Lenovo ThinkAgile SXM4200, Administrator'S Manual

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3. Use the
shut
command to disable the VLAN.
4. Use the
no shut
command to enable the VLAN.
5. Use the
interface
<interface_name> to enter the interface configuration mode.
6. Use the following commands to check the trunk port setting for tag/untag observations:
• RackSwitch G8052 (ENOS):
switchport trunk allowed vlan
<add/remove> <vlan_ids>
• RackSwitch G8272 (CNOS):
bridge-port trunk allowed vlan
<add/remove> <vlan_ids>
IP troubleshooting
Use the following procedure to troubleshoot an IP issue.
1. Confirm that the correct IPs and subnet masks are defined on the relevant interfaces:
• RackSwitch G8052 (ENOS):
show interface ip
• RackSwitch G8272 (CNOS):
display running-config ip
2. Use the
display ip interface brief
command on the G8272 switches to verify whether the link status is
UP for all IP interfaces.
Management network troubleshooting
Use the following procedure to troubleshoot a management network issue.
1. Check the management IP interface and gateway:
• RackSwitch G8052 (ENOS):
show interface ip
or
show ip gateway 1
• RackSwitch G8272 (CNOS):
display ip interface
or
display run vrf management
2. Confirm whether the RackSwitch G8272 switches can ping the gateway:
ping
<G8052_management_
port_IP>
vrf management
3. Verify the IP ARP table for the management interface:
• RackSwitch G8052 (ENOS):
show ip arp
• RackSwitch G8272 (CNOS):
display ip arp vrf management
4. Check the management port state.
vLAG troubleshooting
Use the following procedure to the troubleshoot vLAG issues on the RackSwitch G8272 switches.
1. Ensure that the port channel is UP and active.
2. Ensure that the port channel type (static or dynamic) on both ends is identical.
3. Use the CNOS command
display port-aggregation summary
to ensure that all port-channel are UP in
port-aggregation.
4. Use the CNOS command
display vlag information
to ensure that vLag ISL is enabled, UP, and active.
Also, check to see that the vLag peer-id on both RackSwitch G8272 switches are the same.
Isolating problems from switches
Use the switch management interface and CNOS/ENOS functions to identify possible issues and collect
data.
BGP connection troubleshooting
To identify issues with the RackSwitch G8272 and RackSwitch G8052 BGP connections, do the following:
• Use the following commands to verify the status of the BGP connections:
– RackSwitch G8052 (ENOS):
show ip bgp state
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Lenovo ThinkAgile SX for Microsoft Azure Stack Administrator’s Guide