Dell S4148U-ON OS10 Enterprise Edition User Guide Release 10.4.0E R2 - Page 77
Port-channel interfaces, Create port-channel
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Hardware is unknown. Interface index is 102863300 Internet address is 120.120.120.120/24 Mode of IPv4 Address Assignment : MANUAL MTU 1532 bytes Flowcontrol rx false tx false ARP type: ARPA, ARP Timeout: 240 Last clearing of "show interface" counters : 00:00:11 Queuing strategy : fifo Input 0 packets, 0 bytes, 0 multicast Received 0 errors, 0 discarded Output 0 packets, 0 bytes, 0 multicast Output 0 errors, Output 0 invalid protocol Time since last interface status change : 00:00:11 Port-channel interfaces Port-channels are not configured by default. Link aggregation is a method of grouping multiple physical interfaces into a single logical interface - a link aggregation group (LAG) or port -channel. A port-channel aggregates the bandwidth of member links, provides redundancy, and load balances traffic. If a member port fails, the OS10 device redirects traffic to the remaining ports. A physical interface can belong to only one port-channel at a time, and a port-channel must contain interfaces of the same interface type and speed. OS10 supports up to 128 port-channels, with up to 16 10G or 40G ports per channel. To configure a port-channel, use the same configuration commands as for Ethernet port interfaces. Port-channels are transparent to network configurations and managed as a single interface. For example, configure one IP address for the group, and use the IP address for all routed traffic on the port-channel. By configuring port channels, you can create larger capacity interfaces by aggregating a group of lower speed links. For example, you can build a 50G interface by aggregating five 10G Ethernet interfaces together - if one of the five interfaces fails, traffic is redistributed across the four remaining interfaces. Static Dynamic Port-channels are statically configured. Port-channels are dynamically configured using link aggregation control protocol (LACP). Member ports of a LAG are added and programmed into the hardware in a predictable order based on the port ID, instead of in the order in which the ports come up. Load balancing yields predictable results across resets and reloads. Create port-channel You can create up to 128 port-channels, with up to 16 port members per group. Configure a port-channel similarly to a physical interface - you can enable or configure protocols, or assign access control lists (ACLs) to a port channel. After you enable the port-channel, you can place it in L2 or L3 mode. To place the port-channel in L2 mode or configure an IP address to place the port-channel in L3 mode, use the switchport command. 1 Create a port-channel in CONFIGURATION mode. interface port-channel id-number 2 Ensure that the port-channel is active in PORT-CHANNEL mode. no shutdown Create port-channel OS10(config)# interface port-channel 10 OS10(conf-if-po-10)# no shutdown Interfaces 77
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