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XS748T - LAG question
I have 2 Link Aggregations set on my switch. One is 2 10Gpbs ports and another is 4. The first connects to a Freenas box and the second to a Linux box. Both boxes have a LAG set up of 2 or 4 ports...
The commands show apply to a Linux Binding system, not to the switch.
This is the output for the two interfaces. lagg0 is on a freebsd box and team0 is on a Rocky linux box.
lagg0:
flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500 options=e407bb<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,JUMBO_MTU,VLAN_HWCSUM,TSO4,TSO6,LRO,VLAN_HWTSO,RXCSUM_IPV6,TXCSUM_IPV6>
ether a0:36:9f:3f:b3:8c
inet 10.0.9.31 netmask 0xffffff00 broadcast 10.0.9.255
nd6 options=9<PERFORMNUD,IFDISABLED>
media: Ethernet autoselect
status: active
groups: lagg
laggproto lacp lagghash l2,l3,l4
laggport: ix0 flags=1c<ACTIVE,COLLECTING,DISTRIBUTING>
laggport: ix1 flags=1c<ACTIVE,COLLECTING,DISTRIBUTING>
team0:
flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 10.0.9.32 netmask 255.255.255.0 broadcast 10.0.9.255
ether 84:16:0c:c4:b6:10 txqueuelen 1000 (Ethernet)
RX packets 20807488 bytes 379816736216 (353.7 GiB)
RX errors 0 dropped 345 overruns 0 frame 0
TX packets 11810865 bytes 1788077637 (1.6 GiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
Servers often offer more load balancing algorithms than switches. I am not familiar with the innerworkings of FreeBSD, but I see from the “lagg0” listing that it offers the L3 and L4 algorithms in addition to L2 (“laggproto lacp lagghash l2,l3,l4”). You may be able to improve the performance of that LAG by adjusting the servers configuration. As for your switch, I’m afraid it supports only the L2 algorithm. However, there are switches on the market, even SMB switches not necessarily fully managed, that offer better load balancing support. My SMB switch supports both L2 and L3 algorithms.
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