Configuring Untagged Aggregated Ethernet Interfaces

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When you configure an untagged Aggregated Ethernet interface, the existing rules for untagged interfaces apply. These rules are as follows:

You can configure only one logical interface (unit 0) on the port. The logical unit 0 is used to send and receive LACP or marker protocol data units (PDUs) to and from the individual links.
You cannot include the vlan-id statement in the configuration of the logical interface.

Table 48 lists untagged aggregated Ethernet and LACP support by PIC and platform.

Table 48: Untagged Aggregated Ethernet and LACP Support by PIC and Platform

PIC Type	M-series	LACP	T-series	LACP
4-port Fast Ethernet PIC Type 1	Yes	Yes	Yes	Yes
1-port Gigabit Ethernet PIC Type 1	Yes	Yes	Yes	Yes
2-port Gigabit Ethernet PIC Type 2	Yes	Yes	Yes	Yes
4-port Gigabit Ethernet PIC Type 2	Yes	Yes	Yes	Yes
1-port 10-Gigabit Ethernet M160	Yes	Yes	NA	NA
10-port Gigabit Ethernet PIC Type 3	Yes (M120, M320)	Yes	Yes	Yes
1-port 10-Gigabit Ethernet PIC Type 3	N/A	NA	Yes	Yes
8-port Gigabit Ethernet PIC Type 3	Yes	Yes	Yes	Yes

The 8–port Fast Ethernet PIC does not support untagged aggregated Ethernet or LACP.

Syslog messages are logged if you try to configure an untagged aggregated Ethernet interface using an unsupported PIC type.

For more information about configuring LACP, see Configuring Aggregated Ethernet LACP.

Example: Configuring Untagged Aggregated Ethernet Interfaces

Configure an untagged aggregated Ethernet interface by omitting the vlan-tagging and vlan-id statements from the configuration:



[edit interfaces]
fe-5/0/1 {


fastether-options {
802.3ad ae0;
}


}
ae0 {


unit 0 {


family inet {


address 13.1.1.2/24 {


vrrp-group 0 {
virtual-address 13.1.1.4;
priority 200;
}


}


}


}


}

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