Brocade Multi-Service IronWare Switching Configuration Gui Instrukcja Użytkownika Pobierz pdf (Strona 176)

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LAG formation rules

• Are configured as MRP primary and secondary interfaces.

• LAG deployment will fail if the LACP BPDU forwarding is disabled on the primary port and

enabled on one or more of the secondary ports.

Layer 3 requirements

The LAG is rejected if any secondary LAG ports have any Layer 3 configuration, such as IPv4s, OSPF,

RIP, RIPng, IS-IS, etc.

Layer 4 (ACL) requirements

• All LAG ports must have the same ACL configurations; otherwise, the LAG is rejected.

• A LAG cannot be deployed if a member port has ACL-based mirroring configured.

• A port with ACL-based mirroring configured cannot be added to a LAG.

• The device can support from 1-64 manually-configured LAGs.

• Ports can be in only one LAG group. All the ports in a LAG group must be connected to the

same device at the other end. For example, if port 1/4 and 1/5 in Device 1 are in the same

LAG group, both ports must be connected to ports in Device 2 or in Device 3. You cannot have

one port connected to Device 2 and another port connected to Device 3.

• All LAG member properties must match the primary port of the LAG with respect to the

following parameters:

• Port tag type (untagged or tagged port)

• Port speed and duplex

• TOS-based configuration – All ports in the LAG must have the same TOS-based QoS

configuration before LAG deployment, During deployment the configuration on the primary

port is replicated to all ports and when deployment is ended, each port inherits the same

TOS-based QoS configuration.

You must change port parameters on the primary port. The software automatically applies the

changes to the other ports in the LAG.

• Make sure the device on the other end of the LAG group can support the same number of links

in the LAG group.

• Dynamic LAGs are not supported for ports that are member of a VLAN within an ESI. Static

LAGs are supported in such configurations.

Figure 6 displays an example of a valid, keepalive LAG link between two devices. A keepalive LAG

does not aggregate ports but uses LACP PDUs to check the connection status between the two

devices at either end of a LAG.

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