bridge mode on 2740N
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bridge mode on 2740N
07-12-2015 11:03 PM
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I need your help guys ;(
Guys from PlusNet have no idea what or how to setup a bridge mode so I can use my firewalls and do NATing on them instead of doing double NAT.
I've tried expert mode,etc but there is nothing in the options that will show "Bridge Mode"
Sales guy from PlusNet told me that "yes our router does support the bridge mode" but now they are telling me that yes it does support it but we have no idea where it is or how to setup Bridge mode.....
After all I am a business customer with this small and stupid router.
Need your help ,
Many thanks in advance
Re: bridge mode on 2740N
07-12-2015 11:08 PM
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Re: bridge mode on 2740N
08-12-2015 8:08 AM
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I can't recall anyone on here reporting that bridge mode is possible on the 2704n. I suspect sales were being 'econonmical with the truth'. The 2704 isn't a business router. In your case I would suggest getting a simple ADSL modem http://www.broadbandbuyer.co.uk/store/modems/adsl-modems/#content for use with your firewall. Maybe worth thinking about a VDSL/ADSL one in case you upgrade to fibre in the future.
Quote Sales guy from PlusNet told me that "yes our router does support the bridge mode" but now they are telling me that yes it does support it but we have no idea where it is or how to setup Bridge mode.....
Superusers are not staff, but they do have a direct line of communication into the business in order to raise issues, concerns and feedback from the community.
Re: bridge mode on 2740N
08-12-2015 9:07 AM
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At any given moment in the universe many things happen. Coincidence is a matter of how close these events are in space, time and relationship.
Opinions expressed in forum posts are those of the poster, others may have different views.
Re: bridge mode on 2740N
08-12-2015 9:09 AM
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Re: bridge mode on 2740N
08-12-2015 5:01 PM
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Can you drop me a link for a firmware ? That will be a great help
Thanks
Re: bridge mode on 2740N
08-12-2015 5:34 PM
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So after all that , I think D-Link DSL-320B ADSL 2+ Ethernet Modem OR TP-LINK TD-8817 USB/Ethernet ADSL 2+ Modem Router should do the job . What do u think guys ?
DrayTek Vigor 120 ADSL2+ Ethernet Modem :
All login/ISP details are entered on the connected client device, not the Vigor 120
This is the bit that I don't get. My ASA doesn't care about IPS username and password
confusion
P.S. I am sure ZyXEL Prestige P-660HW-T1 Wireless G ADSL Router will be as good as whats been mentioned above
Thanks for suggestion guys
Re: bridge mode on 2740N
08-12-2015 7:21 PM
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There's an example document here http://www.cisco.com/c/en/us/support/docs/security/asa-5500-x-series-next-generation-firewalls/11032... but I note that it is for v8.0 software, and I'm aware that were fairly sweeping changes in the ASA software during the 8.x releases, so you might want to cross check with the documentation for your actual software release. A quick look at the docs for 9 suggest it should be the same in principle.
Re: bridge mode on 2740N
08-12-2015 8:28 PM
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I've got 9.x
Config can be done on both ASDM as well as CLI.
I've got a request to get /29 static public IP address space.
Hope all that wont create any more issues.
P.s. In the config guade there is no notes about the routing (default route)
Plus I've been told that even if I will have /29 space my outside interface should be set to DHCP :))
I hope that the main (Outside) interface address will remain the same
Re: bridge mode on 2740N
08-12-2015 9:36 PM
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Re: bridge mode on 2740N
08-12-2015 9:42 PM
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Quote from: junoqbeat P.s. In the config guade there is no notes about the routing (default route)
Plus I've been told that even if I will have /29 space my outside interface should be set to DHCP
Default route is set by the "setroute" option in the "ip address pppoe setroute" i/f config line.
Re /29 that sounds normal, a separate "customer subnet" not related to the wan address. What are you using the /29 for? DMZ or just more nat addresses?
Re: bridge mode on 2740N
08-12-2015 11:20 PM
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I so get used to ethernet and a proper routing that I've just realised that sharing a public Vlan with 2x firewalls not going to work as both firewalls need pppoe username and password setup which won't work :(((;;
Re: bridge mode on 2740N
09-12-2015 6:49 AM
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Re: bridge mode on 2740N
09-12-2015 9:34 AM
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On this router there is no funtion available to desable NAT and use it as the routing
In case of doing what you mentioned above I would need to lose one public IP (which will be configured on the LAN interface of my ISP router)
And also ISP need to configure routing to my /29 ie telling the rest of the world that my /29 is behid my small ISP router(dsl) . Not surehow the routing will work:
Incomming ---(Internet) ----> ISP Adsl interface(external) IP X.X.X.X --- [ ADSL router itself ] --- Lan IP Y.Y.Y.1/29 ----> Firewall 1 & Firewall 2
Outgoing connection is easy I will just set the defaulteoute towards the LAN interface of my ISP router and thats it.
As far as I know ISP will asign my ADSL router (external interface) IP via DHCP which means it will change, so even if I will askthem to setup some static routes it wont work.
I hope what I am saying make some sense:)))
Re: bridge mode on 2740N
09-12-2015 12:33 PM
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Yes, you lose one public IP address on the LAN side of the router, and that address can't be used for NAT entries on the firewall(s).
Routing "And also ISP need to configure routing to my /29 ie telling the rest of the world that my /29 is behid my small ISP router(dsl) ". Strictly the ISP doesn't have to tell the rest of the world, your /29 will be part of their PA address space so everyone already knows which ISP is responsible. It's only the ISP's internal routing that needs to be updated. The way I assume it works is that your DSL router connects and authenticates, the ISP dishes out an IP address via PPP, then it must as part of that same process update routing tables giving that address as the next hop for your /29 prefix. I've certainly worked on installations where the WAN IP address was changeable, yet still routed to a fixed customer assigned subnet.
Hope this helps.
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