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Locating connected upstream switch

DIGGERPNS
Level 1
Level 1

Hi everyone,

I have inherited a custome with a bunch of SG300's in their LAN room and one out in the warehouse.

I need to setup a VLAN and the genius before me did not label which LAN room switch the warehouse unit plugs into. Is there a tool/method I can use to find which switch, and port this warehouse switch is connected to?

Thanks in advance.

1 Accepted Solution

Accepted Solutions

Tom Watts
VIP Alumni
VIP Alumni

Hi David, if the switch is on a relatively new firmware (anything but 1.0.0.27) then you can use CDP to find the directly connected switches.

If theyre on the original firmware, you'll have to use mac address table.

-Tom
Please mark answered for helpful posts

-Tom Please mark answered for helpful posts http://blogs.cisco.com/smallbusiness/

View solution in original post

2 Replies 2

Tom Watts
VIP Alumni
VIP Alumni

Hi David, if the switch is on a relatively new firmware (anything but 1.0.0.27) then you can use CDP to find the directly connected switches.

If theyre on the original firmware, you'll have to use mac address table.

-Tom
Please mark answered for helpful posts

-Tom Please mark answered for helpful posts http://blogs.cisco.com/smallbusiness/

Thanks Tom, a colleague actually told me about this function yesterday as well.

Appreciate the feedback.