SIMBA Fibre Broadband

[sglandscape]

Switch has to support Link Aggregation

LACP would be required, however ideally should do IP hash as the algorithm for how to route traffic so you can at best effort maximise the aggregated link. If you're using round robbin or based on Mac address, it's down to luck more than being able to saturate the link all the time.

Having said that, using LACP/LAG is such a chore in today's world when 10G cheap is enough (especially so if you're using SFP+ with DAC or fibre transceiver).

 

[Apparatus]

LACP would be required, however ideally should do IP hash as the algorithm for how to route traffic so you can at best effort maximise the aggregated link. If you're using round robbin or based on Mac address, it's down to luck more than being able to saturate the link all the time.

Having said that, using LACP/LAG is such a chore in today's world when 10G cheap is enough (especially so if you're using SFP+ with DAC or fibre transceiver).

Yes, link aggregation requires LACP/LAG. Just look for a switch that supports it.

I believe the speedtest poster is using SIMBA's 10G. And it's a 4x2.5G service. Upgrading the hardware and infrastructure is going to be expensive for SIMBA if it can use use its existing and cheaper 2.5G hardware and infrastructure to link aggregate to 10G as a service.

 

[GlassDoor]

Yes, link aggregation requires LACP/LAG. Just look for a switch that supports it.

I believe the speedtest poster is using SIMBA's 10G. And it's a 4x2.5G service. Upgrading the hardware and infrastructure is going to be expensive for SIMBA if it can use use its existing and cheaper 2.5G hardware and infrastructure to link aggregate to 10G as a service.

just curious... does it matter simba got 10G?
if got 10G you dare to subscribe?

in todays world.. people can anyhow say.. just don't anyhow believe

 

[Apparatus]

just curious... does it matter simba got 10G?
if got 10G you dare to subscribe?

in todays world.. people can anyhow say.. just don't anyhow believe

It's definitely not the last option on my 10G list

 

[xiaofan]

If you are talking of something below

https://liliputing.com/this-small-f...intel-n100-processor-and-dual-display-suppor/

then you'll need to connect to a 4x2.5G with a 10G output port switch

Yes I agree this is the more likely scenatio. Anyway, the following scenarios are just guessing. We still need the poster to state his plan, router used and client used.

1) Scenario 1 -- 2.5G switch (>=4 2.5G ports) with 10G uplink, using Starhub/MR/Singtel

XGS-PON ONT -- TP-Link 10G router 10G WAN
TP-Link 10G router 10G LAN -- Switch 10G uplink
Switch quad 2.5G port -- Mini PC with quad 2.5G switch

There are other possibilities as well but less likely.

2) No switch used, using Starhub [I tend to believe this will work, but need confirmation with the experts here]

XGS-PON ONT -- TP-Link EB810v router 10G WAN
10G LAN port + 3 x 2.5G LAN port -- Mini PC with quad 2.5G LAN port

3) Using Xiaomi 10000 router with Starhub/MR

XGS-PON ONT -- Xiaomi 10000 router 10G WAN
Xiaomi 10000 router quad 2.5G LAN port port -- Mini PC with quad 2.5G switch

 

[xiaofan]

Yes, link aggregation requires LACP/LAG. Just look for a switch that supports it.

I believe the speedtest poster is using SIMBA's 10G. And it's a 4x2.5G service. Upgrading the hardware and infrastructure is going to be expensive for SIMBA if it can use use its existing and cheaper 2.5G hardware and infrastructure to link aggregate to 10G as a service.

As mentioned before, using 4 x GPON based 2.5G service (like what SIMBA is offering now) will not get you upload speed above 5Gbps.

If SIMBA wants to survive post 2028 (SG government targets to have 50% households with 10G services by 2028), then it will have to provide 10G services, but for sure not offering 4 x 2.5G service as a "fake" 10G service as you mentioned.

Reference:
https://www.imda.gov.sg/resources/p...sg-investing-ahead-for-nbn-to-be-future-ready

> More than half a million households are expected to sign up and benefit from higher speeds of up to 10Gbps by 2028.

 

[Apparatus]

As mentioned before, using 4 x GPON based 2.5G service (like what SIMBA is offering now) will not get you upload speed above 5Gbps.

If SIMBA wants to survive post 2028 (SG government targets to have 50% households with 10G services by 2028), then it will have to provide 10G services, but for sure not offering 4 x 2.5G service as a "fake" 10G service as you mentioned.

Reference:
https://www.imda.gov.sg/resources/p...sg-investing-ahead-for-nbn-to-be-future-ready

> More than half a million households are expected to sign up and benefit from higher speeds of up to 10Gbps by 2028.

I believe SIMBA could be providing a different ONT with 4x 2.5G ports from the 2.5G one

Very little news on SIMBA 10G

 

[xiaofan]

LACP would be required, however ideally should do IP hash as the algorithm for how to route traffic so you can at best effort maximise the aggregated link. If you're using round robbin or based on Mac address, it's down to luck more than being able to saturate the link all the time.

Having said that, using LACP/LAG is such a chore in today's world when 10G cheap is enough (especially so if you're using SFP+ with DAC or fibre transceiver).

Interesting analysis about LACP and IP hash. I learned something new today.

However, I see potential more complications with Windows Ethernet Adapter Teaming, which is not exactly the same as LACP.

Reference from Intel: no need to use Windows server if you use Intel Ethernet adapters
https://www.intel.com/content/www/u...igabit-ethernet-controllers-up-to-2-5gbe.html

Another reference -- for Windows server, there are some relevant info related to what you mentioned above.
https://www.serverwatch.com/guides/nic-teaming/

 

[xiaofan]

I believe SIMBA could be providing a different ONT with 4x 2.5G LAN ports from the 2.5G one

Very little news on SIMBA 10G

If SIMBA comes out with a 10G service, then it can not be based on GPON (2.5Gbps download, 1.244Gbps upload), but rather based on XG-PON or XGS-PON.

Singtel was using XG-PON ONR (10G download, 2.5G upload) but switched to XGS-PON ONR last year (10G download/upload). Starhub and MR are also using XGS-PON ONT now.

Anyway, no need to spread the rumor about SIMBA 10G now that they do not even provide IPv4 add-on or IPv6 to cater for the weakness of CGNAT.

Reference: GPON vs XG-PON vs XGS-PON.
https://www.linkedin.com/pulse/gpon-vs-xg-pon-xgs-pon-whats-difference-vsol2007/

 

[i1magic]

Review for GL.iNet Flint 2 (GL-MT6000).

 

[i1magic]

Based on SIMBA website, they got Quarterly and Annual payment.

Is there any additional benefits of going for Annual Payment?

 

[GlassDoor]

LACP would be required, however ideally should do IP hash as the algorithm for how to route traffic so you can at best effort maximise the aggregated link. If you're using round robbin or based on Mac address, it's down to luck more than being able to saturate the link all the time.

Having said that, using LACP/LAG is such a chore in today's world when 10G cheap is enough (especially so if you're using SFP+ with DAC or fibre transceiver).

a few factual errors
1) round robin will be the most evenly distributed.. all packets are striped across bond members. problem is that the packets have high chance of arriving out of order. means lots of resends
2) LACP aka 802.3ad is dynamic link aggregation (switch and host support required). Static link aggregation aka port trunking can also specify which hash protocol to use (switch and host support required)

The below gives a good explanation of what the different modes does and what prerequisites
https://support.hpe.com/hpesc/public/docDisplay?docId=c02101732&docLocale=en_US
Bonding mode 5 and 6 does not require any switch support

xmit_hash_policy can be selected for bonding modes 2,4&5 (mode 2 is static trunking, mode 4 is LACP/802.3ad and mode 5 is balance-tlb which does not need swicth support)

good read for understanding below
https://dannyda.com/2022/05/19/whic...02-3ad-balance-rr-layer2-layer23-layer34-etc/

it is important to stress that the bonding configuration needs to be done separately on both the hosts and on the switches(support/option to choose hashing policy differs between switches) . with the exception of balance-alb (mode 6) which rewrites ARP address to the switches, none of the other modes have a say on how the switches send over the bond.

from experience, Mode 2 and mode 4 with L3+4 hashing provide the best results. balance-alb can be have unpredictable results depending of use case.

have fun...

 

[GlassDoor]

Based on SIMBA website, they got Quarterly and Annual payment.

Is there any additional benefits of going for Annual Payment?

quarterly got a deposit i think...
I choose the annual payment on the basis that if the service is sucky.. treat it as throw away 300++ and be done with it

 

[sglandscape]

Round robin works the worse if you have multiple LAG groups for the exact reason you mentioned.

 

[GlassDoor]

Round robin works the worse if you have multiple LAG groups for the exact reason you mentioned.

unfortunately balance-rr is the default for most installations.. eg systemd.

 

[xiaofan]

a few factual errors
1) round robin will be the most evenly distributed.. all packets are striped across bond members. problem is that the packets have high chance of arriving out of order. means lots of resends
2) LACP aka 802.3ad is dynamic link aggregation (switch and host support required). Static link aggregation aka port trunking can also specify which hash protocol to use (switch and host support required)

The below gives a good explanation of what the different modes does and what prerequisites
https://support.hpe.com/hpesc/public/docDisplay?docId=c02101732&docLocale=en_US
Bonding mode 5 and 6 does not require any switch support

xmit_hash_policy can be selected for bonding modes 2,4&5 (mode 2 is static trunking, mode 4 is LACP/802.3ad and mode 5 is balance-tlb which does not need swicth support)

Looks like quite different from Windows NICs Teaming.
Reference from Intel: no need to use Windows server if you use Intel Ethernet adapters
https://www.intel.com/content/www/u...igabit-ethernet-controllers-up-to-2-5gbe.html

Another reference -- for Windows server, there are some relevant info related to what you mentioned above.
https://www.serverwatch.com/guides/nic-teaming/

Never really tried Windows NICs teaming though.

I have only tried to use Linux Network Bond under Proxmox PVE 7.4 once -- it was working to bond 2 x 1Gbps connection to 2Gbps connection. But I have not used it since I have got 2.5G home networking stuff later.

Since I do not have 5G or 10G capable devices, I will probably not try bonding two x 2.5G connections now under PVE 8.0 (Intel N100 mini PC with quad 2.5G NICs).
https://pve.proxmox.com/wiki/Network_Configuration#sysadmin_network_bond

 

[TanKianW]

Having said that, using LACP/LAG is such a chore in today's world when 10G cheap is enough (especially so if you're using SFP+ with DAC or fibre transceiver).

For quite a while, I have been using LACP LAGG 2x 10G from my router to my core switch and another pair of LACP LAGG 2x 10G to another downstream switch on my server rack. Sometimes it is not just the speed and bandwidth you need, but for port redundancy. Especially when you are running 10GbE port 24/7 where prolong heat may cause the port to fail. Use of transceiver modules pose another point of failure too. You can also reduce that risk of both trunk ports failing side-by-side by spacing then apart (alternate/staggered ports).

However LACP LAGG does not help when the switch fails. Switch redundancy can be solved using a RSTP/MSTP (Spanning Tree) setup or internal BGP/OSPF with multiple L3 switches/routers.​

 

[DynamiteZerg]

I don't have high gaming requirements and also for latency. I only play games like World of Warships or World of Tanks...

Is Simba ok for me? Or should I go for MR 1Gbps?

 

[phiber]

SIMBA 2.5G INTERNET IS BAD, DO NOT GET SIMBA, PLEASE ALL, UNSUBSCRIBE SIMBA!!



*So that i can keep the bandwidth all to myself.. hahaha..

 

[phiber]

I don't have high gaming requirements and also for latency. I only play games like World of Warships or World of Tanks...

Is Simba ok for me? Or should I go for MR 1Gbps?

SIMBA 2.5G INTERNET IS BAD, DO NOT GET SIMBA, PLEASE ALL, UNSUBSCRIBE SIMBA!!
Please go M1 or Starhub or SingTel, anywhere but Simba. Thanks!



*So that i can keep the bandwidth all to myself.. hahaha..