Brocade Multi-Service IronWare Multiprotocol Label Switch Manual de usuario descargar pdf (Pagina 110)

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86 Multi-Service IronWare Multiprotocol Label Switch (MPLS) Configuration Guide

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MPLS over virtual Ethernet interfaces

NOTE

Multi-port static ARP configuration in not supported for MPLS uplinks.

Configuration considerations before enabling MPLS

on a VE interface

Before enabling MPLS on a VE interface, consider the configuration notes in this section.

• The user must create a VE vid virtual interface id. The virtual interface id is a decimal number

that represents an already configured VE interface. For more information on enabling MPLS on

a VE interface, refer to “Configuring MPLS on a VE interface”.

• At least one IP address must be configured over a VE interface.

• The user can enable MPLS on two or more tags on the same port.

• In the output of the show vlan command, MPLS packets that are received on an MPLS enabled

VE interface are displayed in the Bytes received field.

In order to support configuration of MPLS uplinks and layer 2 VPN endpoints on the same physical

port, consider the following:

• When an untagged or tagged Layer 2 VPN endpoint is configured and the port belongs to a

MPLS VE enabled default VLAN, the configuration is rejected. The following error message is

displayed.

Brocade(config-mpls-vll-test)# untagged ethernet 4/3

Error - Cannot configure VLL endpoint on port 4/3 since it belongs to the MPLS

VE enabled default VLAN

• When an untagged or tagged Layer 2 VPN endpoint is deleted and the port is returned to the

default VLAN, when an MPLS VE exists on the default VLAN, the port automatically converts to

an MPLS uplink.

MPLS enabled interface

When enabling MPLS on a VE interface, consider the following.

• The user cannot delete a VE interface while MPLS is enabled on it. The user must first remove

MPLS from the interface configuration. The following error message is displayed.

Brocade(config)# no interface ve 20

Error - VE 20 has MPLS enabled

• The user cannot delete a VLAN associated with a VE when MPLS is enabled on that VE. The

user must first disable MPLS from the VE interface. The following error message is displayed.

Brocade(config)# no vlan 20

Error - vlan can't be deleted as MPLS is enabled on associated VE interface

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