Juniper JUNOSE 11.1.X - LINK LAYER CONFIGURATION 4-7-2010, Configuration Manual

Page: 191 / 774

■
Use to enable, disable, or delete MPLS on an interface. MPLS is disabled by
default.
■
Example
host1(config)# mpls
■
Use the no version to halt MPLS on the interface and delete the MPLS interface
configuration.
■
See mpls.
L2TP and Ethernet
Most Ethernet interfaces support L2TP. To use L2TP, you must first create a PPP
interface. See L2TP Overview for information about configuring L2TP.
Multinetting and Ethernet
Ethernet interfaces, except for bridged Ethernet interfaces, support multinetting; that
is, adding more than one IP address to an IP interface. If you want to add multiple
IP addresses to a single IP interface, use the
ip address command with the secondary
keyword, which is described in the chapter Configuring IP in JUNOSe IP, IPv6, and
IGP Configuration Guide .
Monitoring Upper-Level Protocols over Ethernet
This section explains how to use the show commands to display the physical
characteristics and the configured settings for Ethernet interfaces.
NOTE: The E120 and E320 routers output for monitor and show commands is
identical to output from other E Series routers, except that the E120 and E320 routers
output also includes information about the adapter identifier in the interface specifier
(
slot/adapter/port ).
You can use various show commands to monitor upper-layer protocols. For more
information, see:
■
“Configuring Point-to-Point Protocol over Ethernet” on page 375
■
Chapter Configuring IP in JUNOSe IP, IPv6, and IGP Configuration Guide
■
Chapter Configuring MPLS in JUNOSe BGP and MPLS Configuration Guide
show interfaces fastEthernet
■
Use to display the status of Fast Ethernet interfaces, VLAN subinterfaces, or
S-VLAN subinterfaces.
■
You can specify the following keywords:
■
delta —Specifies that baselined statistics are to be shown
L2TP and Ethernet
■ 159
Chapter 4: Configuring Upper-Layer Protocols over Static Ethernet Interfaces