different vlan feature in c9200

[Leftz]

Hi Vlan 1400 and vlan 240 are created in the c9200. but vlan 240 cannot be seen in show run. Is this something wrong or .. Thanks

[Reza Sharifi]

Hi,

You should be able to see both vlans. Can you post the output of "sh run" and "sh vlan"?

HTH

[MHM Cisco World]

#more vlan.dat  <<- check the VLAN is in database, remember the vlan not save with startup but in vlan.dat
if not appear please share 
show vtp status 

[Leo Laohoo]

---

@Leftz wrote:
Hi Vlan 1400 and vlan 240 are created in the c9200.

---

How were the VLANs created, interface-level VLANs or in the VLAN database?

[Leftz]

Thanks for your reply! show run can see vlan 1400 but cannot see vlan 240. however, both vlan can be seen via show vlan.

I guess vlan with smaller number is located in another site. 

[MHM Cisco World]

show run can see vlan 1400, 
are you see 
vlan 1400 
or 
interface vlan 1400 
there is different 

[Reza Sharifi]

I guess vlan with smaller number is located in another site.

That should not be the case. Both vlans should show in the "sh run" output.

Try:

sh run | inc 240

if not try to give it a description and try the command again

config t

vlan 240

description user vlan

exit

and run the sh run command again

HTH

[Leo Laohoo]

---

@Leftz wrote:
Thanks for your reply! show run can see vlan 1400 but cannot see vlan 240.

---

Ok, this is how I see it. 

Person A was the first to configure the switch.  He created VLAN 1400 in the VLAN database and then created the VLAN interface and then added the VLAN 1400 into the allowed VLAN. 

Person B was next and allowed VLAN 240 in the allowed VLAN and skipping the rest of the process. 

Is this how it went?

[Leftz]

after several test, i can see vlan # which is  < 1001 do not show up in output of show run unless it is configured as layer 3. right?

[MHM Cisco World]

I think you confuse here, 
VLAN is 
L2 which we can see via show vlan 
L3 which we can see via show run, show interface, show ip route 

why there is different because as I mention before the VLAN (L2) is save in VLAN data not in startup. 

[Leftz]

Have you tested at c9300? it might be different with test in simulator.

[MHM Cisco World]

Manage vlan.dat file on Catalyst Switches Running Cisco IOS - Cisco

• If both the VLAN database and the configuration file show the VTP mode as transparent and the VTP domain names match, the VLAN database is ignored. The VTP and VLAN configurations in the startup configuration file are used. The VLAN database revision number remains unchanged in the VLAN database.

• If the startup VTP mode is server mode, or the startup VTP mode or domain names do not match the VLAN database, VTP mode and VLAN configuration for the first 1005 VLANs are selected by VLAN database information, such as the vlan.dat file. VLANs greater than 1005 are configured from the switch configuration file.

I mention first that VTP status affect VLAN. 
anyway check link above and check statement that startup VTP mode or domain not match with VLAN database them you can see some in VLAN database and some (large than 1005) see some in startup.