Dell PowerEdge FX2/FX2s User Manual

Page 128

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Dell(conf)#interface port-channel 128

Dell(conf-if-po-128)#minimum-links 4

Use the show interfaces port-channel command to view information regarding the configured
LAG or port channel settings. The Minimum number of links to bring Port-channel up is field in the
output of this command displays the configured number of active links for the LAG to be enabled.
Dell#show interfaces port-channel 128

Port-channel 128 is up, line protocol is down(minimum links not up)

Created by LACP protocol

Hardware address is 00:01:02:03:04:05, Current address is 00:01:02:03:04:05

Interface index is 1107492992

Minimum number of links to bring Port-channel up is 4

Internet address is not set

Mode of IPv4 Address Assignment : NONE

DHCP Client-ID :000102030405

MTU 12000 bytes, IP MTU 11982 bytes

LineSpeed auto

Members in this channel:

ARP type: ARPA, ARP Timeout 04:00:00

Last clearing of "show interface" counters 05:22:24

Queueing strategy: fifo

Input Statistics:

0 packets, 0 bytes

0 64-byte pkts, 0 over 64-byte pkts, 0 over 127-byte pkts

0 over 255-byte pkts, 0 over 511-byte pkts, 0 over 1023-byte pkts

0 Multicasts, 0 Broadcasts

0 runts, 0 giants, 0 throttles

0 CRC, 0 overrun, 0 discarded

Output Statistics:

0 packets, 0 bytes, 0 underruns

0 64-byte pkts, 0 over 64-byte pkts, 0 over 127-byte pkts

0 over 255-byte pkts, 0 over 511-byte pkts, 0 over 1023-byte pkts

0 Multicasts, 0 Broadcasts, 0 Unicasts

0 throttles, 0 discarded, 0 collisions, 0 wreddrops

Rate info (interval 299 seconds):

Input 00.00 Mbits/sec, 0 packets/sec, 0.00% of line-rate

Output 00.00 Mbits/sec, 0 packets/sec, 0.00% of line-rate

Time since last interface status change: 05:22:28

Optimizing Traffic Disruption Over LAG Interfaces On IOA

Switches in VLT Mode

When you use the write memory command while an Aggregator operates in VLT mode, the VLT LAG

configurations are saved in nonvolatile storage (NVS).

By restoring the settings saved in NVS, the VLT ports come up quicker on the primary VLT node and
traffic disruption is reduced. The delay in restoring the VLT LAG parameters is reduced (90 seconds by
default) on the secondary VLT peer node before it becomes operational. This makes sure that the
configuration settings of the primary VLT node are synchronized with the secondary VLT peer node
before the secondary VLT mode is up. The traffic outage is less than 200 millisconds during the restart or
switchover of the VLT peer nodes from primary to secondary.

128

Link Aggregation

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