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#1
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Networking through two DHCP's
All of my wireless and wired computers are connected to a router that
operates as a DHCP server. A VOIP phone and one of the wired computers is connected via CAT 6 that goes under the house from one room to the room that the router is located. I am interested in trying out operating my printer with it's network capabilitys. However, it is in the room where the two under-the-house wires are already in use with a computer and VOIP phone, and I would like to avoid purchasing a switch or going under the house to establish another wire. That said, the only available option is to utilize the LAN port of the VOIP phone (going through the VOIP phone to get to the router). What settings do I make on the VOIP phone so that the printer goes through it to be associated with the router's network? I'm guessing that I would disable the DHCP server on the phone and perhaps set the printer with DMZ. But, in general, what to do? Keep in mind that there is only one LAN port on the phone, so I can't convert it into a secondary access point by plugging the Ethernet cable from the router into a separate LAN port. Essential Details on Router: IP: 192.168.1.1 IP Assignment Range: 192.168.1.100 - 192.168.1.199 Subnet: 255.255.255.0 Essential Details on VOIP Phone: LAN IP: 192.168.0.1 IP Assignment Range: 192.168.0.100-192.168.0.199 Subnet: 255.255.255.0 Thanks, Zakhary |
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#2
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Networking through two DHCP's
Zakhary wrote:
All of my wireless and wired computers are connected to a router that operates as a DHCP server. A VOIP phone and one of the wired computers is connected via CAT 6 that goes under the house from one room to the room that the router is located. I am interested in trying out operating my printer with it's network capabilitys. However, it is in the room where the two under-the-house wires are already in use with a computer and VOIP phone, and I would like to avoid purchasing a switch or going under the house to establish another wire. That said, the only available option is to utilize the LAN port of the VOIP phone (going through the VOIP phone to get to the router). What settings do I make on the VOIP phone so that the printer goes through it to be associated with the router's network? I'm guessing that I would disable the DHCP server on the phone and perhaps set the printer with DMZ. But, in general, what to do? Keep in mind that there is only one LAN port on the phone, so I can't convert it into a secondary access point by plugging the Ethernet cable from the router into a separate LAN port. Essential Details on Router: IP: 192.168.1.1 IP Assignment Range: 192.168.1.100 - 192.168.1.199 Subnet: 255.255.255.0 Essential Details on VOIP Phone: LAN IP: 192.168.0.1 IP Assignment Range: 192.168.0.100-192.168.0.199 Subnet: 255.255.255.0 Thanks, Zakhary It's hard to tell what's going on with your VOIP phone. With a LAN IP of 192.168.0.1, *it* plainly isn't receiving its IP address from your router's DHCP server. Whether the LAN port on the phone is, in effect, a one-port switch connected to the incoming Ethernet signal isn't clear. In any case, it's common to recommend that devices such as printer be given a static IP address. Thus, you could experiment by setting the printer to have a static IP address in the 192.168.1.x subnet that's less than 100, e.g., 192.168.1.50, and connecting it to the phone's LAN jack. If the printer has a static IP, it doesn't matter what you do with the phone's DHCP server. You should then be able to add the printer to computers on the 192.168.1.x subnet. On the other hand, switches are pretty cheap: http://www.newegg.com/Product/Produc...40%20-%20%2410 -- Lem Apollo 11 - 40 years ago: http://www.nasa.gov/mission_pages/ap...0th/index.html |
#3
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Networking through two DHCP's
The VOIP has a WAN IP Address, which is the IP address that is assigned to it
by the primary gateway. The LAN IP Address is the address the VOIP phone uses if it is to be used as a gateway. This is no different from your router's WAN address typically being the same as your internet IP address and it's LAN address being the gateway address that other devices use to connect to it. Thus, the WAN IP Address of the VOIP phone is of the form 192.168.1.x, while it uses the 192.168.0.1 if it is to act as a gateway. So, hopefully the above clarifies my use of terms. Based on that, what subnet and gateway should the printer be associated with (the primary gateway or the VOIP phone)? And do I need to configure the VOIP phone's DHCP server to being on or off? The DMZ settings? The advanced "routing" settings (RX and TX Modes, static routing, etc.)? Port Forwarding or triggering? Thanks -- -Zakhary "Lem" wrote: Zakhary wrote: All of my wireless and wired computers are connected to a router that operates as a DHCP server. A VOIP phone and one of the wired computers is connected via CAT 6 that goes under the house from one room to the room that the router is located. I am interested in trying out operating my printer with it's network capabilitys. However, it is in the room where the two under-the-house wires are already in use with a computer and VOIP phone, and I would like to avoid purchasing a switch or going under the house to establish another wire. That said, the only available option is to utilize the LAN port of the VOIP phone (going through the VOIP phone to get to the router). What settings do I make on the VOIP phone so that the printer goes through it to be associated with the router's network? I'm guessing that I would disable the DHCP server on the phone and perhaps set the printer with DMZ. But, in general, what to do? Keep in mind that there is only one LAN port on the phone, so I can't convert it into a secondary access point by plugging the Ethernet cable from the router into a separate LAN port. Essential Details on Router: IP: 192.168.1.1 IP Assignment Range: 192.168.1.100 - 192.168.1.199 Subnet: 255.255.255.0 Essential Details on VOIP Phone: LAN IP: 192.168.0.1 IP Assignment Range: 192.168.0.100-192.168.0.199 Subnet: 255.255.255.0 Thanks, Zakhary It's hard to tell what's going on with your VOIP phone. With a LAN IP of 192.168.0.1, *it* plainly isn't receiving its IP address from your router's DHCP server. Whether the LAN port on the phone is, in effect, a one-port switch connected to the incoming Ethernet signal isn't clear. In any case, it's common to recommend that devices such as printer be given a static IP address. Thus, you could experiment by setting the printer to have a static IP address in the 192.168.1.x subnet that's less than 100, e.g., 192.168.1.50, and connecting it to the phone's LAN jack. If the printer has a static IP, it doesn't matter what you do with the phone's DHCP server. You should then be able to add the printer to computers on the 192.168.1.x subnet. On the other hand, switches are pretty cheap: http://www.newegg.com/Product/Produc...40%20-%20%2410 -- Lem Apollo 11 - 40 years ago: http://www.nasa.gov/mission_pages/ap...0th/index.html . |
#4
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Networking through two DHCP's
Zakhary wrote:
The VOIP has a WAN IP Address, which is the IP address that is assigned to it by the primary gateway. The LAN IP Address is the address the VOIP phone uses if it is to be used as a gateway. This is no different from your router's WAN address typically being the same as your internet IP address and it's LAN address being the gateway address that other devices use to connect to it. Thus, the WAN IP Address of the VOIP phone is of the form 192.168.1.x, while it uses the 192.168.0.1 if it is to act as a gateway. So, hopefully the above clarifies my use of terms. Based on that, what subnet and gateway should the printer be associated with (the primary gateway or the VOIP phone)? And do I need to configure the VOIP phone's DHCP server to being on or off? The DMZ settings? The advanced "routing" settings (RX and TX Modes, static routing, etc.)? Port Forwarding or triggering? Thanks As I understand your configuration, you have a single broadband connection (cable or DSL) and you have a router connected to that. (The router may or may not be integrated with your cable/DSL modem; it doesn't matter.) You have a cat 6 cable going from the router to what you call the VOIP phone's "WAN" port. The VOIP phone's "WAN" port is either set to obtain its IP address automatically (from the router's DHCP server) or it has a static IP address in the router's subnet (i.e., 192.168.1.x). If the VOIP incorporates a "gateway," that implies that it incorporates a NAT router. You've said it also incorporates a DHCP server. Your questions about DMZ, port forwarding, etc., make it sound as if your phone really is a full-fledged home gateway device, incorporating a NAT router, a DHCP server, and a switch (albeit with only one available port). Without more detailed information about the VOIP phone, it's hard to tell you exactly what to do. If your phone really has a "DMZ" setting that affects its "LAN port," then that would probably work for you. Typically, a home router's DMZ is used to expose one of the computers on the LAN side of the router directly to the Internet. In your case, if the DMZ feature is activated, I would assume that the phone's LAN port is directly exposed to your main router -- which is exactly what you want. You shouldn't need to mess with advanced routing settings (RX and TX Modes, static routing, etc.) or Port Forwarding or triggering. And if you assign a static IP address to the printer (either through its front panel controls or while it is connected directly (non-network) to a computer), you don't need to turn off the phone's DHCP server. What I would do is to assign the printer a static IP address of 192.168.1.50, enable the phone's DMZ feature, connect the printer to the phone, and then see if you can "see" the printer from one of your networked computers. Actually, what I would *really* do is leave the phone alone, buy a $9.99 switch, connect it to the cat 6 cable currently going to the other computer in the room, and then connect both that computer and the printer to the switch. Oh ... to answer your question directly, normally the printer needs to be on the same subnet as your computers: 192.168.1.x 255.255.255.0. The printer doesn't need a default gateway assignment -- because it isn't going to connect to the Internet -- but it usually is set to use the main router as a default gateway. However, if the printer has to go through the phone to get to your network, then it will be on the phone's LAN subnet (192.168.0.x) and use the phone's LAN IP address (192.168.0.1) as its default gateway. -- Lem Apollo 11 - 40 years ago: http://www.nasa.gov/mission_pages/ap...0th/index.html |
#5
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Networking through two DHCP's
Hi,
Thanks for your reply. You are correct about the phone; it is capable as acting as a home gateway device. In fact, the phone provider always requests that the phone be placed in-front of the router and set to act as the DHCP server. For a number of reasons, though, this is not preferred. And, yes, that "LAN port" acts as the one-port switch, while the "WAN port" is what connects to the modem or primary gateway source to receive either dynamic or static routing assignment. So, the WAN sign is what received IP assignment, while the LAN side is what gives IP assignments. The reason for this venture is less to do with ease of configuration, but more to do with experimentation. As I have the printer set-up right now, it works for my needs. It is connected to a computer, and I simply go through that computer to use it from other computers. So, to business: I am not able to set DMZ for my printer (or any device behind the phone) on the phone, unless it is within the DHCP range and subnet of the phone (i.e., 192.168.0.x). So, setting it with a (192.168.1.x) address for its association with the primary gateway/network server will not work. The phone's DMZ console has "192.168.0" controlled, with only the assignment digits available for editing. I can set it to be associated with the phone with an IP of 192.168.0.50, then DMZ it, but not with an ip of 192.1681.50. Still, I went ahead and assigned the phone to 192.168.1.50, with a subnet mask of 255.255.255.0, and it was not visible through the primary gateway/network server. Any other ideas for trial? There's no way to associate it with the phone, only to have the phone forward its association onto the primary DHCP server? Thanks, -Zakhary "Lem" wrote: Zakhary wrote: The VOIP has a WAN IP Address, which is the IP address that is assigned to it by the primary gateway. The LAN IP Address is the address the VOIP phone uses if it is to be used as a gateway. This is no different from your router's WAN address typically being the same as your internet IP address and it's LAN address being the gateway address that other devices use to connect to it. Thus, the WAN IP Address of the VOIP phone is of the form 192.168.1.x, while it uses the 192.168.0.1 if it is to act as a gateway. So, hopefully the above clarifies my use of terms. Based on that, what subnet and gateway should the printer be associated with (the primary gateway or the VOIP phone)? And do I need to configure the VOIP phone's DHCP server to being on or off? The DMZ settings? The advanced "routing" settings (RX and TX Modes, static routing, etc.)? Port Forwarding or triggering? Thanks As I understand your configuration, you have a single broadband connection (cable or DSL) and you have a router connected to that. (The router may or may not be integrated with your cable/DSL modem; it doesn't matter.) You have a cat 6 cable going from the router to what you call the VOIP phone's "WAN" port. The VOIP phone's "WAN" port is either set to obtain its IP address automatically (from the router's DHCP server) or it has a static IP address in the router's subnet (i.e., 192.168.1.x). If the VOIP incorporates a "gateway," that implies that it incorporates a NAT router. You've said it also incorporates a DHCP server. Your questions about DMZ, port forwarding, etc., make it sound as if your phone really is a full-fledged home gateway device, incorporating a NAT router, a DHCP server, and a switch (albeit with only one available port). Without more detailed information about the VOIP phone, it's hard to tell you exactly what to do. If your phone really has a "DMZ" setting that affects its "LAN port," then that would probably work for you. Typically, a home router's DMZ is used to expose one of the computers on the LAN side of the router directly to the Internet. In your case, if the DMZ feature is activated, I would assume that the phone's LAN port is directly exposed to your main router -- which is exactly what you want. You shouldn't need to mess with advanced routing settings (RX and TX Modes, static routing, etc.) or Port Forwarding or triggering. And if you assign a static IP address to the printer (either through its front panel controls or while it is connected directly (non-network) to a computer), you don't need to turn off the phone's DHCP server. What I would do is to assign the printer a static IP address of 192.168.1.50, enable the phone's DMZ feature, connect the printer to the phone, and then see if you can "see" the printer from one of your networked computers. Actually, what I would *really* do is leave the phone alone, buy a $9.99 switch, connect it to the cat 6 cable currently going to the other computer in the room, and then connect both that computer and the printer to the switch. Oh ... to answer your question directly, normally the printer needs to be on the same subnet as your computers: 192.168.1.x 255.255.255.0. The printer doesn't need a default gateway assignment -- because it isn't going to connect to the Internet -- but it usually is set to use the main router as a default gateway. However, if the printer has to go through the phone to get to your network, then it will be on the phone's LAN subnet (192.168.0.x) and use the phone's LAN IP address (192.168.0.1) as its default gateway. -- Lem Apollo 11 - 40 years ago: http://www.nasa.gov/mission_pages/ap...0th/index.html . |
#6
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Networking through two DHCP's
Zakhary wrote:
Hi, Thanks for your reply. You are correct about the phone; it is capable as acting as a home gateway device. In fact, the phone provider always requests that the phone be placed in-front of the router and set to act as the DHCP server. For a number of reasons, though, this is not preferred. And, yes, that "LAN port" acts as the one-port switch, while the "WAN port" is what connects to the modem or primary gateway source to receive either dynamic or static routing assignment. So, the WAN sign is what received IP assignment, while the LAN side is what gives IP assignments. The reason for this venture is less to do with ease of configuration, but more to do with experimentation. As I have the printer set-up right now, it works for my needs. It is connected to a computer, and I simply go through that computer to use it from other computers. So, to business: I am not able to set DMZ for my printer (or any device behind the phone) on the phone, unless it is within the DHCP range and subnet of the phone (i.e., 192.168.0.x). So, setting it with a (192.168.1.x) address for its association with the primary gateway/network server will not work. The phone's DMZ console has "192.168.0" controlled, with only the assignment digits available for editing. I can set it to be associated with the phone with an IP of 192.168.0.50, then DMZ it, but not with an ip of 192.1681.50. Still, I went ahead and assigned the phone to 192.168.1.50, with a subnet mask of 255.255.255.0, and it was not visible through the primary gateway/network server. Any other ideas for trial? There's no way to associate it with the phone, only to have the phone forward its association onto the primary DHCP server? Thanks, -Zakhary "Lem" wrote: Zakhary wrote: The VOIP has a WAN IP Address, which is the IP address that is assigned to it by the primary gateway. The LAN IP Address is the address the VOIP phone uses if it is to be used as a gateway. This is no different from your router's WAN address typically being the same as your internet IP address and it's LAN address being the gateway address that other devices use to connect to it. Thus, the WAN IP Address of the VOIP phone is of the form 192.168.1.x, while it uses the 192.168.0.1 if it is to act as a gateway. So, hopefully the above clarifies my use of terms. Based on that, what subnet and gateway should the printer be associated with (the primary gateway or the VOIP phone)? And do I need to configure the VOIP phone's DHCP server to being on or off? The DMZ settings? The advanced "routing" settings (RX and TX Modes, static routing, etc.)? Port Forwarding or triggering? Thanks As I understand your configuration, you have a single broadband connection (cable or DSL) and you have a router connected to that. (The router may or may not be integrated with your cable/DSL modem; it doesn't matter.) You have a cat 6 cable going from the router to what you call the VOIP phone's "WAN" port. The VOIP phone's "WAN" port is either set to obtain its IP address automatically (from the router's DHCP server) or it has a static IP address in the router's subnet (i.e., 192.168.1.x). If the VOIP incorporates a "gateway," that implies that it incorporates a NAT router. You've said it also incorporates a DHCP server. Your questions about DMZ, port forwarding, etc., make it sound as if your phone really is a full-fledged home gateway device, incorporating a NAT router, a DHCP server, and a switch (albeit with only one available port). Without more detailed information about the VOIP phone, it's hard to tell you exactly what to do. If your phone really has a "DMZ" setting that affects its "LAN port," then that would probably work for you. Typically, a home router's DMZ is used to expose one of the computers on the LAN side of the router directly to the Internet. In your case, if the DMZ feature is activated, I would assume that the phone's LAN port is directly exposed to your main router -- which is exactly what you want. You shouldn't need to mess with advanced routing settings (RX and TX Modes, static routing, etc.) or Port Forwarding or triggering. And if you assign a static IP address to the printer (either through its front panel controls or while it is connected directly (non-network) to a computer), you don't need to turn off the phone's DHCP server. What I would do is to assign the printer a static IP address of 192.168.1.50, enable the phone's DMZ feature, connect the printer to the phone, and then see if you can "see" the printer from one of your networked computers. Actually, what I would *really* do is leave the phone alone, buy a $9.99 switch, connect it to the cat 6 cable currently going to the other computer in the room, and then connect both that computer and the printer to the switch. Oh ... to answer your question directly, normally the printer needs to be on the same subnet as your computers: 192.168.1.x 255.255.255.0. The printer doesn't need a default gateway assignment -- because it isn't going to connect to the Internet -- but it usually is set to use the main router as a default gateway. However, if the printer has to go through the phone to get to your network, then it will be on the phone's LAN subnet (192.168.0.x) and use the phone's LAN IP address (192.168.0.1) as its default gateway. -- Lem Apollo 11 - 40 years ago: http://www.nasa.gov/mission_pages/ap...0th/index.html . This goes a little deeper than I'm familiar with. You might try setting the printer to a static IP address in the phone's subnet (192.168.0.x). Either make this outside the range of the phone's DHCP server or turn off the phone's DHCP server. Than configure the phone to forward all ports (because I don't know which one(s) the printer uses. Make sure that the printer is set to use the phone (192.168.0.1) as its default gateway. If that doesn't work, I'm out of ideas. Perhaps there is a forum specific to your phone's hardware where you could ask. -- Lem Apollo 11 - 40 years ago: http://www.nasa.gov/mission_pages/ap...0th/index.html |
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