Hi Peter,

You are on NBN FTTP connection aren’t you?
And you have a CAT6 Ethernet cable connected directly from the Primary unit 
(Time Capsule) WAN port to the NBN UNI-D port on the NBN termination Box.

If so my suggestion below for Primary Unit (Time Capsule) in purple text

> On 6 Jan 2018, at 3:02 pm, Peter Crisp <[email protected]> wrote:
> 
> Hi all, from the thread below I can happily say I have had the electrician 
> install the 30m Cat 6 cable from Time Capsule down the back of the house 
> where the Airport Express is sited. The challenge has been for me to actually 
> make use of this now. The online Apple Support thread 
> (https://support.apple.com/en-au/HT204616 
> <https://support.apple.com/en-au/HT204616>) for establishing the “Roaming 
> Network” as it is articulated in the support link isn’t helping me. The 
> screen shots noted in the link here are older than the current version of 
> Airport (by some years) for the version I have in my TC and AE. Incidentally 
> I have just performed the firmware update so both units are using the latest 
> version (7.6.9 from memory).
> 
> Some of the settings I have as follows.
> 
> Primary unit (Time Capsule):
> Network Tab>Router Mode is set to Off (Bridge Mode)
Try changing to : Network Tab > Router Mode: DHCP and NAT
Network Options: will be DHCP Lease: 1 Day
IPv4 DHCP Range: 10.0 . 1. 2 to 200

> Internet Tab> Connect using DHCP
> Wireless tab> Network Mode set to “Create a wireless network”
> 
> Secondary unit (Airport Express):
> Internet tab>Connect using DHCP
> Wireless tab>Network mode set to “Extend a wireless network”
> Network tab> Router mode is greyed out

Save the new settings and Update, wait until Time Capsule updates and Airport 
Utility has Internet Green light and Time Capsule green light
> 
> The arrangement of the Airport Utility tabs for settings are different to the 
> online instructions and I am unable to interpret what they mean using the 
> current user interface to know what setting changes to make. I’ve done a fair 
> bit of browsing and not found assistance to help me. When I did connect the 
> Cat 6 cable, I seemed to loose wifi from even the TC so clearly some settings 
> need updating. I did confirm with an MBP connected on the far end of the Cat 
> 6 cable that I do indeed have Ethernet connection back to the TC so confirmed 
> integrity of the cable.
> 
> I think some of you (Robin I think) has this setup but looking for tips about 
> settings and the sequence to go through making the changes if any can help 
> I’d be obliged.
> 
> 
> Regards
> 
> 
> Pete
> 
> On 11 Nov 2017, at 9:59 am, Peter Crisp <[email protected] 
> <mailto:[email protected]>> wrote:
> 
>> RIghto Ronni, noted thanks for that, I will settle for nothing less than Cat 
>> 6.
>> 
>> Regards
>> 
>> 
>> Pete
>> 
>> On 11 Nov 2017, at 9:50 am, Ronda Brown <[email protected] 
>> <mailto:[email protected]>> wrote:
>> 
>>> Hi Peter,
>>> 
>>> Cabling is very important with NBN!
>>> NBN Ethernet cabling must be at least Cat 5e but I use & recommend Cat 6 it 
>>> has the highest performance as it will support very fast (or gigabit) 
>>> speeds, to give you years of service.
>>> 
>>> Cheers,
>>> Ronni 
>>>  Ronni Brown’s iPad Pro 12.9-inch 256GB 
>>> 
>>> 
>>> On 11 Nov 2017, at 8:24 am, Peter Crisp <[email protected] 
>>> <mailto:[email protected]>> wrote:
>>> 
>>>> Hi Robin, I’ve had a scout around eBay etc and can get a 30m cable ~$40. I 
>>>> think a pretty easy installation in the house. I suppose I would need to 
>>>> configure the Airport Express a little differently as it would no longer 
>>>> be functioning as an Extender but that shouldn’t be a big deal - I read 
>>>> about this previously. 
>>>> 
>>>> I see Cat 5, Cat 5E and Cat 6 available, which of these is the preferred 
>>>> for this duty or does it even matter?
>>>> 
>>>> Regards
>>>> 
>>>> 
>>>> Pete
>>>> 
>>>> On 11 Nov 2017, at 7:43 am, Robin Belford <[email protected] 
>>>> <mailto:[email protected]>> wrote:
>>>> 
>>>>> Pete,
>>>>> 
>>>>> I can’t emphasise strongly enough that if you can install an ethernet 
>>>>> link between your basestations you should do this. 
>>>>> It will provide the best level of service as the apple wireless extension 
>>>>> system uses some of the available bandwidth just to establish the 
>>>>> service, leaving less for actual use.
>>>>> Have a read of this guide from Apple
>>>>> 
>>>>> https://support.apple.com/en-au/HT202056 
>>>>> <https://support.apple.com/en-au/HT202056>
>>>>> 
>>>>> I have two Airport extremes, one at each end of my house on an ethernet 
>>>>> backbone, which provide very good blanket coverage to all rooms. I also 
>>>>> have wireless links to an tv and and Airport Express which just stream 
>>>>> sound and AV services so speed ids not an issue.
>>>>> My problem is the the ADSL service that tops out at 0.5MB/s.
>>>>> 
>>>>> robin
>>>>> 
>>>>> 
>>>>>> On 9 Nov 2017, at 12:19 pm, Peter Crisp <[email protected] 
>>>>>> <mailto:[email protected]>> wrote:
>>>>>> 
>>>>>> Folks, I have NBN at my house (FTTP) and I purchased a 100mbps download 
>>>>>> plan. I’ve noted before on the group here I NEVER get that downoad speed 
>>>>>> even when connected via ethernet to the NBN modem in my house. More like 
>>>>>> 65mbps is the best I’ve seen. So I am starting from a poistion of not 
>>>>>> being entirely happy with this service.
>>>>>> 
>>>>>> To the NBN modem, I have my Time Capsule attached to which the users in 
>>>>>> the house all connect to the 5GHz network emanating from it. It is 
>>>>>> located in a room immediately adjacent to the living area for best 
>>>>>> service but has a wall between that room and the living area. I get 
>>>>>> ~35mbps using the iPhone Speedtest app when in the living area. 
>>>>>> 
>>>>>> My Dad handed me down an Airport Express some time back which I set up 
>>>>>> as an extender (in number 2 son’s room) to the TC Wifi network and 
>>>>>> didn’t really pay much attention to the download rate before or after 
>>>>>> that. 
>>>>>> 
>>>>>> My kids from their rooms have been saying service is lousy down their 
>>>>>> end of the house - approximately 20m down the hall but numerous walls 
>>>>>> between the TC and their rooms. Last night I checked and in one room 
>>>>>> (number 1 son - across the hall from #2 son with extender in his room) I 
>>>>>> got 0.3 mbps (correct - 0.3 mbps). In number 2 son’s room I got 
>>>>>> ~0.9mbps. So confirming their “lousy service” assertions. I did some 
>>>>>> online searching and others report similar experiences with extenders 
>>>>>> not really helping the situation. But maybe my settings are not optimal 
>>>>>> as they should be and room for improvement there. 
>>>>>> 
>>>>>> Some of the people online who have experienced this have recommended 
>>>>>> either a long ethernet cable to physically connect the extender to the 
>>>>>> base OR an ethernet over power cabling device. 
>>>>>> 
>>>>>> Does anyone have any wisdom on this and recommended actions. I am happy 
>>>>>> to spend money to fix the problem but want to target expenditure to the 
>>>>>> right solution.
>>>>>> 
>>>>>> Regards
>>>>>> 
>>>>>> 
>>>>>> Pete
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