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Configuration restrictions and guidelines
• Settings made in Layer 2 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 you enable 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, you must do two things before you enable BPDU tunneling
for PVST on a port: first, disable STP; second, enable BPDU tunneling for STP on the port.
• Do not enable BPDU tunneling for DLDP, EOAM, LACP, LLDP, PAGP, or UDLD on the member port
of a Layer 2 aggregation group.
Configuration procedure
You can enable BPDU tunneling for different protocols in different views.
Enabling BPDU tunneling for a protocol in Layer 2 Ethernet interface view or port group view
Ste
Command
Remarks
1. Enter system view.
system-view
N/A
2. Enter Ethernet interface view or port
group view.
• Enter Layer 2 Ethernet interface
view:
interface interface-type
interface-number
• Enter port group view:
port-group manual
port-group-name
Use either command.
3. Enable BPDU tunneling for a
protocol.
bpdu-tunnel dot1q { cdp | dldp |
eoam | gvrp | hgmp | lacp | lldp |
pagp | pvst | stp | udld | vtp }
Disabled by default.
Enabling BPDU tunneling for a protocol in Layer 2 aggregate interface view
Ste
Command
Remarks
1. Enter system view.
system-view N/A
2. Enter Layer 2 aggregate interface
view.
interface bridge-aggregation
interface-number
N/A
3. Enable BPDU tunneling for a
protocol on the Layer 2 aggregate
interface.
bpdu-tunnel dot1q { cdp | gvrp | hgmp |
pvst | stp | vtp }
Disabled by default.
Configuring destination multicast MAC address for
BPDUs
By default, the destination multicast MAC address for BPDUs is 0x010F-E200-0003. You can change it
to 0x0100-0CCD-CDD0, 0x0100-0CCD-CDD1, or 0x0100-0CCD-CDD2.
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