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 From:  krt <kkrrtt at gmail dot com>
 To:  Morten Pedersen <mojope at gmail dot com>
 Cc:  m0n0wall at lists dot m0n0 dot ch
 Subject:  Re: [m0n0wall] Intel Pro/1000MT Quad Port network adapter and VLAN
 Date:  Mon, 21 Aug 2006 16:23:47 -0700
The VLAN numbers must align.

on the Cisco, you're using Vlan 201

On your m0n0 install, you're using Vlan0,1 and 2.

You need to use the same VLAN numbers on both sides.  I suggest avoiding 
using VLAN 1 on the Cisco side, as it is the default VLAN for a Cisco 
Cat (both CATOS and IOS)


i.e.
switchport trunk allowed vlan 0,1,2

and disable the native VLAN setting - you don't need it
no switchport trunk native vlan


(all that the native vlan option does is send untagged frames to that 
VLAN.  Since you're not dealing with that situation, you don't need it)



Morten Pedersen wrote:
> Hi.
> 
> I have some trouble setting up VLAN with this adapter against a Cisco
> 3750 routerswitch. It works without VLAN. Can anyone help me, if I
> might have some wrong settings?
> 
> $ ifconfig -a
> em0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
>     options=3<RXCSUM,TXCSUM>
>     inet 82.117.32.148 netmask 0xffffff80 broadcast 82.117.32.255
>     ether 00:14:22:09:b0:a1
>     media: Ethernet autoselect (1000baseTX <full-duplex>)
>     status: active
> em1: flags=8802<BROADCAST,SIMPLEX,MULTICAST> mtu 1500
>     options=3<RXCSUM,TXCSUM>
>     ether 00:04:23:c4:3d:f0
>     media: Ethernet autoselect
>     status: no carrier
> em2: flags=8802<BROADCAST,SIMPLEX,MULTICAST> mtu 1500
>     options=3<RXCSUM,TXCSUM>
>     ether 00:04:23:c4:3d:f1
>     media: Ethernet autoselect
>     status: no carrier
> em3: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
>     options=3<RXCSUM,TXCSUM>
>     inet 82.117.36.149 netmask 0xffffff80 broadcast 82.117.36.255
>     ether 00:04:23:c4:3d:f2
>     media: Ethernet autoselect (1000baseTX <full-duplex>)
>     status: active
> em4: flags=8802<BROADCAST,SIMPLEX,MULTICAST> mtu 1500
>     options=3<RXCSUM,TXCSUM>
>     ether 00:04:23:c4:3d:f3
>     media: Ethernet autoselect
>     status: no carrier
> em5: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
>     options=3<RXCSUM,TXCSUM>
>     inet 192.168.120.1 netmask 0xffffff00 broadcast 192.168.120.255
>     ether 00:14:22:09:b0:a2
>     media: Ethernet autoselect (1000baseTX <full-duplex>)
>     status: active
> lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 16384
>     inet 127.0.0.1 netmask 0xff000000
> vlan0: flags=9842<BROADCAST,RUNNING,SIMPLEX,LINK0,MULTICAST> mtu 1500
>     ether 00:04:23:c4:3d:f2
>     media: Ethernet autoselect (1000baseTX <full-duplex>)
>     status: active
>     vlan: 200 parent interface: em3
> vlan1: flags=9842<BROADCAST,RUNNING,SIMPLEX,LINK0,MULTICAST> mtu 1500
>     ether 00:04:23:c4:3d:f2
>     media: Ethernet autoselect (1000baseTX <full-duplex>)
>     status: active
>     vlan: 201 parent interface: em3
> vlan2: flags=9843<UP,BROADCAST,RUNNING,SIMPLEX,LINK0,MULTICAST> mtu 1500
>     inet 192.168.110.149 netmask 0xffffff00 broadcast 192.168.110.255
>     ether 00:04:23:c4:3d:f2
>     media: Ethernet autoselect (1000baseTX <full-duplex>)
>     status: active
>     vlan: 6 parent interface: em3
> 
> 
> 
> And on the routerswitch:
> mol-rs-003#sh run int gigabitEthernet1/0/13
> Building configuration...
> 
> Current configuration : 192 bytes
> !
> interface GigabitEthernet1/0/13
> description Trunk til mol-fw-001
> switchport trunk encapsulation dot1q
> switchport trunk native vlan 201
> switchport mode trunk
> spanning-tree portfast
> end
> 
> 
> Thanks,
> 
> Morten
> 
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