Cascaded Routers: BEFSR81 primary, WRT54GX2 secondary

I have had a Linksys, 8-port ethernet router for about 7 years and it works fine. I recently got a laptop with a Linksys WPC54GS pc-card wireless adapter. I purchased a Linksys WRT54GX2 wireless router for the laptop. I wanted to add (cascade) the wireless router to the ethernet router. I had a lot of trouble getting it to work, so, long story short, I spent a couple hours on the phone with Linksys support and here's what I learned: The proper wiring configuration is: High-speed internet connection connected to the ethernet (primary) router. Wireless (secondary)router connected to the ethernet router using a regular, numbered port on each. Don't use the "uplink" port on the primary router or the "ethernet" port on the wireless router. I have Windows XP on my laptop, so I needed to use WEP security, not WPA. As far as IP addresses for the routers, the subnet number (192.168.x.#, where x is the subnet) had to match. Disable DHCP and NAT on the wireless router. I did the initial configuration of the wireless router with an ethernet cable connected to the laptop. After that(turned off DHCP), getting to the internal configuration page on the wireless router over the ethernet cable required a static IP address with the default gateway set to the IP address of the wireless router. Now that the entire system is up and running, I can get to the wireless router config page wirelessly using a DHCP address, static address not required. Hope all this helps someone, sometime. -J

Thank you for sharing your experience and information. Hope it will help many users.

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Is possible to have a time machine backup on an external hd connected to either a primary or secondary router and not have "back to my mac" using 10.7.3?

Is possible to have a time machine backup on an external hd connected to either a primary or secondary router and not have "back to my mac" using 10.7.3?

The bottom line is that Apple does not support Time Machine backups at the USB port of the AirPort Extreme. If they don't support their own router, they certainly don't support other routers from other manufacturers.
Connect the drive directly to the Mac using either USB or FireWire.....or....use a Time Capsule. Either of these setups will be supported.
If you want to try the unsupported method(s), you can certainly do so. But, I would suggest that you have a secondary backup plan in place if this is important data that you will be backing up.

Need help with sorting records in primary and secondary databases

Hi,
I would like to store data into primary and secondary db in different order. For the main primary, I want it to be ordered by login_ts instead of uuid which is the key.
For the user secondary database, I want it to be ordered by sip_user. For the timestampe secondary db, I want it to be ordered by login_ts.
This is what I have right now,
this is for main
uuid=029ae227-a188-4ba8-aea4-7cbc26783d6 sip_user=200003 login_ts=1264327630 logout_ts=
uuid=22966f76-8c8a-4ab4-b832-b36e8f8e14d sip_user=200003 login_ts=1264327688 logout_ts=
uuid=e1846e4a-e1f5-406d-b903-55905a2533a sip_user=200003 login_ts=1264327618 logout_ts=
uuid=e2f9a3cb-02d1-47ff-8af8-a3a371e20b5 sip_user=200003 login_ts=1264327613 logout_ts=
this is for user search
uuid=029ae227-a188-4ba8-aea4-7cbc26783d6 sip_user=200003 login_ts=1264327630 logout_ts=
uuid=22966f76-8c8a-4ab4-b832-b36e8f8e14d sip_user=200003 login_ts=1264327688 logout_ts=
uuid=e1846e4a-e1f5-406d-b903-55905a2533a sip_user=200003 login_ts=1264327618 logout_ts=
uuid=e2f9a3cb-02d1-47ff-8af8-a3a371e20b5 sip_user=200003 login_ts=1264327613 logout_ts=
this is for timestamp
uuid=029ae227-a188-4ba8-aea4-7cbc26783d6 sip_user=200003 login_ts=1264327630 logout_ts=
uuid=22966f76-8c8a-4ab4-b832-b36e8f8e14d sip_user=200003 login_ts=1264327688 logout_ts=
uuid=e1846e4a-e1f5-406d-b903-55905a2533a sip_user=200003 login_ts=1264327618 logout_ts=
uuid=e2f9a3cb-02d1-47ff-8af8-a3a371e20b5 sip_user=200003 login_ts=1264327613 logout_ts=
but what I want is :
this is for main
uuid=e2f9a3cb-02d1-47ff-8af8-a3a371e20b5 sip_user=200003 login_ts=1264327613 logout_ts=
uuid=e1846e4a-e1f5-406d-b903-55905a2533a sip_user=200004 login_ts=1264327618 logout_ts=
uuid=029ae227-a188-4ba8-aea4-7cbc26783d6 sip_user=200003 login_ts=1264327630 logout_ts=
uuid=22966f76-8c8a-4ab4-b832-b36e8f8e14d sip_user=200005 login_ts=1264327688 logout_ts=
this is for user search
uuid=e2f9a3cb-02d1-47ff-8af8-a3a371e20b5 sip_user=200003 login_ts=1264327613 logout_ts=
uuid=029ae227-a188-4ba8-aea4-7cbc26783d6 sip_user=200003 login_ts=1264327630 logout_ts=
uuid=e1846e4a-e1f5-406d-b903-55905a2533a sip_user=200004 login_ts=1264327618 logout_ts=
uuid=22966f76-8c8a-4ab4-b832-b36e8f8e14d sip_user=200004 login_ts=1264327688 logout_ts=
this is for timestamp
uuid=e2f9a3cb-02d1-47ff-8af8-a3a371e20b5 sip_user=200003 login_ts=1264327613 logout_ts=
uuid=e1846e4a-e1f5-406d-b903-55905a2533a sip_user=200003 login_ts=1264327618 logout_ts=
uuid=029ae227-a188-4ba8-aea4-7cbc26783d6 sip_user=200004 login_ts=1264327630 logout_ts=
uuid=22966f76-8c8a-4ab4-b832-b36e8f8e14d sip_user=200004 login_ts=1264327688 logout_ts=
Right now, I have:
int compare_login_ts(dbp, a, b)
     DB *dbp;
     const DBT a, b;
     int time_a = 0;
     int time_b = 0;
     time_a = atoi ( (char *)a->data);
     time_b = atoi ( (char *)b->data);
     return time_a - time_b ;
for the timestamp secondary, I set that compare function:
          if ((ret = (*sdb)->set_bt_compare(*sdb , compare_login_ts )) != 0){
Does anyone know how can I make it sorted according?

Hi,
The DB->set_bt_compare() is used to compare keys in Btree database. In the callback function, both the DBTs are key, but not data. Please refer to http://www.oracle.com/technology/documentation/berkeley-db/db/api_reference/C/dbset_bt_compare.html.
If you want any field in the data to be sorted, you might create a secondary index on it and define the compare function as you wish.
Regards,
Emily Fu, Oracle Berkeley DB

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Recently I picked up a Magic Mouse and have since found some very strange things that I don't know how to fix:
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I looked around in settings and couldn't find anything regarding this matter. I fiddled with some stuff but never got it working properly.
Feedback much appreciated!
--Justin

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Hi Experts
can you please tel me the steps involved in creation of primary and secondary database? This is the first time i am going to configure this setup. Please provide your helping hands.
Thanks alot in advance,
Ram

Absolutely glad to help.
Step 1: Clarify what it is you are trying to build. Are you talking about a Standby Database? Perhaps Physical or Logical Data Guard? If so what protection mode? Stand-alone or RAC? Or are you just trying to dup an existing database on another server in which case you can just use RMAN.
Step 2: Go to http://tahiti.oracle.com and read the relevant docs
Step 3: Go to http://metalink.oracle.com and look at the Knowledge Base docs
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Opening ports on cascading routers

hello everyone this is my first time here so hopefully I'll post up all the info you need the first time. I have 2 wrt54g routers cascading off of each other. The first wrt54g(#1) is connected directly to my cable modem the wrt54g(#2) is connected to wrt54g(#1) by a cable running from the Lan port on wrt54g(#1) to the WAN port on wrt54g(#2). All devices connected to both routers work fine except my Xbox360 that's connected to my wrt54g(#2). I can get onto xbox live but my Nat setttings are set to moderate keeping me from finding alot of games online. What I need to do is get ports 3074 & 88 open but I can't figure out how to do this with the cascading routers. How would I go about opening those ports? Do I need to give you more information?

As you have 2 Wireless Router and they are setup in a 2 Different Networks, If you open the ports on your 2nd router, your 1st Router will Block the Ports for XBOX. So i think in this case you need to Open the Ports on your Both the Routers.
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Cascaded routers: no internet access when second router not use NAT

Cascaded routers: no internet access when second router not use NAT
Here is my setup:
[pre]
WAN
|
| 74.96.170.x (WAN IP) |
| Router1(Verizon FiOS Router) |
| Model: MI424WR-GEN2 (Rev F) |
| Firmware: 20.21.0.2 |
| Def router: 74.96.170.1 |
| 192.168.1.1 (Local IP) |
|
| 192.168.1.22 (WAN IP) |
| Router2(Linksys) |
| Model: WRT54GL v1.1 |
| Firmware: v4.30.16 |
| Def Router: 192.168.1.1 |
| 192.168.2.1 (Local IP) |
|
| Computer 192.168.2.160 |
| Def Router: 192.168.2.1 |
"q.route" 120L, 4441C written
[m.wang@m-wang-ltm2:/Users/m.wang/m/Network]
$ more q.route
Cascaded routers: no internet access when second router not use NAT
Here is my setup:
[pre]
WAN
|
| 74.96.170.x (WAN IP) |
| Router1(Verizon FiOS Router) |
| Model: MI424WR-GEN2 (Rev F) |
| Firmware: 20.21.0.2 |
| Def router: 74.96.170.1 |
| 192.168.1.1 (Local IP) |
|
| 192.168.1.22 (WAN IP) |
| Router2(Linksys) |
| Model: WRT54GL v1.1 |
| Firmware: v4.30.16 |
| Def Router: 192.168.1.1 |
| 192.168.2.1 (Local IP) |
|
| Computer 192.168.2.160 |
| Def Router: 192.168.2.1 |
| NO iptables, basic setup |
[/pre]
On computer, I have:
[pre]
# route
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
default 192.168.2.1 0.0.0.0 UG 2 0 0 enp2s0
loopback localhost 255.0.0.0 UG 0 0 0 lo
192.168.2.0 * 255.255.255.0 U 0 0 0 enp2s0
[/pre]
On Router2, I have:
[pre]
Routing Table Entry List
Destination LAN IP | Subnet Mask | Gateway | Hop Count | Interface
192.168.2.0 255.255.255.0 0.0.0.0 1 LAN & Wireless
192.168.1.0 255.255.255.0 0.0.0.0 1 WAN (Internet)
0.0.0.0 0.0.0.0 192.168.1.1 1 WAN (Internet)
[/pre]
Router2's Operating Mode is Gateway. On Router1, I have:
[pre]
[Router1] Routing Table
Name Destination Gateway Netmask Metric Status
Network (Home/Office) 192.168.2.0 192.168.1.22 255.255.255.0 0 Applied
Network (Home/Office) 192.168.1.0 192.168.1.1 255.255.255.0 0 Applied
Routing Protocol: Internet Group Management Protocol (IGMP)
Default Gateway: 74.96.170.1
[/pre]
On computer, I can run tcptraceroute to yahoo.com OK:
[pre]
# tcptraceroute yahoo.com
Selected device enp2s0, address 192.168.2.160, port 46596 for outgoing packets
Tracing the path to yahoo.com (206.190.36.45) on TCP port 80 (http), 30 hops max
1 192.168.2.1 0.610 ms 0.729 ms 0.735 ms
2 192.168.1.1 1.843 ms 1.378 ms 1.363 ms
3 l100.washdc-vfttp-107.verizon-gni.net (96.241.146.1) 13.620 ms * *
... /* It reached the destination. */
[/pre]
I want to change Router2's Operating Mode from "Gateway" to "Router" because I
want to turn off NAT on Router2 so that I can access all computers attached to
Router2 by their individual IP instead of using port forwarding at Router2.
The problem is after the mode change from "Gateway" to "Router", and regardless
whether I disable RIP or enable RIP, and on what interfaces it is enabled, computer
192.168.2.160 does not have internet connection.
Observations:
[0] INTRAnet works as I can reach computer 192.168.2.160 from computer behind Router1
192.168.1.x and vice versa.
[1] ping and traceroute *work* on Router2 itself using the built-in dianostic tool.
[2] nslookup on computer 192.168.2.160 always works on new lookup. It uses
192.168.2.1 as the resolver.
[3] tcptraceroute stops after step 2:
[pre]
# tcptraceroute yahoo.com
Selected device enp2s0, address 192.168.2.160, port 45999 for outgoing packets
Tracing the path to yahoo.com (98.139.183.24) on TCP port 80 (http), 30 hops max
1 192.168.2.1 2.553 ms 0.534 ms 0.638 ms
2 192.168.1.1 1.342 ms 0.964 ms 0.867 ms
3 * * *
[/pre]
[4] tcpdump shows that computer 192.168.2.160 tries to reach out and nothing is returned:
[pre]
13:34:03.172828 IP 192.168.2.160.45999 > 98.139.183.24.http: Flags [S], seq 1122548929, win 0, length 0
13:34:06.175786 IP 192.168.2.160.45999 > 98.139.183.24.http: Flags [S], seq 1122548929, win 0, length 0
13:34:09.178804 IP 192.168.2.160.45999 > 98.139.183.24.http: Flags [S], seq 1122548929, win 0, length 0
[/pre]
This is not expected because NAT to internet should still be done by Router1, no? Computer
behind Router1 with IP 192.168.1.x has internet connection.
[5] It looks like I cannot change the Routing Table Entry on Router2. I do not think I need to change anything,
just an observation.
[6] If I use LAN to LAN connection, then both intranet and internet works. [The internet IP of Router2 can be
anything not in the same subnet of the Router1, and DHCP on the local side should be disabled to avoid conflict
with the the DHCP on Router1].

I have a question. Unfortunately in order to ask my question, I have to have a lengthy description of my setup. Basically, I have a second Linksys router in "router" operating mode with NAT disabled connected to the Verizon router, and I have a computer which is in a different subnet (192.168.2.x) behind the Linksys router. This computer can communicate with computers behind Verizon router in subnet (192.168.1.x), but cannot reach internet. This is a simplified version of my question, full details are in the original post.
If I setup the Linksys router in "gateway" operating mode, which means with NAT enabled, then both intranet and internet works, but there is no easy way to setup port forwarding for 10 compueters in 192.168.2.x network to communicate with 10 computers in 192.168.1.x network.
If I setup the Linksys router in a LAN to LAN configuration with Verizon routers, but this way all computers are in the same subnet, I want them to be in different subnet for access control and things like that.
I hope this makes things a little clear.
Thanks.

Is it possible to set primary and secondary display with 2 graphics cards?

I have an Early 2008 Mac Pro with two graphics cards and four monitors installed. Does anyone know how the computer (or more specifically Keynote) determines which is the primary display and which is the secondary?
Also is there any way to change the scheme?
What I am trying to do is switch the primary and secondary from the two monitors in my office to the monitor at the podium (would like it to become primary) and a vga projector (would like it to become secondary)
I bought the second graphics card so I wouldn't have to switch the cables back and forth three times a week. All the monitors work fine, it's just a matter of determining or changing primary/secondary
Thanks in advance

Thanks Malcolm
I got that far – The keynote manual says that the display with the menu bar is the primary display – that works out fine. The problem is that the manual says that the display without the menu bar is the secondary (or alternate). But there are three displays without the menu bar.
What I would like to find out is: is there a way to choose the display without the menu bar to be the alternate?
When I try various combinations, there seems to be no rhyme or reason as to which display is the alternate.
Thanks again for your response!

I reset my IPAD password but the verification email wasn't sent to my primary or secondary email address. Without the verification email I can't complete the password change process. Any recommendations?

I reset my IPAD password but the verification email wasn't sent to my primary or secondary email address. Without the verification email I can't complete the password change process. Any recommendations?

Great tip from dorothy. Also, some isp services are more aggressive from others in filtering what they think might be spam. You might check your spam file from a computer, and see if the verification e mails are sitting there. When i wen through the process, the verification e mail came to the new e mail address in under a couple of minutes.

Question about Berkeley DB Primary Index/Secondary Index in DPL package

We are using DPL package for BDB access.
My question is about memory consumption by Primary or Secondary Index. We are using BDB only for Read Purposes
e.g. Let's say if we are using BDB to store 250GB of Raw Data (which will translate to .jdb files which will have all indexes). Each box is having around 32GB memory.
1) So when we call method store.getPrimaryIndex(....) or Create Secondary Index; how much size these Indexes will take up in memory ?
2) Is it advisable to keep these Indexes in memory all the time ?
Thanks,

I have a couple caveats to add on DbCacheSize.
1) It is an estimate, and for ordinary databases (without duplicate keys) is an upper bound.
2) For databases with duplicate keys (in the DPL these are MANY_TO_ONE and MANY_TO_MANY secondary indices), it is incorrect and can be used as a lower bound.
So it gives only a rough estimate. If you need an accurate number, write a DPL-based program that creates a realistic data set and look at EnvironmentStats.getCacheTotalBytes to see how much memory is used prior to any eviction occurring, which is indicated byEnvironmentStats.getNEvictPasses. Use a machine that has as much memory as possible, set the Java heap size and the JE cache size to the maximum possible, and create the data set as close as possible to the size you expect in production.
2) Is it advisable to keep these Indexes in memory all the time ?Yes. The FAQ has multiple entries on this topic in the performance section.
--mark

How to bind the Zero line between a primary and secondary Y axis?

All -
We are using combination charts with:
- primary and secondary Y axis (Sales versus Volume).
- Scale: Auto (Y) Axis
- Linear
- Fixed Label Size
In instances where one axis has a negative value and the value ranges are diverse the Zero line will be different for both. This causes some confusion when trying to read. Other that putting in manual (Y) axis with min and max, is there a way to force the chart to keep the same Zero line?
Thanks!

KOENIG Yvan wrote:
It's quite a basic requirement for a spreadsheet program
It's your point of view. It seems that it's not the designers's one
Obviously, true
The number of different features described once as "a basic requirement" is really amazing but a feature asked once is perhaps not one which must be added to a program like Numbers.
Other tools are available for professional numbers crunchers .
I know there are other threads asking about secondary axes, but your point is taken. I'm definitely not a number cruncher, but I am/was a pretty advanced Excel user.
_Go to "Provide Numbers Feedback" in the "Numbers" menu_, describe what you wish.
Then, cross your fingers, and wait _at least_ for iWork'09
Thanks for that, I didn't quite know where to go for the feedback - provided and fingers crossed.
Cheers!

Can't find my DNS Primary and Secondary

Dear God, I need my DNS primary and secondary. I'm trying to set my xbox 360 up with it's own ip ect. I've gone to my airport to get this information but my DNS is the same as the IPv4 router. My xbox requires a DNS primary and secondary. The only thing I can find for my DNS is a Domain Name and Server address: 10.0.1.1 Do I put this number in my xbox for the DNS with no secondary?

I think your router is not configured properly for your internet connection. Router is not giving out a valid DNS to the computers because it cannot obtain it (dns) from the modem. Is your connection Cable or DSL?

Primary and secondary Email accounts

Hello,
Is there a way to specify primary and secondary email account ? In case if the primary server is down, the secondary server would be used for sending the notification.
Thanks.

I am implementing something similar to what you have suggested. I was wondering if there is a way to achieve this by just changing configuration. Looks like it is not possible to configure it and coding it is the only way out.
Thanks for your inputs :)

Windows 8.1 screen bounces between primary and secondary monitors

I have a Lenovo T530 laptop with a docking station and a IBM monitor L200P attached to it.
Up until yesterday, this configuration was running Windows 8 Pro with no issues.
However today, after I installed the Windows 8.1 upgrade, I started having problems with the screen bouncing between the primary and secondary monitors without my intervention. The problem happens very regularly, regardless of whether I have selected the laptop as primary monitor or the IBM monitor attached to the docking station.
I verified that the problem does not happen with Windows 7 and Windows 8 installation and only starts appearing after the Windows 8.1 upgrade is applied.
Does anybody have similar problems
Thank you in advance.

O''philipp [[#answer-697652|said]]''
<blockquote>
another thing you could try is this: enter '''about:config''' into the firefox address bar (confirm the info message in case it shows up) & search for the preference named '''layout.css.devPixelsPerPx'''.
double-click it and change its value to '''1.2''' (or any other zoom factor that fits your purpose: 1.0 relates to 100%, 1.2 equals 120% and so on; -1.0 is the default value and will adhere to the system settings).
</blockquote>
Okay, I tried it, set it to 1.2 and even more stuff got blurry and fuzzy. Besides everything in the FF menu bar everything in the header on youtube and a few other pages did it too. It did make the pages fill the actual page better, but the blur is worse than this prob so I set it back to -1.0.
Any other ideas?

Cascaded Routers: BEFSR81 primary, WRT54GX2 secondary

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