Connecting To Isolated Networks With The Same Network Id
Nov 24, 2011
Basically, the issue I am having is we have a class b network ID of 172.16. We had a new phone system installed last year which needed to be on an isolated network as our switches do not have QoS on them. Plus they are quite bad...
Some genius decided to use the same network ID on the new phone system as our current network but they are totally isolated networks.
This is where my laziness comes into play... We use a laptop connected to the phone system's network to connect to configure the phones etc but I would like to do this at my desk. So what I have done is configured a wireless access point on the phone systems network so I can connect to it on my laptop to theoretically make changes to the phone system on my PC, but also staying connected to our network for obvious reasons... I do have some networking knowledge, and I am assuming the routes are going to be completely wrong because of the same network ID issue not allowing me to connect to the phone system on my laptop. But I am not sure if I can add a static route to resolve this.
Interface List
0x1 ........................... MS TCP Loopback interface
0x2 ...00 50 56 c0 00 08 ...... VMware Virtual Ethernet Adapter for VMnet8
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Apr 9, 2013
my wireless connection gets lost intermitently. How can i fix this problem without paying too much to the service providers.
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Apr 7, 2011
My Dell XPS (Windows XP) is not connecting to my network..can't get anything to show up on the networks in range list. My other laptop is fine. But I just upgraded to Firefox 4 on the Dell, and then the connectivity went askew.
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Jan 28, 2013
I recently got my Cisco wireless system working a few days ago and am back with a guest network. Our wireless system includes one 2504 controller and 2 2602i access points. So, I want a wireless guest network completely isolated from the LAN.
Here is what I have done.
I have created a new internal network and assigned 192.168.2.1 to an unused port on the firewall and 2.2 to a new controller interface with vlan 10. I can ping both 2.1 and 2.2 from the firewall and the controller. Basic network connectivity is working. The DHCP server is setup on this same firewall and configured only for this port. This address is referenced in the controllers interface.
A new w lan was setup and enabled. The proper interface group was selected on the w lan. I have left the default layer2 security.
As far as AAA servers tab in this wlan, this is where I am a little confused. I wish to just have a single log in for this guest network. I wasn't sure what to do so I went over to the Security tab and created a "local net users" account. I do not know how to reference the use of this under wlan, security, aaa servers. Should I check the box that says "local eap authentication"?? If so, I don't have a profile name in the drop down. What I'm looking for is the username/password to be stored locally on the controller itself since there will be only 1 account.
Under wlan, advanced tab, I do not have "Allow AAA override" checked. Should I?
Lastly, when I try to connect the client, it is not pulling a dhcp address. I wasn't sure if authentication was required before dhcp or the other way around so I'm not sure what to trouble shoot first, authentication or dhcp.
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Aug 15, 2011
We have three computers (one of which acts as a file server) plugged directly into an internal office network. Then we have another such connection leading to the WAN port of a router which shares a single connection among another 5 or so computers & laptops. So the WAN connection is providing internet access AND access to the file server.
Since upgrading to a new router, it is now not possible to "see" the file server from the computers connected to the router, although the internet can still be accessed without a hitch. This has now become infuriating as I've spent several hours changing all possible router & IP settings to no avail.
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Feb 14, 2011
I've been looking around for more information on this topic but I couldn't find quite the specifics I'm looking for.In the most basic text, I want to connect two networks together via the internet and VPN. I currently have two Windows 2k8 Servers housed at both locations. I've tried to do as much as I could myself but clients on both sides cannot access each other.I set-up the Remote Router function on both Servers and connected them but I still cannot ping or access any of the remote resources on that network.
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Apr 21, 2012
I have a 192.168.1.xxx network connected to Verizon FIOS via Actiontec MOCA / router.I also have a 192.168.15.xxx network connected to Comcast via Motorola VT2442 router (used for Vonage) and a Motorola SB6121 cable modem. Each network has it's own gigabit switch connected to each router. The two networks are physically separated but switches and routers are physically side by side.What is the best configuration to allow devices on 192.168.1.xxx network to communicate with devices on the 192.168.15.xxx network (share printers, NAS, etc), but still have each network served by it's respective ISP, and each device still get it's dhcp, dns, gateway, etc from each respective router?
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Jul 1, 2012
So basically I need to hook up a HP LaserJet P2015 to a business and home network. LaserJet P2015 user guide. I would like to keep the printer's ip static so it will stay the same on each network individually. am using a business router (Linksys RV120 W Wirless-N VPN Firewall) with two VLAN (business and home network) built using this router. Also I have two access points both being used to expand this signal through out the building, but not as an extender. They are two Linksys WAP54G access points. The access points are used to expand the home network, and not the business network.
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Jan 11, 2012
I have 3 Macs (OS 10.6.8) and one PC (Windows 7) at work. They are all connected to the company network for internet and access to shared network drives.The computers are used for media (mostly video) production and we need to move large files between the computers easily and quickly. The current network (company wide) is slow and unreliable, so I would like to create a separate network for these four computers and have them connected to both the company network and the office room network. Each computer already has two network ports and I have a router I can use.
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Jun 16, 2011
i have two linksys wireless router on different networks that i want to connect. how do i go about it?
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Sep 12, 2011
My boss's old Windows XP laptop was able to connect to open wireless networks automatically so he never had to click that icon on the bottom right to check signals or anything like that. Is there anything like that I could set up on Windows 7?
I realize that this is not secure and very silly. I suggested choosing the best and trusted networks available. My boss, however, doesn't want to accept that he should have to go through more steps with newer technology. So in this case, I'd just like to give him what he's asking for.
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Jan 9, 2011
Adding a second DAP-1522, They have 1 DAP-1522, they set that up useing the WAP(button on the side), This one is running in the frontroom of the house and the 2nd bridge will be running in the bedroom of the house.She has tried to click on the WAP button on both Dap-1522's and then the router to sync but thats not working, from what we can tell. I think I will need to manually config them now that a second one has been introduced.the frontroom Bridge is 192.168.0.50, but we cant find the ipaddreess for the second dap-1522 at this time. So question to all, if I can - Is there a way to identify all of the Dap-1522's on the network or anything that is connected on the network. as the DIR-655 is only showing 2 things connected?Right now I wish she would have listened too me and had her house wired for ethernet when the house was being built.
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Jul 31, 2012
I have two dir655 routers that are connected. The second router is not setup as a wireless access point, but I am open to that if it will work. The second one is going to serve as a public wifi in a business, with a separate SSID. The first one is going to handle the local business network, with its NAS and printers. How would I prevent the public wifi from accessing the first router?
I have tried the guest wifi partition setting, however it still allows access to the lan devices on the first router. It does partition with the second router properly though, but thats not worth anything to me cause there are no lan devices on the 2nd router.
Would it work right if I turn the 2nd router into a access point, disable the dhcp server, and set it up with the guest wifi partition?
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Jun 6, 2012
We are running our internal network on the 192.168.1.x range.
We have just installed a new control system which is running on a closed 192.168.0.x network (no internet access).
What we need to do is use the WRT54G to connect the 2 networks together so that we can VNC into one of the computers on the control system network so that it can be managed.
I have tried connecting the two networks by plugging the 192.168.0.x network into the WAN/Internet Port on the WRT54G, and setting the "Internet Connection Type" to "Static IP" and setting the "Internet IP Address :" as 192.168.1.200 (the main PC I need to VNC into) but cannot ping any of the other computers..
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Jun 2, 2013
Play Max N600 HD (F7D4301) Dual network operation - on behind Belkins firewall. I have just changed the structure of my network for reasons of additional services being added. I now have in the front room the ADSL modem connected to a switch and 2 PC's. The switch is also pbugged into an ethernet plug in the wall which feeds to the other end of the house where the Belkin router is. I have all devices working on the internet correctly. The issue is getting access between the two networks and the devices on the two networks. I have added the ip addresses of the PC's to the router's LAN/Static Route, but that didn't work. The network in front room (after ADSL Modem is 192.168.1.x and after Belkin router it is 192.168.2.x. Is there a way I can allow access between the two networks between devices?
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Nov 7, 2012
We recently changed locations and acquired a new circuit from our provider. They also connected our remote branch office to our main office through MPLS. Now, as I understand it, the branch office basically connects back to the main office through our providers network (MPLS). We have a new router at the branch office which has a gateway of 192.168.1.225. The clients in that office have IP's of 192.168.1.96 - 100, using the gateway of 192.168.1.225.
The main office network is 192.168.0.0 (Gateway of 192.168.0.1)
At this end (Main office), I also have a new Cisco 2900 provided by the ISP, with port 0/0 for the outside connection (connected to the 0 port on my ASA 5505). The ASA's port 1 obviously running into my network hub. The provider tells me that port 0/1 on the 2900 is or should be used to connect the branch office back to here and has an IP of 192.168.0.225, as that's how the provider provisioned it. So, I plug that into the ASA's Ethernet port 0/2. And I'm assuming they have a route setup either on the 2900 or the router in the branch office so that 192.168.1.225 can reach me here at 192.168.0.0.
There is already a static route setup on the ASA: (192.168.1.0 255.255.255.255 192.168.0.225 1). As soon as I plug in the cable, the IP phones at the branch office work, but they can't access the internet or any resources in the main office. My questions are:
1. Shouldn't I be able to just go straight from the 0/1 port on the Cisco 2900 to my hub. At first I was plugging right into the ASA, but I don't think I need to do that, why go from the branch office through my ASA to access resources and then back out the ASA for internet. If they're already coming from 192.168.1.225, through the MPLS network, then they should go right to my network and then back out the ASA.
2. They have to route through the ASA first, in which case, do I need to setup another VLAN for that branch network in conjunction with a static route? I can ping the router and hosts in the branch office through the ASA only!
Below is the running sanitized config:
Result of the command: "show running-config"
: Saved:ASA Version 8.2(2) !hostname ciscoasadomain-name audiology.orgenable password ulzaQiFnKVzDwUmW encryptedpasswd 2KFQnbNIdI.2KYOU encryptednames!interface Vlan1nameif insidesecurity-level 100ip address 192.168.0.1 255.255.255.0 ospf cost 10!interface Vlan2nameif outsidesecurity-level 0ip address 1.2.3.4 255.255.255.240 ospf cost 10!interface Ethernet0/0switchport access vlan 2!interface Ethernet0/1!interface Ethernet0/2!interface Ethernet0/3!interface Ethernet0/4!interface Ethernet0/5!interface Ethernet0/6!interface Ethernet0/7!boot system disk0:/asa822-k8.binftp mode passiveclock timezone EST -5clock summer-time EDT recurringdns server-group DefaultDNSdomain-name audiology.orgsame-security-traffic permit inter-interfacesame-security-traffic permit intra-interfaceaccess-list
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Jan 18, 2012
I have a stack of 3750-X that are used to both switch traffic inside V LAN and also to route a couple of WAN ranges from our up link provider to the DMZ v LAN.Now I'd like to have a SVI Vlan1 with an IP in the "management v LAN", but I'd like that SVI not to be rout able.
More exactly :
- no traffic should ever exit that interface that's not the generated by the router itself (ssh/snmp/...)
- no incoming traffic on that interface should be forwarded anywhere
- I'd also like to have a different default gw to be used by traffic generated by the switch itself. (for eg, ssh traffic coming from any another sub net like 10.2.0.0/24 to the switch SVI Vlan1 ip 10.1.0.1/24 should be routed back through the Vlan1 gw and not through out up link ptp gateway)
I think I can achieve the first two with ACLs on the SVI. But not sure about the last one ...
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Oct 9, 2012
I've found that Android devices (smartphones for sure, and perhaps other devices, like Windows Vista/XP pc's with some Atheros wi-fi adapters) can't connect to our eduroam network (WPA2 Enterprise) if the Access Points (all from Cisco) also have open SSID's configured in it. Once I protect the open networks with, for instance, WPA-PSK, the Android devices immediatly get connected to the eduroam. Is there any fix that can be applied to the Access Points. Below there's a list fo AP models and IOS version we have running. I may mention that this problem doesn't occur with Access Points from other manufacturers like, for instance, Meru Networks.
In the AP's event log appears the folowing:
"Packet to client 0026.3778.081f reached max retries, removing the client"
The steps to mitigate the problem above were applied, but with no results.
PS: The Android versions may vary with the same symptom.
Device types: AP 1100; AP 1130; AP1140;AP1210;AP1250
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Jun 28, 2010
I have a brand new Dell Inspiron 1764 laptop that I received on the 25th of June. It is "replacing" a Dell Inspiron 9100 that has gotten to be too slow and bulky for my needs. For support purposes, both laptops are running on Windows 7.Overall, I love my new Inspiron 1764. However, I have noticed seriously degraded connection/signal strength with the wireless card (Dell Wireless 1397 WLAN Mini-card) compared to my Inspiron 9100 (Dell Wireless 1350 WLAN Mini-PCI card).
In areas of my house that my 9100 can get full signal strength (5 bars), my new 1764 is getting 2 or fewer bars. This behavior is also not limited to only my house, as I have tested it at my job and in an area less than 10 feet away from the wireless router, I have "Internet connectivity problems".
I tried twice this morning to speak with Dell support. The first person I spoke at least initiated a DellConnect session with me so that they could check some of my settings and such (however, why they went twice into my sharing settings I could not determine since they have absolutely nothing to do with signal strength.)
Unfortunately, I was disconnected from the session when I went to an area that had less signal than right next to my wireless router.I then got back on chat support with Dell and received another technician to speak with. I explained my problem, told them that I was in a DellConnect session with the other technician, and they looked up my support contract.They then told me that my warranty does not cover software issues and referred me to the software department and told me it would be an extra charge. I told them that I did not believe it to be a software issue in any way, shape, or form. They told me that it must be a setting issue. I have since spent several hours scouring the internet forums on Dell and other websites checking people who have had similar issues. Some of their issues were admittedly from software settings, but I have still yet to find anything that indicates to me that I have an incorrect software setting.
As of this writing, I am standing in my kitchen, typing on my Inspiron 9100 with a full 5 bars, while my Inspiron 1764 sits next to me with a measly 2 bars, and I am literally standing 7 feet above the room that houses my Linksys WRTU54G-TM router.Personally, I suspect a faulty wireless card, but how do I convince Dell to hear my case and replace it rather than trying to bilk me for unneeded software support?
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Feb 7, 2011
I have a big issue in providing internet service to the networks that are connected to a router. Also i do wanna know whether ipv6 can be used in 2811 routers.
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Jun 13, 2012
I have a DAP-1522 in my den that I am connecting as a bridge to a Netgear WNDR3800 that in turn is connected to a cable modem in my living room. I have multiple PC's connected to the DAP-1522 via the Ethernet Ports. All the Ethernet connected PC's are getting IP addresses from my Netgear WNDR3800 via DHCP and can access the Internet fine. The weird thing is the PC's connected to the DAP-1522 through the Ethernet ports can't see each other - they are isolated from each other. I can see the DAP-1522 hard wired PC's from a laptop connected wirelessly through the Netgear WNDR3800 but the PC's wired to the DAP-1522 can't see each or communicate to each other via IP, though they can communicate to anything else on the Netgear WNDR3800 wireless network or Internet.Only the PC's connected to the DAP-1522 via the Ethernet ports are isolated from each other. Very strange. This is a problem because I have a NAS device I want to connect to the DAP-1522 that will be shared by the PCs in my den. I do software development and want access between the PC's and NAS device at Ethernet Gigabit speed. I am using default configurations for the DAP-1522. It appears that firmware for the bridging function if funky. I am on firmware version 1.41. The hardware release is A1.Not sure if it is an issue with the DAP-1522 or the Netgear WNDR3800.
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Apr 22, 2012
I have a 192.168.1.xxx network connected to Verizon FIOS via Actiontec MOCA / router. I also have a 192.168.15.xxx network connected to Comcast via Motorola VT2442 router (used for Vonage) and a Motorola SB6121 cable modem.
Each network has it's own gigabit switch connected to each router. The two networks are physically separated but switches and routers are physically side by side.
What is the best configuration to allow devices on 192.168.1.xxx network to communicate with devices on the 192.168.15.xxx network (share printers, NAS, etc), but still have each network served by it's respective ISP, and each device still get it's dhcp, dns, gateway, etc from each respective router?
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Mar 4, 2013
I am having trouble connecting my device to certain WiFi networks. We work with hotels and we have a handful of devices that are just not able to connect to their network. Te device works fine in my office. When I get to the Setup page and do a site survey, it'll get to 100% and then display a "page can't be found" as oppose to showing me that it has been connected. We had the MAC address cleared in their network and still no luck. Firmware has also been updated.
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May 30, 2012
I have an ASA that houses 11 VLANs, and I am trying to add a 12th.One of the VLANs is for PCs that have internet only access.The new VLAN will be similar, but for multifunction printers only.VLAN 99 is for internet only and works fine, I can ping the gateway of 10.99.3.33 from any PC in that VLAN.I am creating VLAN 98, modeling it after VLAN 99, and I cannot get a PC in the vlan to ping the gateway of10.98.3.17.Both switch and ASA show the new VLAN 98 as UP, switchport is UP/UP.I have deleted and recreated VLAN 98 a few times, but I cannot get a PC VLAN 98 connectivity.Once it is working on the core switch, I will add it to the trunk to the IDS switches. VTP is not in use, everything is manual. [code]
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May 6, 2012
My core switch is a 6509-e and my IDF closets have 3750's.I have a couple of vlans currently setup, that can communicate with each other.VTP is setup Client/Server where as my core is Server, all IDF's are Client.
What i'm trying to do is create an isolated VLAN. I want to setup a DHCP scope and use helper address. When i plug in a client to that VLAN, i want it to get an IP, but not have any other network access.
Is this possible to do without switching to Transparent mode? If not - what reprocussions will i see by switching to transparent mode?
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Feb 9, 2011
I'm not sure if I'm missing something basic here however i though that I'd ask the question. I recieved a request from a client who is trying to seperate traffic out of a IBM P780 - one set of VIO servers/clients (Prod) is tagged with vlan x going out LAG 1 and another set of VIO server/clients (Test) is tagged with vlan y and z going out LAG 2. The problem is that the management subnet for these devices is on one subnet.
The infrastructure is the host device is trunked via LACP etherchannel to Nexus 2148TP(5010) which than connects to the distribution layer being a Catalyst 6504 VSS. I have tried many things today, however I feel that the correct solution to get this working is to use an Isolated trunk (as the host device does not have private vlan functionality) even though there is no requirement for hosts to be segregated. I have configured:
1. Private vlan mapping on the SVI;
2. Primary vlan and association, and isolated vlan on Distribution (6504 VSS) and Access Layer (5010/2148)
3. All Vlans are trunked between switches
4. Private vlan isolated trunk and host mappings on the port-channel interface to the host (P780).
I haven't had any luck. What I am seeing is as soon as I configure the Primary vlan on the Nexus 5010 (v5.2) (vlan y | private-vlan primary), this vlan (y) does not forward on any trunk on the Nexus 5010 switch, even without any other private vlan configuration. I believe this may be the cause to most of the issues I am having. Has any one else experienced this behaviour. Also, I haven't had a lot of experience with Private Vlans so I might be missing some fundamentals with this configuration.
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Jul 4, 2011
I recently bought a Medialink Wireless N router and configured it as per the instructions. I have a desktop computer connected to the router now and it works great with a wired internet connection. However when I try to connect to the wireless network with my laptop, the network does not appear in the available list of networks. The broadcsting SSID feature for the router has been enabled. I am not able to figure out if it is a problem with the wireless network or my laptop, because my laptop has been acting weird lately. Is there a way to test that the wireless adapter on my laptop is working fine. I am able to see other wireless networks on the list. How do I know for sure that my wireless network is set up right?
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Feb 17, 2013
I was curious what is the best way and how to setup a network that can do the following:I have two offices in different cities but I need them to be able to access the same database file.I can easily share a folder in 1 city and have all those computers access it but how can I share the file with the computers at the other city?
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Jul 1, 2012
I have a simple isp topology built in GNS3, for testing (pppoe) dialers:cisco router(R1) connected to my pc network card, doing NAT translations for all the devices in the topology.I know how to configure NAT for spesific ip range, but i can't find out how to configure NAT for networks which are learned through ospf (or any other dynamic way).
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Feb 29, 2012
I changed recently my wireless router (and my ISP) and since then the Network and sharing center lists two networks, both with Local and Internet access.One has the SSID assigned to the router and the other is name "unidentified".All seems to be working fine but i'd like to clean up the mess and remove this undefined thing.I have a vista home premium. The wired NIC is disabled, The wireless is set to dhcp with ipV6 disabled. Am attaching below the ipconfig /all.
Windows IP Configuration
Host Name . . . . . . . . . . . . : pavi
Primary Dns Suffix . . . . . . . :
Node Type . . . . . . . . . . . . : Hybrid
IP Routing Enabled. . . . . . . . : No
WINS Proxy Enabled. . . . . . . . : No
[code]....
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Nov 20, 2011
What device would be necessary to link two networks of identical type? What devices would be necessary to link two networks of dissimilar types?I would say a network card and HUB for identical type but I do not know if this is correct?Describe the parameters governing the choice of cable type for a given network. What are the three main types of cables used in computer networks?
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Mar 18, 2011
I m connected to a LAN With about 1500-2000 other clients. My network has been subnetted into several small networks according to the hostels (i study in a university). Most effective way to implement INTER-hostel file sharing.Each hostel has typically about 200 clients.
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Feb 28, 2011
I'm working on a friends laptop that used to connect wirelessly to their network no problem, and all of a sudden it would no longer connect at all. It a 5 year old Gateway laptop running Windows XP Media Center. It just hangs at "Acquiring network access" and never connects. I'm pretty sure it's their network because it works on my home network perfectly, connects and stays connected.
Can you give me some pointers to do to the laptop and/or the network? I normally would start fresh with the wireless network, but they have a bundle package of AT&T (internet, phone & TV all-in-one) so the router is branded AT&T and don't want to mess any of that up.
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