– Bridging to Switch

I knew that somewhere there was information that you could get up to 4 public ip from, it used to say so on there webpage, but I can’t find it again. Usually you do not need multiple IP, but while playing with my new checkpoint I actually needed more then one…

My packetfront modem is already in bridge mode, and for some strange reason they don’t allow you to just connect to any port on the modem. I was assigned port 2 when they the bridge mode setup.

This should be simple, create a vlan on my switch and connect my modem to the switch… easy peasy…. failed! My switch port light was amber, not green as it should be… spanning tree?

My thought was to use VLAN999 for my GET WAN…

Mar 26 12:14:16: %SPANTREE-7-RECV_1Q_NON_TRUNK: Received 802.1Q BPDU on non trunk GigabitEthernet1/0/20 VLAN999.
Mar 26 12:14:16: %SPANTREE-7-BLOCK_PORT_TYPE: Blocking GigabitEthernet1/0/20 on VLAN0999. Inconsistent port type.

No fun there… do they really want me to set up a trunk? seriously?
Well, I’m up for trying… switchport mode trunk it is…

Mar 26 12:17:03: %SPANTREE-2-RECV_PVID_ERR: Received BPDU with inconsistent peer vlan id 3066 on GigabitEthernet1/0/20 VLAN1.
Mar 26 12:17:03: %SPANTREE-2-BLOCK_PVID_LOCAL: Blocking GigabitEthernet1/0/20 on VLAN0001. Inconsistent local vlan.

Hmm no fun here either, but hey, it gave me enought info on what they are expecting…
Change native to vlan 3066 – switchport trunk allowed vlan 3066

Yeah, I’ve got tha interwebz on my switch! Connect my firewall or what ever device that need public ip (limited to 4.. i guess, haven’t tested it..) to an access port belonging to vlan 3066

Switch config

interface GigabitEthernet1/0/1
description GETWAN
switchport trunk native vlan 3066
switchport trunk allowed vlan 3066
switchport mode trunk
switchport nonegotiate

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