 mismatch VLT-MAC mismatch: No mismatch Peer-routing mismatch: No mismatch VLAN mismatch: 39 Dell EMC Networking Virtualization Overlay with BGP EVPN

Section	Page
1 Introduction	6
1.1 Typographical conventions	6
1.2 Attachments	6
2 Hardware Overview	7
2.1 Dell EMC PowerSwitch S5248F-ON	7
2.2 Dell EMC PowerSwitch S4148U-ON	7
2.3 Dell EMC PowerSwitch Z9264F-ON	8
2.4 Dell EMC PowerSwitch S3048-ON	8
2.5 Dell EMC PowerEdge R740xd server	8
3 BGP EVPN VXLAN overview	9
3.1 The VXLAN protocol	10
3.2 BGP EVPN VXLAN operation	11
3.3 Integrated routing and bridging (IRB)	11
3.4 Anycast gateway	11
3.5 Indirect gateway	11
4 Topology	12
4.1 Leaf-spine underlay	12
4.1.1 BGP ASNs and router IDs	13
4.1.2 Point-to-point IP networks	13
4.2 Underlay network connections	15
4.3 BGP EVPN VXLAN overlay	16
4.4 OOB management network connections	17
5 Switch preparation	19
5.1 Check switch OS version	19
5.2 Verify license installation	19
5.3 Factory default configuration	20
5.4 Configure switch port profile (S4148U-ON only)	20
6 Configure leaf switches	21
6.1 Initial configuration settings	21
6.2 VLT configuration	22
6.3 Virtual network configuration	22
6.4 VLAN configuration	24
6.5 Downstream interface configuration	25
6.6 Upstream interface configuration	26
6.7 Route map configuration	26
6.8 Configure UFD in reverse	27
6.9 BGP configuration	28
6.10 Static route configuration	30
7 Configure spine switches	31
7.1 Initial configuration settings	31
7.2 Downstream interface configuration	31
7.3 Route map configuration	33
7.4 BGP configuration	33
8 Leaf switch validation	37
8.1 General commands	37
8.1.1 show interface status	37
8.1.2 show vlan	37
8.1.3 show lldp neighbors	38
8.1.4 show uplink-state-group id_# detail	38
8.2 VLT validation commands	39
8.2.1 show vlt domain_id	39
8.2.2 show vlt domain_id backup-link	39
8.2.3 show vlt domain_id mismatch	39
8.2.4 show vlt domain_id vlt-port-detail	40
8.3 Routing validation commands	41
8.3.1 show bfd neighbors	41
8.3.2 show ip route	41
8.3.3 show ip bgp summary	42
8.4 EVPN validation commands	42
8.4.1 show ip route vrf vrf_name	42
8.4.2 show evpn evi	42
8.4.3 show ip bgp l2vpn evpn summary	43
8.4.4 show ip bgp l2vpn evpn	43
8.4.5 show evpn mac-ip	45
9 Spine switch validation	46
9.1 General commands	46
9.1.1 show interface status	46
9.1.2 show lldp neighbors	46
9.2 Routing validation commands	47
9.2.1 show bfd neighbors	47
9.2.2 show ip route	47
9.2.3 show ip bgp summary	48
9.2.4 show ip bgp l2vpn evpn summary	48
10 VMware host and network configuration	49
10.1 VMware ESXi download and installation	49
10.2 Install and configure VMware vCenter Server 6.7 U1	49
10.3 Add ESXi hosts to vCenter Server	49
10.4 Create VMs and install guest operating systems	50
10.5 vSphere distributed switches	51
10.6 Create a VDS	51
10.7 Add distributed port groups	52
10.8 Create LACP LAGs	52
10.9 Associate hosts and assign uplinks to LAGs	54
10.10 Connect VMs to VDS and port group	56
10.11 Configure networking in the guest OS	57
11 Validate connectivity	58
11.1 Validate tunneled Layer 2 bridging	58
11.2 Validate routing using anycast gateways	59
11.3 Validate routing using the indirect gateway	60
A Gateway/firewall switch configuration	62
A.1 Initial configuration settings	62
A.2 Indirect gateway configuration	62
A.3 Simulated external network interface configuration	63
A.4 Upstream interfaces	63
A.5 Static routes to VNIs	63
B Validated components	64
B.1 Dell EMC PowerSwitches	64
B.2 PowerEdge R740xd Servers	64
B.3 VMware software	64
C Technical resources	65
C.1 Dell EMC product manuals and technical guides	65
C.1 VMware product manuals and technical guides	65
D Fabric Design Center	66

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Dell EMC Networking Virtualization Overlay with BGP EVPN

8.2

VLT validation commands

8.2.1

show vlt

domain_id

VLT configuration is verified by running the

show vlt

domain_id

command on each of the leaf switches.

The

Role

of one switch in the VLT pair is

primary,

and its peer switch (not shown) is assigned the

secondary

role. The

VLTi link status

and

VLT Peer Status

must both be

Leaf1a#

show vlt 127

Domain ID

: 127

Unit ID

: 2

Role

: primary

Version

: 2.3

Local System MAC address

: 3c:2c:30:10:36:00

Role priority

: 32768

VLT MAC address

: 00:00:01:02:03:01

IP address

: fda5:74c8:b79e:1::2

Delay-Restore timer

: 120 seconds

Peer-Routing

: Disabled

Peer-Routing-Timeout timer : 0 seconds

VLTi Link Status

port-channel1000

: up

VLT Peer Unit ID

System MAC Address

Status

IP Address

Version

--------------------------------------------------------------------------------

3c:2c:30:10:41:00

fda5:74c8:b79e:1::1

2.3

8.2.2

show vlt

domain_id

backup-link

This command is used to verify VLT peers are communicating on the backup link over the OOB management

network. The

Destination

is the management IP address of the peer. The

Peer HeartBeat status

must be

Leaf1a#

show vlt 127 backup-link

VLT Backup Link

------------------------

Destination

: 100.67.166.220

Peer Heartbeat status

: Up

Heartbeat interval

: 30

Heartbeat timeout

: 90

Destination VRF

: default

8.2.3

show vlt

domain_id

mismatch

This command highlights configuration issues between VLT peers. Mismatch examples include incompatible

VLT configuration settings and VLAN differences. Any mismatches reported should be resolved before

proceeding.

S5248F-Leaf1A#

show vlt 127 mismatch

VLT-MAC mismatch:

No mismatch

Peer-routing mismatch:

No mismatch

VLAN mismatch: