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Connectivity lost after reconnect fiber port in X450

Connectivity lost after reconnect fiber port in X450

Pionio
New Contributor
We have this configuration:

create vlan net tag 20
configure net ipaddress xxx.xxx.xxx.xxy 255.255.255.0
configure vlan net add ports 51 untagged

No issues executing ping to another device in xxx.xxx.xxx.0

If we unplug fiber cable and plug it we can't access network through console and devices connected to X450

Do we need another conf to restore net connectivity?

Thanks in advance

8 REPLIES 8

Karthik_Mohando
Contributor
Hi Pionio,

The issue looks strange, i would suggest to open up a ticket with GTAC.

Pionio
New Contributor
Hello John

I have no issues with Mgmt.

Our X450-G2 works perfect and suddenly the users disconnect from network. I connect to switch, ping to another IP from network and shows no connectivity.

Execute this commands:

configure vlan net del ports 51
configure vlan net add ports 51 untagged

And voilá, network connection established

Thanks

John_Romero
New Contributor
I have found that if you don't have an active port on that vlan, it will not come up. I have created loopbacks to ensure my mgmt. vlan is always.up.

Pionio
New Contributor
Hello

I can access to port console and run any commands. Port status shows nothing strange.

Instead of rebooting switch I delete port in vlan net and then readded and network connection is established.

configure vlan net del ports 51
configure vlan net add ports 51 untagged

Additional test: When all is ok, disconnect cable, reconnect and no issues in network connection.

In short:

- Lost network connection -- > disconnet cable - reconnet cable --> nothing
- Lost network connection --> reboot --> OK
- Network connection --> disconnect cable --> OK

GTM-P2G8KFN