BT Infinity - IP address at Router.

This question relates to the Internet side of my BT Infinity connection.
Does any one know if BT setup Static TCP/IP or use DHCP?
If they use DHCP what is the lease time ?
I know that I have DHCP running on my LAN side.

I've no idea...but I don't think my IP address has changed in months (connection never drops and it's never switched off)
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Need to add MAC address to router

Any ideas on when you get an error message and how I remove the ACL (access control list)
Try to setup the extender on the same room where the router is installed.
- If MAC Access list of MAC Filtering is enabled on the router, make sure to add the MAC address of the extender.
- Try to turn off and turn on all of your devices to refresh the network.
Need to add MAC address to router somehow
I am tryign to follow Netgears's kb
http://kb.netgear.com/app/answers/detail/a_id/22034

What model Fios router do you have?
If it's an Actiontec I belive you cannot do what you are attempting to do as it's not supported on that router
See
https://forums.verizon.com/t5/Home-Networking/Actiontec-router-does-not-support-wireless-range-exten...

Can we do MAC Address based routing in ASA5540

I have a network setup where two servers from inside need to communicate with a remote network via 2 VPN gateways. The destinations are same.
However, the chalange is each server need to follow it's own VPN gateway. Since i can't configure PBR (policy based routing) in ASA, can i configure something like MAC Address based routing. I can't use destination based routing since the remote network are reachable from the both VPN Gateways.
Advise needed.
Thanks in advance.
Regards,
R.Siva
Network Security Engineer.

Hi
I am not shure i follow you correct here.
You want 2 servers to speak to the same network but over two different vpn units ?
If this is so then this could work
Just set the route to the other network on server 1 to the vpn gate 1
and route the other network from server 2 to the vpngate 2.
in windows the command is route add.
good luck
hth

Cant find ip address for router

When I try to access the setup page for my router, 192.168.1.1 does not work and neither does 192.168.1.2 any way to find out what the address is. when I type in those address is comes up no such website ect.

Check first what ip address your router is getting. Open your command prompt. All you need to do is click on the START button at the bottom left of your screen. Click on RUN and type in lower case cmd and press enter. Then you will have a black screen or your command prompt. You will see a blinking cursor all you need to do is type in ipconfig and press enter. You will then know what ip address your getting. The default gateway is the address you need to use for you to access your router set-up page.

WIFI stopped working after I woke the computer up, now says connected to the network but not the internet, all other coputers and devices connected still with no problems, have pinged IP address from router and got the message "4 packets sent none receive

Hi,
WIFI stopped working after I woke the computer up, now says connected to the network but not the internet, all other coputers and devices connected still with no problems, have pinged IP address from router and got the message "4 packets sent none received"... Help
I have tried network diagnostics which doesnt help... The only other ting is, when I woke the computer up it said tat another device was using my IP... My wife had plugged her phone into the computer to charge etc but even when i turn wifi off on the phone there is no change... also in settings on the phone the IP address is different...

The answer to your question is - neither!
Your PC should to configured to obtain an IP address automatically, and to obtain DNS server IP addresses automatically, from the Airport Express. This is the way Windows (and Macs for that matter) are configued by default, and that is the way most people have their computers set up. If you manually configured your PC's IP address to be the same as your wife's Mac, it certainly explains why your PC is not able to access the internet.

Why assign IP addresses to router/switch interfaces?

I get why I would ever want to assign a IP address to a router or switch, for remote login and IP for hosts to reach it. But why assign IP addresses to the interfaces? Is it so the router/switch knows which port to send the packet out? Route summation? But I thought they do that through the routing table, like " that address is out this port".
So why would we ever need to assign IP addresses to specific port interfaces?

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You normally assign IP addresses to L3 interfaces so other L3 devices have an IP address to forward traffic to. (L2 IP address are generally only used for management.)
Suppose you had Host (192.168.1.5/24) <> R1 <> R2 <> (192.168.2.8/24) Host, and you want the two hosts to intercommunicate. How would you get this to work?
You might started by providing interface IPs on the router interfaces facing the host, such as:
Host (192.168.1.5/24) <> (192.168.1.1/24) R1 <> R2 (192.168.2.1/24) <> (192.168.2.8/24) Host
You then configure "gateway" IPs on both hosts:
Host (192.168.1.5/24 - GW 192.168.1.1) <> (192.168.1.1/24) R1 <> R2 (192.168.2.1/24) <> (192.168.2.8/24 - GW 192.168.2.1) Host
Now each hosts "knows" to send all its off local subnet, traffic physically to the GW IP. So, for example, if 192.168.1.5 want to sent to 192.168.2.8, it would forward the traffic to the GW IP, 192.168.1.1. This is a example of why you want an IP on the router's L3 interface.
Next we want R1 to forward the packet to R2, but it too needs a "next hop" IP address, so we assign addresses on the link between the two router, e.g.:
Host (192.168.1.5/24 - GW 192.168.1.1) <> (192.168.1.1/24) R1 (192.168.3.1/24) <> (192.168.3.2/24) R2 (192.168.2.1/24) <> (192.168.2.8/24 - GW 192.168.2.1) Host
R1 then needs to "know" where to send packets with an destination IP network of 192.168.2.0/24, in this case, it need to "know" to send the to IP 192.168.3.2. When it does, R2, having and interface with 192.168.2.1, will also know 192.168.2.8 can be reached by sending the packet out that interface.
Hopefully, the above will show why IP addresses on router L3 interfaces are needed.
BTW, normally for the R1<>R2 link, you would assign a /30 or /31 network or you might use "unnumbered" interfaces (which "borrow" IPs from another interface).

Finding OLD MAC address through Router.

Sir,
I lost my laptop (Dell Inspiron 5521 15r) and only have its box which contains serial number 6CRC9W1 , order number 920181961 and etc but dont have MAC address. I asked dell about that but they are not helping me to get mac. Please tell me if there is any
way to get old mac addresses through router to which my laptop was connected. Thanks.

You can't. There is no way to know what the MAC was.
The MAC is tied to the network adapter, not the Laptop, and hence not the Service Tag. Since the Laptop probably had a wired adapter and a wireless adapter,...there would have been two different MACs.
What good would it be even if you knew what it was?

When addressing my router, Firefox says "browser not authentication capable"

I am trying to address my Linksys router. The authentication is failing with the following error message displayed
401 Authorization Required
Browser not authentication-capable or authentication failed.
I am able to address the router using Internet Explorer.

English translation (This did work for me.):
"I had this problem too. Tick away at 'Tell web sites I do not want to be tracked.' After doing this, the problem was solved."
Found under: Tools/Options/Privacy

My Photosmart D100a wireless printer keeps changing IP Address when router reboots.

My Photosmart D100a wireless printer keeps changing IP Address when router reboots.
This question was solved.
View Solution.

Let's set a static IP address for the printer:
- Print a Network Config Page from the front of the printer. Note the printer's IP address.
- Type that IP address into a browser to reveal the printer's internal settings.
- Choose the Networking tab, then Wireless along the left side, then the IPv4 tab.
- On this screen you want to set a Manual IP. You need to set an IP address outside the range that the router automatically sets (called the DHCP range). If you do not know the range, change the last set of numbers (those after the last '.') to 250
- Use 255.255.255.0 for the subnet (unless you know it is different, if so, use that)
- Enter your router's IP (on the Network Config Page) for the gateway.
- Enter 8.8.8.8 for the first DNS and 8.8.4.4 for the second DNS.
- Click 'Apply'.
Now, shut down the router and printer, start the router, wait, then start the printer.
After this you may need to redo 'Add a Printer' using the new IP address.
Say thanks by clicking "Kudos" "thumbs up" in the post that helped you.
I am employed by HP

MAC Addresses in routed datagrams

Hi,
I am due to teach some pupils the basics of MAC Addresses/IP Addresses and routing soon and I have a (hopefully) quick question which I am hoping someone here can help me with.
When a frame is placed out onto a public network is has a destination MAC Address. Is this address the MAC address of the next hop or the address of the final destination. If it is the next hop then am I right in assuming that the once the frame reaches the next router, the frame is unpacked to obtain the IP address from the layer 3 headers, and a new layer 2 frame is assembled with the MAC address of the next router to which the frame is to be sent.

Hello robertfl00k
When a frame is placed out onto a public network it will be having destination Mac Address of the next hop. When that frame will be received by the router, then it will remove the layer 2 information and check its routing table for the destination ip address. If destination will be available there in the routing table then it will attach new layer 2 information and forward that data to next hop.
Regards,
Mukesh Kumar
Network Engineer
Spooster IT Services

BT Infinity - HG612 and second router question

Hi,
I've got an odd question. I have BT Infinity and have the HG612 VDSL modem. Does anyone know if and how it can be configured to bridge its WAN connection to another router? For work I need site-to-site VPN access, which is performed by this other router. Unfortunately it needs to own the WAN address, so I need to configure the HG612 to bridge the address with it. Has anyone does this? Is the HG612 even capable of doing this?
I can't find any user manuals on it.
Thanks,
Simon

Hi Andy and welcome
In THIS POST Phil recently wrote.-
"Very proud of myself this afternoon. I'm not much of an expert when it comes to DIY but I have managed to hardwire the router from the back of my house to the office on the first floor at the front. After much contemplation, I decided to buy some external cat5e cable and run this along the same points as the SKY feed. The result looks pretty good and I can now get 37.5Mbps upstairs as well as down. Result."
Phil is very friendly I am sure if you have any questions it might be worth dropping him a PM ( philt1808 ) PM = Private Message if you click on the link philt1808 in brackets on the right you'll see SEND THIS USER A PRIVATE MESSAGE click on that.
Mention it's PC's fault your contacting him...
Edit this thread has some info on cables http://community.bt.com/t5/BT-Infinity/Master-Socket-gt-Modem-gt-Hub-Router-cabling/td-p/408439
Please Click On any Text in Blue as that automatically links to information.
PC (NDEGR)

Have a 1st generation Apple TV, which is not showing as a device in iTunes. Had no problems with Apple TV until I changed from a Windows PC to an iMac. I have changed my IP address, sub mask address and router address in the Apple TV, Can anyone help?

I have a 1st generation apple TV, which was working perfectly until I changed from a Windows PC to a Imac. The Apple TV will not show in Itunes. I have changed the IP address, sub mask and Router IP address. Since changing I have switched everything of and on again. Can anyone help?

I have a new router and computer. I have just remembered that just before my old PC died on me, I transferred my iTunes library to a hard drive. I can't remember exactly just how I got my library back, but there are definately things in my library now that were in my library on my old PC! Hope this makes sense. What do you mean by same location? Do you mean in the same place in the house?
Another difference I have just thought of was my old router was connected directly to the computer bu I have not been able to do this with Sky as my PC is not near a phone socket! Will this make a difference?

Mac mini server refuses to get DHCP address from router

Everything was going along fine. But after a power outage the server goes to a 169. address when the router puts out 198. addresses. If I put a static 198. address in it sees the network but won't connect to the internet. I've flashed the router (everything else sees the router fine, 3 computers and a time capsule). I've had the hardware checked at the Apple store - it picked up an address right away. After narrowing everything down the problem has to be in the operating system. I even did a full time machine restore to the day before the storm. No luck. Anyone heard of this problem.

Mauricette has a point.
A server function is not designed to accept a floating or dynamic IP address. If that is the case, how do you create firewall rules that prevent those unnnecessary ports being left opened from being attacked by rogue machines in Romania and China on a hourly basis when you announce to the world that your server is available if the server IP address keep changing due to the DHCP lease change? Yes, they do have bots that do this VERY EFFICIENTLY!
By changing the very nature of your firewall rules by working with DHCP, you are opening ports you do not know to accommodate DHCP dynamic addressing, which was the reason why your Mac Mini Server stopped working in the first place. It's ok for a client, since a client isn't serving any files to any one right.
By using client based firewall rules, you are exposing your server to attacks and when they get through your Mini server, which they can if they are persistent, they get into your home network and then whatever file server services you have opened and unprotected at the time WILL BE copied by these people easily.
I have a client once who did just that. She was attacked, the hacker went through her network like a rampaging bull. They were from China. My Synology RAID server gets this attack all the time, but I have a well establish IDS system and the Synology RAID has logs that tracks attacks.
For a server setup. Use static IP and then build a strong firewall around it and protect it and never compromise.
Recently, I just noticed someone somehow hacked and broke my WPA-PSK AES passkey for one of my Wireless N network router. It was not set up with a strong password though, but thankgod I had a firewall around that so my internal networks were safe. So this teaches you that if someone wants in bad, they will get in.
Hope this helps.

Satellite Pro M70 can't refresh IP address after router reboot

My Laptop isn't able to repair it's wireless connection if I reset the router. I have to power cycle the laptop to get it to connect again as it always gets stuck on getting network address... Any known issues about this with software patch or anything...?
Thanks
Huw D.

Hello Huw
As far as I know there are no known issues with WLAN connection and I dont know exactly what happen with your WLAN connection. After router reboot try to disable WLAN card for a short time, enable it again and try to establish connection again.
The settings are the same and nothing must be changed.
Bye

Moving BT Infinity modem and HH3 router to another...

Typically my master socket is in the dining room and all my IT kit is two floors up. Was using HH3 as Total Broadband in my loft with ethernet connection out to my Apple Airport Extreme which ran the network - everything hunky dory but I wanted faster speed - hence Inifinty.
BT Engineer had a look at my set up, started talking of bringing in a hoist into my back garden to install new Master Socket and it just seemed easier to install in the dining room and use the HH3 as router and re-configure my network - wrong! Most devices lose contact with the HH3 on a regular basis, therefore I want to re-look at installing Infinity into the loft and revert the HH3 to a ethernet connection out to my Airport Extreme. I understand all the engineers do at the master socket is install an Infinity faceplate. I've tried replacing the loft extension with a split front BT master socket and moveed the Infinity faceplate - result; voice remains but no DSL on the white Open Reach modem.
Are there any suggestions what I need to do? The original extension had four wires connections (white & blue, blue, orange & white, white & orange) but the BT master socket only has three positions and my original master socket only has two wires connected.
Thanks, Andy

Hi Andy and welcome
In THIS POST Phil recently wrote.-
"Very proud of myself this afternoon. I'm not much of an expert when it comes to DIY but I have managed to hardwire the router from the back of my house to the office on the first floor at the front. After much contemplation, I decided to buy some external cat5e cable and run this along the same points as the SKY feed. The result looks pretty good and I can now get 37.5Mbps upstairs as well as down. Result."
Phil is very friendly I am sure if you have any questions it might be worth dropping him a PM ( philt1808 ) PM = Private Message if you click on the link philt1808 in brackets on the right you'll see SEND THIS USER A PRIVATE MESSAGE click on that.
Mention it's PC's fault your contacting him...
Edit this thread has some info on cables http://community.bt.com/t5/BT-Infinity/Master-Socket-gt-Modem-gt-Hub-Router-cabling/td-p/408439
Please Click On any Text in Blue as that automatically links to information.
PC (NDEGR)

BT Infinity - IP address at Router.

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