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  • Connecting switch to switch to router

    - by elated
    Hello, Not sure if this is the right place to ask this question. But I have a router which connects to the internet. Now I have a switch connected to this router. I added a lot more computers so I added another switch and connected it to the first switch using a cross-over cable. As soon as I connect it to the first switch, my lights in first switch start blinking like crazy and my entire network simply stops working. The minute I remove the second switch's wire, its all fine again. What could be the problem?

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  • Port Forwarding on Actiontec GT704-WG Router Issues

    - by adamweeks
    I am trying to setup a server at customer's location that has the Actiontec GT704-WG DSL router. The port forwarding it not working at all. Here's the details: Server: OpenSuse Linux box with a static IP address of 192.168.1.200 Application running accepting connections on port 8060 Firewall disabled Local connections (within the network) working properly Router: Updated to latest firmware available DHCP range set to 192.168.1.69-192.168.1.199 to not have any conflicts with the server Firewall set to "off" Rule set in the "Applications" setting to forward 8060 TCP and UDP to 192.168.1.200 machine (I've tried using the "TCP,UDP" option as well as both individual options) I've also tried just simply putting the server in the DMZ to see if I could connect to anything, but still nothing. Looking for any clues before I call and waste hours explaining the issue to tech support.

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  • Ubuntu based VPN server behind NAT router?

    - by maartenn88
    I have a small intranet- and file-server inside our company, which can only be reached from inside our own network. I'd like to be able to reach the intranet and files on the server from outside the network, however I don't really like the idea of completely opening security by forwarding the ports on our NAT-router, so I'd prefer to enable a VPN possibility for this. So I have a router, which is the DHCP server and has NAT function, and I have an Ubuntu Server with the files and intranet on it. How do I configure these two so that I can make a VPN connection with my network in order to reach the server? thanks in advance for any answer!

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  • belkin wireless router connection drops for ~60sec every ~15 mins

    - by j j
    Hi, I have a belkin wireless-g router, model F5D7230-4. about every 10-15 minutes, for about 1-1.5 mins I won't be able to browse any web sites. during this period, I usually get replys from "ping google.com". maybe 4/5 times I'll get a reply, 1/5 times i don't. I have changed the router DNS entries from "get DNS server from ISP" to 8.8.8.8, google's DNS and that hasn't fixed the situation. This happens on several computers, running windows7, xp, ubuntu, and a mac, so it is definitely NOT an issue with a computer configuration. any ideas?

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  • Remote desktop from internet to windows 7 box via linksys router

    - by larryq
    Hi everyone, I have a linksys wrt54g router and a windows 7 box at home I'd like to be able to remote desktop into from work. Would it be possible for someone to point me in the right direction on what I need to configure to get this working, both on the router and on the win 7 box? I'm sure there are a lot of little steps involved. Ideally I'd like to set it up so that only my work IP address can get through to the win 7 machine. Thanks very much for any pointers and links!

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  • Set Up Port-Forwarding on Netgear N300 Router

    - by Smitty
    I have a Netgear N300 router that has DynDNS.org as a preset DDNS option. After setting it up it (unsurprisingly) sent traffic directly to my router. I'm essentially using this to connect remotely to my home (virtual) machine/s. From what I've read, it seems like I need to set up port forwarding. I tried forwarding "all" inbound traffic to a specific IP but that just didn't work. What am I doing wrong? Also, I just noticed I get this error after applying the settings: "The specified port(s) are being used by other configurations. Please check your configurations of Remote Management, Port forwarding, Port Triggering, UPnP Port Mapping table, RIP, and Internet connection type"

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  • Computer Loses connection to router

    - by ajon
    I have a new Windows 8 Dell XPS desktop computer at work. It has a Dell Wireless 1703 802.11 b/g/n (2.4ghz) wireless adapter. sporadically throughout the day I lose internet connectivity. When I click on the wireless system tray icon, my companies router does not appear in the list. No other computer on the network is losing connection, only this one. I don't even know what to check. Could it be an ip conflict that causes me to get booted off? (I use DHCP), but why wouldn't my computer be able to see the network. The next time it happens I will see what happens when I try to access the router directly.

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  • Ping reply not getting to LAN machines but getting in Linux router Gateway

    - by Kevin Parker
    I have configured Ubuntu 12.04 as Gateway machine.its having two interfaces eth0 with ip 192.168.122.39(Static) and eth1 connected to modem with ip address 192.168.2.3(through DHCP). ip-forwarding is enabled in router box. Client machine is configured as: ip address 192.168.122.5 and gateway 192.168.122.39 Client machines can ping router box(192.168.122.39).but when pinged 8.8.8.8 reply is not reaching Client machines but in the tcpdump output on gateway i can see echo request for 8.8.8.8 but never echo reply.Is this because of 122.5 not forwarding request to 2.0 network.Can u please help me in fixing this.

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  • Windows 7 Won't connect to Wireless Router too far away (but still have 3 bars)

    - by Kerry
    I have found this problem a couple of times. Windows 7 with Intel AGN 5100 won't connect to a WPA2-PSK router when it's too far away. Both times I've had this happen I was in a foreign country (London and Stockholm), and both times I was upstairs while the router was downstairs. Now, it still has 2-3 bars when looking at local WiFi, but I get the "will not connect" error, and debugging doesn't help at all (it doesn't know what's wrong). I went downstairs and it connected immediately (but I need to be able to have it upstairs). My Android Cell Phone and iPad were able to connect upstairs just fine. Any suggestions?

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  • how to communicate in typical router switch router scenario?

    - by Kossel
    I'm learning routing using packet tracer simulation and I think this is a very commun scenario: let's say pc4 is the server... why I can't ping from PC1 to 192.168.2.253 (router1) but I can ping 192.168.2.2 (pc0) aren't they the same subnet? what am I missing or have to do in order to reach pc4? (192.168.100.254) from pc 1 (192.168.1.1) is there something like "default gateway" for router? thanks for advice PS: during the simulation it shows error "The routing table does not have a route to the destination IP address. The router drops the packe (from 192.168.2.253 to 192.168.1.1)"

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  • How can I tell if a host is bridged and acting as a router

    - by makerofthings7
    I would like to scan my DMZ for hosts that are bridged between subnets and have routing enabled. Since I have everything from VMWare servers, to load balancers on the DMZ I'm unsure if every host is configured correctly. What IP, ICMP, or SNMP (etc) tricks can I use to poll the hosts and determine if the host is acting as a router? I'm assuming this test would presume I know the target IP, but in a large network with many subnets, I'd have to test many different combinations of networks and see if I get success. Here is one example (ping): For each IP in the DMZ, arp for the host MAC Send a ICMP reply message to that host directed at an online host on each subnet I think that there is a more optimal way to get the information, namely from within ICMP/IP itself, but I'm not sure what low level bits to look for. I would also be interested if it's possible to determine the "router" status without knowing the subnets that the host may be connected to. This would be useful to know when improving our security posture.

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  • pfSense router gives DNS rebinding warning when accessing subdomains

    - by Richard Maddis
    I have just set up a router running pfSense on our network and forwarded the appropriate ports. I have a small web server running in my network, and a domain name pointing to our (WAN) IP. When accessing that domain name, everything works fine. However, when accessing a subdomain of the domain name, pfSense will give a DNS rebinding warning. This did not happen back when I used a DD-WRT router. What is the proper way to fix this? The DNS records for the subdomain also point to the same address (I use a virtual server to differentiate the subdomains.)

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  • Windows Server 2003 Router, Good approach [closed]

    - by jM2.me
    Possible Duplicate: Windows Server 2003 Router with PortForwarding Situation We have Verizon Fios 25/25 Internet Connection, Server acting as a router, and around 12 office computers. Task Portforward port 29000 from office computer. Problem Once I connected wan and lan cables I just had to set static lan ip (on server) and plug in switch with office computers into second nic. Then just right click on wan nic and select share internet connection. All office computers were assigned with an IP address 192.168.0.XXX and Gateway 192.168.0.1 (server). Now I have to open port and portfoward it from computer 192.168.0.190 (static ip, manual). Using this guide http://www.rosscode.com/blog/index.php?title=port_forwarding_in_windows_2003&more=1&c=1&tb=1&pb=1 I faced a problem. Before enabling "RRA" I had to unshare internet connection (wan interface) and was able to setup network. Now how do I setup a network within "RRA" and share internet with private network? Thank you much

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  • Cannot Access Server from External IP (Router)

    - by mindoftea
    We have an Ubuntu 10.04 LAMP server running on site (Apache is on port 80). It is running fine through the LAN, but I cannot access it using its external IP address through the Netopia 3000 Series modem by which it is connected to the internet. I have tried using what Netopia calls "Pinholes" (Port Forwarding) to make the server accessible, but a telnet to the external address just gives me "connect to address x.x.x.x: Operation timed out." I have also tried enabling "Services" and "IP Passthrough" on the router, but it gives the same result as above. How can I enable the server to be accessed through its external IP address? Because it connects fine locally, it would seem to be a problem with the Netopia router. Update: Booting the server in GUI mode instead of text mode solved the problem instantly. Any ideas why?

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  • Windows 7 cannot connect wirelessly to Netgear Router WPN824 V2

    - by edo152
    I have a new HP Laptop running Win 7 Home Premium with an Atheros Wireless card. I have a Negear WPN824 V2 Rangemax Router. The router works with a wired connection. Wirelessly it can see the network but it cannot connect. I have searched the web and the WPN824 seems to work for some people, but I cannot get it to connect. I have tried disabling Bonjour Service and a few other things but it continues not to connect. Am I probably correct to assume that the WPN824 is somehow incompatible with Wiondows 7? or am I missing some simple change I should make?

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  • Can a Cisco 3550 be used as router?

    - by kubiej21
    I'm not sure if this is the correct place to ask such a question, but I'll give it a shot anyway. If it isn't, let me know, and I'll remove this post. Anyway, very recently I picked up a Cisco 3550 just to play around with networking and to familiarize myself with Cisco's command line configuration due to the fact that I will be working an electrical engineering internship in which I will have to deal with various networking issues (yes, I agree that a CSNA would be much better suited for this task, but since its part of the job requirements, I'm willing to learn about it). What I was wondering, is whether or not my 3550 can act as a router. I know its a L3 switch, but does that mean it can take the place of a router?

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  • Navigating back to "Home" from an area (MVC2)

    - by SlackerCoder
    I have a few areas in my application that are relatively independent (all navigated to from the master page). So, as of now, I am simply using the "default" MVC2 template (the one you get when you create a new MVC2 project). So the menu looks like this: HOME AREA1 AREA2 AREA3 AREA4 .... ABOUT Now, when I first load up the page, I am on the "HOME", and I can click on the ABOUT without issue. I can navigate to any of the areas as well, however, once I navigate to an area page, I cannot get back to my home or about pages (404 not found). When I navigate to them, and click on about, the address bar shows .../AreaX/Home/Home instead of Home/Home as I would expect. I expect that is has something to do with my routing, but Im not completely sure. I have added/changed nothing with the default routing (which is probably the issue!). Any thoughts?

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  • The Evolution of Television and Home Entertainment

    - by Bill Evjen
    This is a group that is focused on entertainment in the aviation industry. I am attending their conference for the first time as it relates to my job at Swank Motion Pictures and what we do for our various markets. I will post my notes here. The Evolution of Television and Home Entertainment by Patrick Cosson, Veebeam TV has been the center of living rooms for sometime. Conversations and culture evolve around the TV. The way we consume this content has dramatically been changing. After TV, we had the MTV revolution of TV. It has created shorter attention spans, it made us more materialistic, narcissistic, and not easily impressed. Then we came to the Internet. The amount of content has expanded. It contains a ton of user-generated content, provides filtering, organization, distribution. We now have a problem. We are in the age of digital excess. We can access whatever we want. In conjunction with this – we are moving. The challenge we have now is curation. The trends  we see: rapid shift from scheduled to on demand consumption. A move to Internet protocols from cable Rapid fragmentation of media a transition from the TV set to a variety of screens Social connections bring mediators and amplifiers. TiVo – the shift to on demand It is because of a time-crunch Provides personal experiences Once old consumption habits are changed, there is no way back! Experiences are that people are loading up content and then bringing it with them on planes, to hotels, etc. Rapid fragmentation of media sources Many new professional content sources and channels, the rise of digital distribution, and the rise of user-generated content contribute to the wealth of content sources and abundant choice. Netflix, BBC iPlayer, hulu, Pandora, iTunes, Amazon Video, Vudu, Voddler, Spotify (these companies didn’t exist 5 years ago). People now expect this kind of consumption. People are now thinking how to deliver all these tools. Transition from the TV set to multi-screens The TV screen has traditionally been the dominant consumption screen for TV and video. Now the PC, game consoles, and various mobile devices are rapidly becoming common video devices. Multi-screens are now the norm. Social connections becoming key mediators What increasingly funnels traffic on the web, social networking enablers, will become an integral part of the discovery, consumption and sharing model for Television. The revolution will be broadcasted on Facebook and Twitter. There is business disruption There are a lot of new entrants Rapid internationalization Increasing competition from existing media players A fragmenting audience base Web browser Freedom to access any site The fight over the walled garden Most devices are not powerful enough to support a full browser PC will always be present in the living room Wireless link between PC and TV Output 1080p, plays anything, secure Key players and their challenges Services Internet media is increasingly interconnected to social media and publicly shared UGC Content delivery moving to IPTV Rights management issues are creating silos and hindering a great user experience and growth Devices Devices are becoming people’s windows into all kinds of media from all kinds of sources There won’t be a consolidation of the device landscape, rather the opposite Finding the right niche makes the most sense. We are moving to an on demand world of streaming world. People want full access to anything.

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  • Accessing home directory hangs

    - by Jeff
    Occasionally my laptop will hang when trying to access my home directory. The only fix so far is to reboot and then it goes away for a week. /var/log/kern.log has the following error: Nov 21 13:54:39 Laptop1 kernel: [231480.428107] INFO: task ls:10104 blocked for more than 120 seconds. Nov 21 13:54:39 Laptop1 kernel: [231480.428114] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Nov 21 13:54:39 Laptop1 kernel: [231480.428120] ls D f5dbf6a0 0 10104 9964 0x00000004 Nov 21 13:54:39 Laptop1 kernel: [231480.428130] f3edbd40 00000086 00000001 f5dbf6a0 00000000 00000001 c175dfe0 c1868ec0 Nov 21 13:54:39 Laptop1 kernel: [231480.428145] c1868ec0 054eadaf 0000d250 f5005ec0 ee940cc0 f3e5b300 f3edbcf8 c10e8bfa Nov 21 13:54:39 Laptop1 kernel: [231480.428159] f3edbd10 f3edbd10 f3edbd10 c102b505 fffba7e8 089fa000 f3edbd38 c10fb528 Nov 21 13:54:39 Laptop1 kernel: [231480.428173] Call Trace: Nov 21 13:54:39 Laptop1 kernel: [231480.428189] [<c10e8bfa>] ? lru_cache_add_lru+0x2a/0x50 Nov 21 13:54:39 Laptop1 kernel: [231480.428199] [<c102b505>] ? __kunmap_atomic+0x75/0xa0 Nov 21 13:54:39 Laptop1 kernel: [231480.428207] [<c10fb528>] ? do_anonymous_page+0x1f8/0x280 Nov 21 13:54:39 Laptop1 kernel: [231480.428218] [<c152b656>] __mutex_lock_slowpath+0xc6/0x120 Nov 21 13:54:39 Laptop1 kernel: [231480.428225] [<c152b304>] mutex_lock+0x24/0x40 Nov 21 13:54:39 Laptop1 kernel: [231480.428246] [<f83ab87c>] cifs_reconnect_tcon+0x13c/0x2a0 [cifs] Nov 21 13:54:39 Laptop1 kernel: [231480.428255] [<c152fa00>] ? vmalloc_fault+0xee/0xee Nov 21 13:54:39 Laptop1 kernel: [231480.428262] [<c152fc2f>] ? do_page_fault+0x22f/0x4a0 Nov 21 13:54:39 Laptop1 kernel: [231480.428276] [<f83abe3c>] smb_init+0x2c/0x90 [cifs] Nov 21 13:54:39 Laptop1 kernel: [231480.428285] [<c11aa42e>] ? ext4_htree_store_dirent+0x2e/0x120 Nov 21 13:54:39 Laptop1 kernel: [231480.428301] [<f83b0941>] CIFSSMBQPathInfo+0x41/0x210 [cifs] Nov 21 13:54:39 Laptop1 kernel: [231480.428319] [<f83c39e4>] ? cifs_get_inode_info+0x224/0x390 [cifs] Nov 21 13:54:39 Laptop1 kernel: [231480.428336] [<f83c3a21>] cifs_get_inode_info+0x261/0x390 [cifs] Nov 21 13:54:39 Laptop1 kernel: [231480.428354] [<f83bb35d>] ? build_path_from_dentry+0xcd/0x250 [cifs] Nov 21 13:54:39 Laptop1 kernel: [231480.428362] [<c102b69e>] ? kmap_atomic_prot+0xde/0x100 Nov 21 13:54:39 Laptop1 kernel: [231480.428370] [<c152c4cd>] ? _raw_spin_lock+0xd/0x10 Nov 21 13:54:39 Laptop1 kernel: [231480.428388] [<f83c6378>] ? _GetXid+0x58/0x80 [cifs] Nov 21 13:54:39 Laptop1 kernel: [231480.428405] [<f83c4f81>] cifs_revalidate_dentry_attr+0x111/0x1a0 [cifs] Nov 21 13:54:39 Laptop1 kernel: [231480.428423] [<f83c50e2>] cifs_getattr+0x52/0x120 [cifs] Nov 21 13:54:39 Laptop1 kernel: [231480.428431] [<c112c5b2>] vfs_getattr+0x42/0x70 Nov 21 13:54:39 Laptop1 kernel: [231480.428448] [<f83c5090>] ? cifs_revalidate_dentry+0x40/0x40 [cifs] Nov 21 13:54:39 Laptop1 kernel: [231480.428455] [<c112c647>] vfs_fstatat+0x67/0x80 Nov 21 13:54:39 Laptop1 kernel: [231480.428461] [<c112c680>] vfs_lstat+0x20/0x30 Nov 21 13:54:39 Laptop1 kernel: [231480.428468] [<c112c946>] sys_lstat64+0x16/0x30 Nov 21 13:54:39 Laptop1 kernel: [231480.428475] [<c11341ed>] ? link_path_walk+0x79d/0x8a0 Nov 21 13:54:39 Laptop1 kernel: [231480.428483] [<c152c8e4>] syscall_call+0x7/0xb

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  • Home PBX to answer/take external calls via PSTN

    - by ageis23
    I have a Thomson 585V6 router which has built in voip support. I want to be able to use a softphone to make calls. for example phone my dad's mobile. Any incomming calls to my normal bt number should be taken via my pc as well. What I have done so far: I've wired the pstn port on the router to the telephone jack. The router is connected to my pc. I have installed asterisk on the pc I want to take calls on. The sip client authenticates to the sip server. output from twinkle: Sun 22:46:45 home, registration succeeded (expires = 3600 seconds) how do I take external calls/ answer incoming calls from pstn?

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  • What's the correct way to use Cakephp urls?

    - by Pichan
    Hello all, it's my first post here :) I'm having some difficulties with dealing with urls and parameters. I've gone through the router class api documentation over and over again and found nothing useful. First of all, I'd like to know if there is any 'universal' format in CakePHP(1.3) for handling urls. I'm currently handling all my urls as simple arrays(in the format that Router::url and $html-link accepts) and it's easy as long as I only need to pass them as arguments to cake's own methods. It usually gets tricky if I need something else. Mainly I'm having problems with converting string urls to the basic array format. Let's say I want to convert $arrayUrl to string and than again into url: $arrayUrl=array('controller'=>'SomeController','action'=>'someAction','someValue'); $url=Router::url($arrayUrl); //$url is now '/path/to/site/someController/someAction/someValue' $url=Router::normalize($url); //remove '/path/to/site' $parsed=Router::parse($url); /*$parsed is now Array( [controller] => someController [action] => someAction [named] => Array() [pass] => Array([0] => someValue) [plugin] => ) */ That seems an awful lot of code to do something as simple as to convert between 2 core formats. Also, note that $parsed is still not in the same as $arrayUrl. Of course I could tweak $parsed manually and actually I've done that a few times as a quick patch but I'd like to get to the bottom of this. I also noticed that when using prefix routing, $this-params in controller has the prefix embedded in the action(i.e. [action] = 'admin_edit') and the result of Router::parse() does not. Both of course have the prefix in it's own key. To summarize, how do I convert an url between any of these 3(or 4, if you include the prefix thing) mentioned formats the right way? Of course it would be easy to hack my way through this, but I'd still like to believe that cake is being developed by a bunch of people who have a lot more experience and insight than me, so I'm guessing there's a good reason for this "perceived misbehavior". I've tried to present my problem as good as I can, but due to my rusty english skills, I had to take a few detours :) I'll explain more if needed.

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  • Why can't I ping server? VMware set to 'Bridged' loses IP address

    - by Dave
    I have installed a fresh 10.04 server onto a laptop on a home network as a VMware machine and set network connection to 'Bridged: connect directly to the physical network' from within VMware and rebooted the server. It then loses its IP address. dhclient eth0 says "No working leases in persistent database - sleeping" DHCP is working fine on the wi-fi router. The laptop is wired to a wireless router and from there wirelessly to a desktop. Desktop and Laptop can ping each other from Windows. I can ping the VM from Windows on the same laptop, but not from the desktop. Strangely ping has started to resolve hostnames to IPv6 addresses and not IPv4. Don't know whether that's connected? A kick in the right direction would be greatly appreciated. I've been an Ubuntu desktkop user for a few years, but new to ubuntu servers.

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  • Why can't i ping server? VMware set to 'Bridged' loses IP address on 10.04.

    - by Dave
    I have installed a fresh 10.04 server onto a laptop on a home network as a VMware machine and set network connection to 'Bridged: connect directly to the physical network' from within VMware and rebooted the server. It then loses its IP address. 'dhclient eth0' says "No working leases in persistent database - sleeping" DHCP is working fine on the wi-fi router. The laptop is wired to a wireless router and from there wirelessly to a desktop. Desktop and Laptop can ping each other from Windows. I can ping the VM from Windows on the same laptop, but not from the desktop. Strangely ping has started to resolve hostnames to IPv6 addresses and not IPv4. Don't know whether that's connected? A kick in the right direction would be greatly appreciated. I've been an Ubuntu desktkop user for a few years, but new to ubuntu servers.

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  • Using Synology NAS attached to WDS-Repeater

    - by Kai B
    I'm using the following devices for my home network: Router 1: Speedport W 723 V (192.168.2.1) Router 2: AVM Fritzbox 3270 (192.168.2.2) NAS: Synology DS 207+(192.168.2.3) I successfully set up a WDS connection between the two routers. The Speedport acts as basestation, the Fritzbox repeats the WIFI signal of the Speedport. Everything fine, so far. Now I'm trying to achieve the following: Client → Speedport (Base) → Fritzbox (Repeater) → Synology NAS I want to use my Synology NAS attached to the Fritzbox (which is in repeating mode). I already gave it a static IP (as written above) but all connection attempts failed. Did I miss something out or is this set-up simply impossible?

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  • on SSH login, get message 'Could not chdir to home directory"

    - by joachim
    I am SSHing into a Mac OS X server running Tiger. When I log in I get put in the root directory and shown this message: Could not chdir to home directory : No such file or directory My $HOME variable seems to be empty. I've googled the problem and found a mailing list thread which suggests using dscl to set up the home directory, but I've done that and the problem still persists even though now dscl correctly reports: $ dscl . -read /users/me NFSHomeDirectory NFSHomeDirectory: /Users/me

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