From: Swaroop Potdar (swarooppotdar@hotmail.com)
Date: Thu Aug 26 2004 - 03:37:54 GMT-3
HI Tim,
You need to explictly specify the mode of the port as access
"switchport mode access" on both the sides.
but its advisible that when connecting two switches you set the mode to
trunk..if thatis what you are trying to do with your port 1/0/11 on 3750.
thanks,
Swaroop.
>From: Tom Young <gitsyoung@yahoo.co.jp>
>Reply-To: Tom Young <gitsyoung@yahoo.co.jp>
>To: ccielab@groupstudy.com
>Subject: spantree's error
>Date: Thu, 26 Aug 2004 14:39:55 +0900 (JST)
>
>hi, group
>
> I connect a Cat3750 and Cat2950 with one RJ45 cable.
>Next error occured.
>SPANTREE-7-RECV_1Q_NON_TRUNK: Received 802.1Q BPDU on non
>trunk [chars]
>[chars].
>I don't set anything one Cat2950.For the Cat3750's
>interface, I input the command below:
>
>interface GigabitEthernet1/0/11
> description " Access 192.168.45.0/24 NW "
> switchport access vlan 45
> no ip address
> duplex full
> speed 100
> no mdix auto
>
>3750G#show int g1/0/11 switchport
>Name: Gi1/0/11
>Switchport: Enabled
>Administrative Mode: dynamic auto
>Operational Mode: static access
>Administrative Trunking Encapsulation: negotiate
>Operational Trunking Encapsulation: native
>Negotiation of Trunking: On
>Access Mode VLAN: 45 (NOTES)
>Trunking Native Mode VLAN: 1 (default)
>Voice VLAN: none
>Administrative private-vlan host-association: none
>Administrative private-vlan mapping: none
>Administrative private-vlan trunk native VLAN: none
>Administrative private-vlan trunk encapsulation: dot1q
>Administrative private-vlan trunk normal VLANs: none
>Administrative private-vlan trunk private VLANs: none
>Operational private-vlan: none
>Trunking VLANs Enabled: ALL
>Pruning VLANs Enabled: 2-1001
>Capture Mode Disabled
>Capture VLANs Allowed: ALL
>Protected: false
>Unknown unicast blocked: disabled
>Unknown multicast blocked: disabled
>
>Appliance trust: none
>
>
>Why the error happened? Why they couldn't negotiate it?
>
>Thanks alot
>
>
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Regards,
Swaroop.
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