Dual network (n/g) config problems

Hi folks,
I have been running my home network off a (previous gen) Airport Express. I have a new MacBook (n-compatible) and a 12" PowerBook (g-compatible). The interference in my neighborhood on the 2.4 ghz band is dreadful - lots of dropouts, inability to connect, etc. So I got a brand-spankin'-new Time Capsule.
I want to set up my network this way: the modem connects to the Time Capsule, running on the 5 ghz band (for the MacBook), and the Airport Express connects to the Time Capsule through ethernet, broadcasting its own 2.4 ghz b/g network (for the PowerBook). Apparently this can be done in reverse, but it doesn't seem to be an option for the Airport Express. In Airport Utility (5.3.1), there is no option to extend a network through ethernet for the Airport Express.
Any thoughts? Your help is much appreciated!

The extending network feature is only for connecting the 2 wirelessly.
When you connect the 2 via Ethernet, you simply configure the AirPort Express (AX) to create a wireless network. You also configure the AX to act as a bridge (not sharing a single IP address).

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Thanks HPM2.
I guess third times a charm. The hard reset of the AEBS finally worked and Airport Utility recognized it and I set it up to join my existing network as a WDS remote.
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Many thanks in advanced.

Lackluster Dual Network Setup - HELP!

Here's my setup:
DSL
I
I
AXBS (UFO) 2.4Ghz b/g --> PowerBook G4 (10.4.11); iPhone (Original)
I
I
Time Capsule 5Ghz n (Bridged) --> MacBook Pro (10.5.4); MacBook (10.4.11 - n enabled)
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Just to update everyone:
Today I moved my whole dual network setup to a more centrally located spot in the house. This has definitely improved the coverage of the 2 network bands (n & b/g).
Additionally, since I only recently acquired the TC, I originally just added ("bridged") it off of my existing b/g network. With todays move, I decided to switch the 2 base stations and have the TC and its' "n" network the first connection off of the DSL router. Then reconfigured the older ABS Extreme (UFO) to "bridge" off the the TC. While I am convinced that I did not originally have the 2 networks co-mingled (as early speed tests confirmed), I seem to be experiencing improved internet speeds in the 5Ghz ("n") network. Could this be due to no longer "bridging" the TC through the older ABS Extremes' internal Ethernet switch?
As per Tesserax suggestion, I then did a Signal-to-Noise ration (SNR) survey of the house, and came up with some good results based on the SNR Guidelines in Tesserax comments above.
35 to 45 SNR throughout most of the house. About 25 SNR just outside in the patio where I was barely getting a connection before. Things have definitely improved. And I am very pleased. Clearly network speed is the advantage of 802.11n technology.
Nevertheless, my original observation still seems to apply. Here's why: Detached from the house is the garage and an office. As I moved out toward the office during the SNR survey (about 50 ft. away), the strength of the 5Ghz ("n") network dramatically dropped off, and was eventually non-existent inside the office. Yet I could switch over to the 2.4Ghz ("b/g") network and easily browse the internet.
Apple's marketing claims "AirPort Extreme delivers data transfer speeds up to five times those of previous-generation 802.11g wireless networks — while achieving up to twice the range."
Now I fully accept, as Apples' footnote states, "Based on a comparison with Apple's 802.11g products. Comparison assumes AirPort Extreme network with 802.11n-enabled computer. Speed and range will be less if an 802.11a/b/g product joins the network. Accessing the wireless network requires an AirPort- or AirPort Extreme-enabled computer or other Wi-Fi Certified 802.11a/b/g-enabled computer. Actual performance will vary based on range, connection rate, site conditions, size of network, and other factors. Range will vary with site conditions." If "site conditions" are limiting the range of the 5Ghz band, why aren't those same site conditions limiting the 2.4Ghz band as well. While I don't realistically expect a full doubling of range between the 2 bands, couldn't I expect SOME? Otherwise the marketing claims are meaningless.
Can the disparity be explained by Tesserax' observation above, "we know the stricter the wireless security employed, the more overhead is "eating away" the overall bandwidth so we would expect poorer performance when using WPA2 vs. WEP." Now the TC only has WPA2 security available. Are we to assume that Apple's range claims do not apply to the TC then? If I switch my older ABS Extreme (UFO) from WEP to WPA2 will the result match Apple's marketing claims? I'd rather not chop off my good right leg just so it will match my missing left leg. Perhaps my expectations for 802.11n technology were a little too high. Don't get me wrong. I'm very happy with the results. And I am thankful for Tesserax advise. I also appreciate the fact that I am not (yet) experiencing the difficulties that others here are having with the Time Capsule.
Ultimately, I assume that picking up an Airport Express "n" will extend the 5Ghz network into the office. Is this correct? If anyone has observations on this or my thoughts above, feel free to share them with the rest of us.

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I have factory reset the extreme base station and updated firmware, however, now there do not appear to be dual networks. Why is that

Then you may be possibly referring to the Guest Network option?.....which would not be enabled by default when you reset the device back to default settings.
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Hi,
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Hello,
I am using the cRIO-9081 in an industrial application where we connect a cellular modem into one network port and connect the other port to the client's process control network.
A security concern has been raised if whether there is the possiblity we could bridge the two network ports and gain access to the clients process control network.
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Cheers,
Conrad

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Hello,
I have a SAP server with a dual network card. I want to use one for SAP for accessing the network and the other one for iSCSI for provisioning more disk space. Is there no way to do this without affecting SAP's performance? If so, this should be considered a major bug...

Hi
Unfortunatelly there is no date so far. This is described in SAP Note 1135705.
Paulo Calado
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Re: Want to add TC to wireless network but need dual network setup

Currently, have an older AEBS (b/g) connected to my modem. My G5 is connected to it via an ethernet cable. My Intel iMac is connected wirelessly to the AEBS via an older (b/g) AX which amplifies my signal and is also connected to a stereo system). I have a 1 TB TC and would like to set up a dual network so that I can capitalize on the faster N speeds offered by the TC and backup both computers.
Modem -> TC -> AEBS -> G5 (by ethernet cable): the b/g network
TC ->Intel iMac (wireless): the n network.
Will the older (b/g) AX work with iTunes on both computers? Which network should it be a part of?
And how does this dual network configuration work for backing up both computers? Anyone have something similar? Will Airport Utility do this or do I need to do it manually?

Thanks for pointing out that my AEBS needs to be in Bridge mode and for clarifying that AirTunes will work on either network.
Any experience with using TC as a backup on a dual network?
I wonder how many out there have taken advantage of third party apps that given one more options for backing up less frequently than TC does?
Thanks again for posting.

AD DS Config problem (The AAAA record for this DC was not found) Cannot connect to ADUC

I am trying to figure out what is wrong with my AD DS Config. I ran dcdiag. The results were:
C:\Users\Administrator>dcdiag /test:dns
Directory Server Diagnosis
Performing initial setup:
   Trying to find home server...
   Home Server = R210_1_2K12
   * Identified AD Forest.
   Done gathering initial info.
Doing initial required tests
   Testing server: Default-First-Site-Name\R210_1_2K12
      Starting test: Connectivity
         ......................... R210_1_2K12 passed test Connectivity
Doing primary tests
   Testing server: Default-First-Site-Name\R210_1_2K12
      Starting test: DNS
         DNS Tests are running and not hung. Please wait a few minutes...
         ......................... R210_1_2K12 passed test DNS
   Running partition tests on : Schema
   Running partition tests on : Configuration
   Running partition tests on : bcas-tbf
   Running enterprise tests on : bcas-tbf.local
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            Domain: bcas-tbf.local
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               TEST: Records registration (RReg)
                  Network Adapter [00000017] Hyper-V Virtual Ethernet Adapter:
                     Warning:
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                     Warning:
                     Missing AAAA record at DNS server 172.16.0.202:
                     gc._msdcs.bcas-tbf.local
                     Warning:
                     Missing AAAA record at DNS server ::1:
                     R210_1_2K12.bcas-tbf.local
                     Warning:
                     Missing AAAA record at DNS server ::1:
                     gc._msdcs.bcas-tbf.local
               Warning: Record Registrations not found in some network adapters
               R210_1_2K12                  PASS WARN PASS PASS PASS WARN n/a
         ......................... bcas-tbf.local passed test DNS
IPCONFIG info:
C:\Users\Administrator>ipconfig /all
Windows IP Configuration
   Host Name . . . . . . . . . . . . : R210_1_2K12
   Primary Dns Suffix . . . . . . . : bcas-tbf.local
   Node Type . . . . . . . . . . . . : Hybrid
   IP Routing Enabled. . . . . . . . : No
   WINS Proxy Enabled. . . . . . . . : No
   DNS Suffix Search List. . . . . . : bcas-tbf.local
Ethernet adapter vEthernet (Broadcom BCM5716C NetXtreme II GigE (NDIS VBD Client
) #36 - Virtual Switch):
   Connection-specific DNS Suffix . :
   Description . . . . . . . . . . . : Hyper-V Virtual Ethernet Adapter #2
   Physical Address. . . . . . . . . : 00-26-B9-7E-81-74
   DHCP Enabled. . . . . . . . . . . : No
   Autoconfiguration Enabled . . . . : Yes
   Link-local IPv6 Address . . . . . : fe80::bda9:1a28:974a:5fc3%19(Preferred)
   IPv4 Address. . . . . . . . . . . : 172.16.0.202(Preferred)
   Subnet Mask . . . . . . . . . . . : 255.255.255.0
   Default Gateway . . . . . . . . . : 172.16.0.1
   DHCPv6 IAID . . . . . . . . . . . : 335554233
   DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-1A-0A-52-45-00-26-B9-7E-81-75
   DNS Servers . . . . . . . . . . . : ::1
                                       172.16.0.202
   NetBIOS over Tcpip. . . . . . . . : Enabled
Tunnel adapter isatap.{AE70C63E-0A8A-4461-A789-8E4CD99CEA46}:
   Media State . . . . . . . . . . . : Media disconnected
   Connection-specific DNS Suffix . :
   Description . . . . . . . . . . . : Microsoft ISATAP Adapter
   Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
   DHCP Enabled. . . . . . . . . . . : No
   Autoconfiguration Enabled . . . . : Yes
Tunnel adapter Local Area Connection* 11:
   Connection-specific DNS Suffix . :
   Description . . . . . . . . . . . : Teredo Tunneling Pseudo-Interface
   Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
   DHCP Enabled. . . . . . . . . . . : No
   Autoconfiguration Enabled . . . . : Yes
   IPv6 Address. . . . . . . . . . . : 2001:0:9d38:90d7:1cf5:1d4f:53ef:ff35(Pref
erred)
   Link-local IPv6 Address . . . . . : fe80::1cf5:1d4f:53ef:ff35%15(Preferred)
   Default Gateway . . . . . . . . . : ::
   NetBIOS over Tcpip. . . . . . . . : Disabled
I'm unsure of what the problem is or what to do next. Thank You.

Disable IPv6 according to Pauls blog:
Disabling
IPv6 on Windows 2008
After disabling run:
ipconfig /flushdns
ipconfig /registerdns
restart the netlogon service or reboot.
For co-existence from IPv4 and IPv6 see:
Configuring DNS for IPv6/IPv4
Coexistence
IPv6
for the Windows Administrator: How Name Resolution Works in a Dual IPv4/IPv6 Scenario
IPv6 for the Windows Administrator: IPv6 Fundamentals
Hopefully, that fixes your issue. Added some links to read in cause you want to.
If it answered your question, remember to “Mark as Answer”.
If you found this post helpful, please “Vote as Helpful”.
Postings are provided “AS IS” with no warranties, and confers no rights.
Active Directory: Ultimate Reading Collection

Samba config problem

Below is the smb.conf file (imported from a tutorial in ubuntu forums) which is the only one that works for me partially. I am able to view my windows (XP) shared folders in the KDE dolphin manager in Networks ..However I am not able to mount the share ..I get the error "Could not resove address for host VIKRAM : Unknown error" where VIKRAM is the XP computer's name.
From the other perspective , If I share a Linux folder and try to search in Windows network neighbourhood , I am not able to view any folder in the linux box..If I give the IP address to map the drive , it gives the error "could not find //192.168.1.2"
I have tried changing DHCP to static in host , but still it doesnt resolve the issue.. I have also tried utils like SMB4K , XSMBROWSER and SWAT ..I cannot figure how to get the 2 computers to talk to each other..
I have followed the ArchWiki to the letter, but stilll the same problem.(in fact I have a dual boot of Arch and Ubuntu because these are the most popular in terms of package availability as If anything is not available in either , it is not available anywhere in Linux world)
Also , many times , I am being asked for a username and password in which nothing seems to work! i have added a user to samba and If I give that , its not going thru!
[global]
; General server settings
netbios name = YOUR_HOSTNAME
server string =
workgroup = YOUR_WORKGROUP
announce version = 5.0
socket options = TCP_NODELAY IPTOS_LOWDELAY SO_KEEPALIVE SO_RCVBUF=8192 SO_SNDBUF=8192
passdb backend = tdbsam
security = user
null passwords = true
username map = /etc/samba/smbusers
name resolve order = hosts wins bcast
wins support = yes
printing = CUPS
printcap name = CUPS
syslog = 1
syslog only = yes
; NOTE: If you need access to the user home directories uncomment the
; lines below and adjust the settings to your hearts content.
;[homes]
;valid users = %S
;create mode = 0600
;directory mode = 0755
;browseable = no
;read only = no
;veto files = /*.{*}/.*/mail/bin/
; NOTE: Only needed if you run samba as a primary domain controller.
; Not needed as this config doesn't cover that matter.
;[netlogon]
;path = /var/lib/samba/netlogon
;admin users = Administrator
;valid users = %U
;read only = no
; NOTE: Again - only needed if you're running a primary domain controller.
;[Profiles]
;path = /var/lib/samba/profiles
;valid users = %U
;create mode = 0600
;directory mode = 0700
;writeable = yes
;browseable = no
; NOTE: Inside this place you may build a printer driver repository for
; Windows - I'll cover this topic in another HOWTO.
[print$]
path = /var/lib/samba/printers
browseable = yes
guest ok = yes
read only = yes
write list = root
create mask = 0664
directory mask = 0775
[printers]
path = /tmp
printable = yes
guest ok = yes
browseable = no
; Uncomment if you need to share your CD-/DVD-ROM Drive
;[DVD-ROM Drive]
;path = /media/cdrom
;browseable = yes
;read only = yes
;guest ok = yes
[MyFiles]
path = /media/samba/
browseable = yes
read only = no
guest ok = no
create mask = 0644
directory mask = 0755
force user = YOUR_USERNAME
force group = YOUR_USERGROUP

I think I may be getting closer to the issue.. I am told that this error is becoz the name is not getting converted to IP and that giving IP address instead would solve the issue..This was told by my office network admin , but we have only NT server...So I do not understand how this would apply with Linux.
I dont remember If I ever did anything with the file /etc/hosts where I think you have to define the name and the IP... At the time of Arch install , I was a bit casual and didnt bother abt this part as at that time , there werent any necessity for a network
any hints?
Last edited by vikrang (2011-08-19 06:09:09)

[Solved] Network : static IP config

AKA Not Another Static IP Problem
Hi guys,
I'm trying to setup my network and guess what... it doesn't work
Well, i mean my Arch laptop won't.
The problem : i can't browse websites with the browser
Here are the configs :
/etc/rc.conf :
HOSTNAME="ArchX"
eth0="eth0 192.168.1.3 netmask 255.255.255.0 broadcast 192.168.1.255"
INTERFACES=(eth0)
gateway="default gw 192.168.1.1"
ROUTES=(gateway)
/etc/hosts
127.0.0.1 localhost.localdomain localhost ArchX
/etc/resolv.conf
nameserver 212.71.8.10
nameserver 212.71.0.33
* It works well when using dhcp instead of statip IP
* i can ping and access the router
* i can ping www.google.com
My guess :
In the wiki, there is this line in the /etc/resolv.conf file :
search example.com
And it says to replace it with my domain name
Could it be the problem and if so, how do i know my domain name ?
Is there something i'm missing ?
Thank in advance for your help
Last edited by Kronophage (2009-02-12 01:51:08)

Well... you know what ?
Posting to these forums has some kind of magical effect
I mean almost every time, i get the thing like 10-20 minutes after i hit "post".
And don't think i don't take the time to search answers and try several things, in this case i've been trying & searching for like 2 hours.
Now, i might be dumb... who knows...
Anyway, to give this post even the tiniest interest, i'll put the solution :
in /etc/resolv.conf
nameserver xxx.xxx.xxx.xxx
nameserver xxx.xxx.xxx.xxx
search localdomain #added this line
At least that did the trick for me...
Alright guys have a good day/night, i for myself am going back to pr0n surfing
ps: i double-post so that this thread doesn't stay unanswered.

Dual network (n/g) config problems

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