Once the uplink interfaces are configured on the external switches and in the SFS UI, connectivity can be verified using the switch CLI.
Show command output on External-A
Run the show ip bgp summary command to verify that BGP is up for each neighbor. When BGP is up, uptime is shown in the Up/Down
column. The neighbors for External-A shown in the output below are Leaf1A, Leaf1B, Spine1, Spine2, and External-B.
External-A# show ip bgp summary
BGP router identifier 10.0.2.1 local AS number 65101
Neighbor AS MsgRcvd MsgSent Up/Down State/Pfx
192.168.1.1 65011 3407 3404 07:10:58 8
192.168.1.3 65011 3409 3389 07:10:10 8
192.168.1.5 65012 76 66 00:13:36 6
192.168.1.7 65012 59 45 00:09:28 6
192.168.3.21 65101 5013 5019 3d:00:20:57 6
Run the show ip interface brief command to verify that connected interfaces are up and IP addresses are configured correctly.
In the output below, interfaces 1/1/53 and 1/1/54 are connected to the spine switches.
External-A# show ip interface brief
Interface Name IP-Address OK Method Status Protocol
================================================================================
Ethernet 1/1/1 unassigned YES unset up up
Ethernet 1/1/49 unassigned YES unset up up
Ethernet 1/1/50 unassigned YES unset up up
Ethernet 1/1/51 192.168.1.0/31 YES manual up up
Ethernet 1/1/52 192.168.1.2/31 YES manual up up
Ethernet 1/1/53 192.168.1.4/31 YES manual up up
Ethernet 1/1/54 192.168.1.6/31 YES manual up up
Management 1/1/1 100.67.112.12/24 YES manual up up
Vlan 1 unassigned YES unset up up
Vlan 1911 172.19.11.252/24 YES manual up up
Vlan 4000 192.168.3.20/31 YES manual up up
Vlan 4094 unassigned YES unset up up
Port-channel 1 unassigned YES unset up up
Port-channel 1000 unassigned YES unset up up
Loopback 0 10.0.2.1/32 YES manual up up
Show command output on Spine1
Run the show ip bgp summary command to verify that BGP is up for each neighbor. When BGP is up, uptime is shown in the Up/Down
column. The neighbors for Spine1 shown in the output below are the four-leaf switches (with automatically configured IP addresses in the 172.16.0.0/16 address range), and External-A and External-B.
Z9264F-SPN1# show ip bgp summary
BGP router identifier 172.16.128.3 local AS number 65012
Neighbor AS MsgRcvd MsgSent Up/Down State/Pfx
172.16.0.2 65011 103 110 01:19:12 23
172.16.0.4 65011 105 111 01:18:43 23
172.16.0.6 65011 126 112 01:18:24 8
172.16.0.16 65011 123 112 01:18:20 8
192.168.1.4 65101 22 29 00:15:59 15
192.168.2.4 65101 16 17 00:10:51 15
Run the show ip interface brief command to verify that connected interfaces are up, and IP addresses are configured correctly.
In the output below, interfaces 1/1/27 and 1/1/28 are connected to the external switches.
Z9264F-SPN1# show ip interface brief
Interface Name IP-Address OK Method Status Protocol
================================================================================
Ethernet 1/1/1 unassigned YES unset up up
Ethernet 1/1/2 unassigned YES unset up up
Ethernet 1/1/3 unassigned YES unset up up
Ethernet 1/1/4 unassigned YES unset up up
Ethernet 1/1/27 192.168.1.5/31 YES manual up up
Ethernet 1/1/28 192.168.2.5/31 YES manual up up
Management 1/1/1 100.67.112.17/24 YES manual up up
Vlan 4000 unassigned YES unset up up
Vlan 4001 172.16.0.11/31 YES manual up up
Vlan 4002 172.16.0.13/31 YES manual up up
Vlan 4003 172.16.0.9/31 YES manual up up
Vlan 4004 172.16.0.17/31 YES manual up up
Port-channel 96 unassigned YES unset up up
Port-channel 97 unassigned YES unset up up
Port-channel 98 unassigned YES unset up up
Port-channel 99 unassigned YES unset up up
Loopback 1 172.16.128.4/32 YES manual up up