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Setup of GS752TPv2 for RN516 Bond?
The below discussion was so very helpful. Setup of GS108T for RN516 Bond needed? Trying to adopt the suggestions for a GS108T to my GS752TPv2 there are some settings I am unsure about. Unde...
I'd set flow control to asymmetric. If you see any issues, then you could change that over to symmetric or disable.
FYI, if you use symmetric flow control, then if the switch will pause ethernet transmission on both RN516 NICs when the flow control needs to kick in, and resume transmission on both when it is disengaged. With asymmetric, the flow control on the two RN516 NICs is independent (so one NIC might be paused, but the other one not).
dennis48755 wrote:Are Frame Size (GS752TPv2) and MTU (RN516) set to the same value?
Yes, they normally should be the same. Also, you should be using that same frame size on all the GS752 ports (whether bonded or not). 1522 is the standard for ethernet, so it can be received by all your devices. Going over that ("jumbo frames") might also require changing settings on your other ethernet devices that connect to the NAS (for instance, PCs).
I'd start with 1522, and if that gives you good enough performance, then leave well enough alone.
dennis48755 wrote:
And is Layer 2+3 the best Hash Type under Mode IEEE 802.3ad LACP in the RN516?
With bonding/lag, the sender (RN516 or GS752 in this case) needs to decide what wire to send each packet on. The hash is the algorithm that makes that decision. That's not configurable on the GS752 (and it almost certainly is using SRC/DEST MAC addresses of the packets it is sending to the NAS). I suggest configuring the RN516 to use option 1. But it really doesn't matter much on the RN516.
There is no right or wrong when it comes to the hash mode or flow control style.
Much more performance advantage could be reached by deploying bigger frame sizes on both ends of the (wired) network connection.
Thanks schumaku,
Would you please recommend a number(s), I'm a rookie and don't want to screw it up.
Also are Frame Size (GS752TPv2) and MTU (RN516) set to the same value?
And is Layer 2+3 the best Hash Type under Mode IEEE 802.3ad LACP in the RN516?
Thanks again,
Dennis
Nothing to screw up (feel free for experimenting!), except in the case of using Jumbo Frames which need to be workable on the complete data path (switch, switch port, and hosts).
Thanks for your help, but I'm afraid your last post has just gone way over my head.
As I said, I'm a rookie.
Dennis
I'd set flow control to asymmetric. If you see any issues, then you could change that over to symmetric or disable.
FYI, if you use symmetric flow control, then if the switch will pause ethernet transmission on both RN516 NICs when the flow control needs to kick in, and resume transmission on both when it is disengaged. With asymmetric, the flow control on the two RN516 NICs is independent (so one NIC might be paused, but the other one not).
dennis48755 wrote:Are Frame Size (GS752TPv2) and MTU (RN516) set to the same value?
Yes, they normally should be the same. Also, you should be using that same frame size on all the GS752 ports (whether bonded or not). 1522 is the standard for ethernet, so it can be received by all your devices. Going over that ("jumbo frames") might also require changing settings on your other ethernet devices that connect to the NAS (for instance, PCs).
I'd start with 1522, and if that gives you good enough performance, then leave well enough alone.
dennis48755 wrote:
And is Layer 2+3 the best Hash Type under Mode IEEE 802.3ad LACP in the RN516?
With bonding/lag, the sender (RN516 or GS752 in this case) needs to decide what wire to send each packet on. The hash is the algorithm that makes that decision. That's not configurable on the GS752 (and it almost certainly is using SRC/DEST MAC addresses of the packets it is sending to the NAS). I suggest configuring the RN516 to use option 1. But it really doesn't matter much on the RN516.
The Hash Mode is configurable on my GS752 v2...
Below are my RN516 settings...
What are your thoughts?
Dennis
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