Configuring Lag Parameters; Configuring Bfd On Lag Links - Alcatel-Lucent 7750 Configuration Manual

Configuring LAG Parameters

LAG configurations should include at least two ports. Other considerations include:
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The following example displays LAG configuration output:
A:ALA-A>config>lag# info detail
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A:ALA-A>config>lag#

Configuring BFD on LAG Links

BFD can be configured under the LAG context to create and establish the micro-BFD session per
link after the LAG and associated links have been configured. An IP interface must be associated
with the LAG or a VLAN within the LAG, if dot1q encapsulation is used, before the micro-BFD
sessions can be established.
Complete the following steps to enable and configure BFD over the individual LAG links:
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When configuring the local and remote IP address for the BFD over LAG link sessions, the local-
ip parameter should always match an IP address associated with the IP interface to which this
LAG is bound. In addition, the remote-ip parameter should match an IP address on the remote
7750 SR Interface Configuration Guide
A maximum of 64 ports (depending on IOM type, chassis-mode and lag-id) can be
included in a LAG. All ports in the LAG must share the port characteristics inherited from
the primary port.
Autonegotiation must be disabled or set limited mode for ports that are part of a LAG to
guarantee a specific port speed.
Ports in a LAG must be configured as full duplex.
description "LAG2"
mac 04:68:ff:00:00:01
port 1/1/1
port 1/3/1
port 1/5/1
port 1/7/1
port 1/9/1
dynamic-cost
port-threshold 4 action down
Enable BFD within the LAG context, which also enters the CLI into the BFD context
Configure the address family which is to be used for the micro BFD sessions. Only one
address family can be configured per LAG
Configured the local-IP address to be used for the BFD sessions
Configure the remote-IP address to be used for the BFD sessions
Interface Configuration
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