Enabling Bpdu Tunneling - 3Com 4510G Configuration Manual

3com switch 4510g family
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Assign the port on which you want to enable BPDU tunneling on the PE device and the connected
port on the CE device to the same VLAN.
Configure all the ports in the service provider network as trunk ports allowing packets of any VLAN
to pass through.

Enabling BPDU Tunneling

You can enable BPDU tunneling for different protocols in different views.
Settings made in Ethernet interface view or Layer 2 aggregate interface view take effect only on
the current port; settings made in port group view take effect on all ports in the port group.
Before enabling BPDU tunneling for DLDP, EOAM, GVRP, HGMP, LLDP, or STP on a port,
disable the protocol on the port first. Because PVST is a special STP protocol, before enabling
BPDU tunneling for PVST on a port, you need to disable STP and then enable BPDU tunneling for
STP on the port first.
Before enabling BPDU tunneling for LACP on a dynamic aggregation group member port, remove
the port from the dynamic aggregation group first.
Enabling BPDU tunneling for a protocol in Ethernet interface view or port group view
Follow these steps to enable BPDU tunneling for a protocol in Ethernet interface view or port group
view:
To do...
Enter system view
Enter
Enter Ethernet
Ethernet
interface view
interface
Enter port group
view or port
view
group view
Enable BPDU tunneling for a
protocol
Enabling BPDU tunneling for a protocol in Layer 2 aggregate interface view
Follow these steps to enable BPDU tunneling for a protocol in Layer 2 aggregate interface view:
To do...
Enter system view
Enter Layer 2 aggregate interface
view
Use the command...
system-view
interface interface-type
interface-number
port-group manual
port-group-name
bpdu-tunnel dot1q { cdp |
dldp | eoam | gvrp | hgmp |
lacp | lldp | pagp | pvst | stp |
udld | vtp }
Use the command...
system-view
interface
bridge-aggregation
interface-number
11-4
Remarks
Required
Use either command
Required
By default, BPDU tunneling for a
protocol is disabled.
Remarks

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