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Annotated edit history of Billion7100 version 4, including all changes. View license author blame.
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1 PeterScott 1 !Getting Billion 7100 into Half Bidge Howto.
2 (also works on a wide varierty of cheap adsl routers because they pretty much all use the same chipset)
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2 PeterScott 4 a. hard reset the modem, making sure you know the login. dhcp on your pc, browse to 192.168.1.254
1 PeterScott 5
2 PeterScott 6 b. Quick start | username and password, PPPoA VCMUX, VPI=0, VCI=100, tick automatically reconnect, save config and restart, confirm connects under NAT.
1 PeterScott 7
2 PeterScott 8 c. Configuration | Advanced | Misc Configuration | Half bridge | Enabled
1 PeterScott 9
2 PeterScott 10 d. Configuration | WAN | pvc0 submit| and return the encapsulation to pppoa VC-MUX, Half bridge alters this wrongly to ppoe llc
1 PeterScott 11
2 PeterScott 12 b0. Save settings and restart
1 PeterScott 13
2 PeterScott 14 c. Configuration | Advanced | Misc Configuration | HTTP Server Port | 81
1 PeterScott 15
4 PeterScott 16 b0. Save settings and restart
2 PeterScott 17
4 PeterScott 18 (you must do this in several steps, it wont work otherwise)
2 PeterScott 19
4 PeterScott 20 And there you have it, if you are lucky, and the stars line up, your WAN ip address on your linux box. Check your firewall. Youll need the static route hack on your box see [Half bridge with PPPoA]. You can get back into the modem at 192.168.1.254:81
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22 While the above worked for me in 2008 using Xnet, attempts to reproduce it that same month using more or less identical hardware, but another ISP (Planet), were eratic at best. YMMV.
1 PeterScott 23
24 !Getting Billion 7100 into 1:1 NAT+DMZ
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2 PeterScott 26 This is an alternative method if half bridge doesnt work well. The modem just maps all incoming traffic to the static ip address of your linux router.
1 PeterScott 27
4 PeterScott 28 a. Hard reset the modem
1 PeterScott 29
4 PeterScott 30 b. Quick start | username and password, PPPoA VCMUX, VPI=0, VCI=100, tick automatically reconnect, save config and restart, confirm connects under NAT.
1 PeterScott 31
4 PeterScott 32 c. Configuration | Advanced | NAT | mode | NAT (sometimes Static NAT)
1 PeterScott 33
34 d. Configuration | Advanced | NAT | Session name config
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4 PeterScott 36 e. Enter: {yourname}, interface: PPPoPvc0, add, submit
1 PeterScott 37
4 PeterScott 38 f. Configuration | Advanced | NAT | Session name config | go back to nat config
1 PeterScott 39
4 PeterScott 40 g. Enter: session: Peter, IP= 192.168.1.1}, add, submit
1 PeterScott 41
4 PeterScott 42 h. Configuration | Advanced | Misc config | DMZ | Enabled
1 PeterScott 43
4 PeterScott 44 i. Configuration | Advanced | Misc config | DMZ host IP | 192.168.1.1
1 PeterScott 45
4 PeterScott 46 j. Save settings and reboot
1 PeterScott 47
4 PeterScott 48 k. Configuration | Advanced | Misc Configuration | HTTP Server Port | 81
1 PeterScott 49
4 PeterScott 50 l. Save settings and restart
51
52 Set your linux router to have a static WAN address 192.168.1.1. The will forward all incoming ports to the linux router, and basically map the dynamic WAN ISP to your linux routers static IP, directly and exclusively. The advantage of this is if your firewall ruleset needs to know its WAN IP then its easier with a static IP on the routers WAN.
1 PeterScott 53
54 If you have anyway to compare the performance of these two methods let us know, edit the page!
4 PeterScott 55
56 !Firmware
57
58 These modems usually came out of the box with firmware versions:
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60 CX82xxx_4.1.0.Na_IB300c (where N is 9,10,14 etc)
61
62 I have upgraded a few of these to CX82xxx_4.1.0.38_IB650c which is available here:
63 [http://www.billion.com/support/download/fd/fd1-ADSL2-firewall-router.html#fd1011] (Annex A is POTS, Annex B is ISDN)
64
65 with not altogether satisfactory results
66 - web gui bug onquick start page
67 - network timeouts when P2P present
68 - half bridge implementation is no superior that OOB firmware.
69
70 These have been great modems in their day but i guess its nearly time to move on.
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72 Peter Scott, June 2008
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74
1 PeterScott 75
76 !Dynalink RTA1320
77
78 http://kb.netcomm.com.au/kb/default.asp?id=2761&Lang=1 (howto bridge 1320)
79 http://www.dynalink.co.nz/cms/index.php?page=adsl2-modem-router-rta1320-2
80 (firmware to use)
81
82 !Speedtouch 536
83 http://forums.whirlpool.net.au/forum-replies-archive.cfm/595905.html (setting up PPTP)

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