If cable modem put it in bridge mode and that creates a direct pass through so 
you have control of ip accept the cable company gateway.


Sent from my Verizon Wireless 4G LTE smartphone

<div>-------- Original message --------</div><div>From: Chris Fabien 
<[email protected]> </div><div>Date:12/22/2014  7:20 AM  (GMT-05:00) 
</div><div>To: Mikrotik Users <[email protected]> </div><div>Subject: 
Re: [Mikrotik Users] Couple questions to ask </div><div>
</div>Forrest is on point. Just do it via 1:1 nat unless you can convince your
upstream to route the ips to your edge router.

Is this a cable modem? We had a site on cable for a while and were able to
get charter to route a /24 to our router once we got a hold of the right
people.
On Dec 22, 2014 7:03 AM, "Forrest Christian (List Account)" <
[email protected]> wrote:

> Let me see if I can help here, based on my best guess.
>
> What your provider has given you Is actually a block of 16.   They have
> assigned this block to the Ethernet segment between you and them.
>
> Starting at 16, you get to 13 by the following:
>
> One is used for the network number.  This must be the first number in the
> block.
>
> One is used for the netmask.  This is the last number in the block.
>
> And one is used by their router which is attached to the segment.  It can
> be any of the remaining addresses, but it often either the first or last
> usable address.  They will tell you what this is.
>
> The remaining thirteen can be used by you, but they must be used by a
> device on that Ethernet segment.   Or, more accurately a device on that
> segment needs to arp for them and then know what to do with them.
>
> Personally, the easiest thing I can think of is just to add all 13 as
> additional addresses in your mikrotik and then use nat to "distribute" them
> to private addresses in your network.  And by nat, I am including all of
> the various options including 1:1 nat, as appropriate.
> On Dec 20, 2014 1:03 PM, "Tim Reichhart" <[email protected]> wrote:
>
>> Scott
>>
>> If you want the actual subnet the upstream provider gave me was 
>> 255.255.255.240
>> but I put in 255.255.255.0
>>
>>
>>
>> Which I have block of /13 which only 12 useable ips since the 13th one
>> is upstream provider gateway IP.
>>
>>
>>
>> Tim
>>
>>
>>
>> *From:* [email protected] [mailto:
>> [email protected]] *On Behalf Of *Scott Reed
>> *Sent:* Saturday, December 20, 2014 2:56 PM
>> *To:* Mikrotik Users
>> *Subject:* Re: [Mikrotik Users] Couple questions to ask
>>
>>
>>
>> Routing works by one device knowing the next device to send a packet to.
>> So the upstream knows that all of you addresses get sent to the one on your
>> gateway.  The provider's devices don't care how the data gets to the
>> destination, just that it goes to your router.  Your OSPF will tell your
>> headend router how to get the data to the end point.
>> So, to fully answer your question, you need to answer the one I have
>> asked you several times. What is the subnet mask our your headend router
>> connecting to the upstream?  Give us that and we can quit surmising what
>> you might do and give you a how to do it.
>>
>> Also, from one of your comments, you can tell OSPF whether or not to
>> propagate your static routers.
>>
>> On 12/20/2014 2:09 PM, Tim Reichhart wrote:
>>
>> @ Scott
>> Addresses come in pPowers of 2, so you probably have 16 addresses in the
>> block. So, need to know what subnet mask you use to connect.  If you are
>> using a /29 or /30, the rest can be located anywhere on the network. Let
>> OSPF do the work.  If you are using the /28 to connect, you will either
>> need to get your provider to change it or get the rest of the addresses so
>> you can subnet them.
>>
>> How many addresses do you want at the "remote" site?
>>
>> Let's say you have a block of 16, a /28.  You can have a block of 8, a
>> /29, at the headend and connected to the provider.  Then you can have 8
>> more somewhere else on the network.  As long as you put the address in OSPF
>> correctly, the 8 addresses from the second half can be anywhere on your
>> network and OSPF will get them routed
>>
>>
>>
>> I don’t know if I can even spit up the block like how your saying because
>> I only have 1 gateway IP address from the upstream provider unless there is
>> something I don’t know about because one mikrotik router (core) router is
>> handling the ip’s then from there its ospf over wireless ptp link to an
>> other mikrotik router with totally different internal IP address from
>> router a haves.
>>
>>
>>
>> @ Christian
>>
>>
>>
>> So if you have a /28 and it was routed to router a, you can route the
>> whole thing or just subnets to router b, and use them by just setting a
>> gateway on router b. Or a gateway on router a.  Or if it is ospf you could
>> just assign a single ip to a loopback and do a 1:1 nat to a private. There
>> is a lot of ways to do this, I'm just not clear on your setup.
>>
>>
>>
>> This is how I got the network currently setup:
>> modem ----: routerboard a (w/static wan IP’s w/ospf) then the link is on
>> ether is going for my ptp to other routerboard b (running ospf also) on
>> ether1 then I want ether 2-4 run to sectors etc.
>>
>>
>>
>> So I need to figure out how to route the static wan ip’s over ospf from
>> routerboard a to b etc..
>>
>>
>>
>> Tim
>>
>>
>>
>>
>>
>>
>>
>>
>>
>> *From:* [email protected] [
>> mailto:[email protected]
>> <[email protected]>] *On Behalf Of *Christian Palecek
>> *Sent:* Saturday, December 20, 2014 1:07 PM
>> *To:* Mikrotik Users
>> *Subject:* Re: [Mikrotik Users] Couple questions to ask
>>
>>
>>
>> So if you have a /28 and it was routed to router a, you can route the
>> whole thing or just subnets to router b, and use them by just setting a
>> gateway on router b. Or a gateway on router a.  Or if it is ospf you could
>> just assign a single ip to a loopback and do a 1:1 nat to a private. There
>> is a lot of ways to do this, I'm just not clear on your setup.
>>
>>
>>
>>
>>
>> Christian Palecek
>>
>> Network Administrator
>>
>> Cybernet Inc.
>>
>> Hamilton, MT
>>
>>
>>
>> -------- Original message --------
>> From: [email protected]
>> Date:12/20/2014 10:48 AM (GMT-07:00)
>> To: Mikrotik Users <[email protected]> <[email protected]>
>> Subject: Re: [Mikrotik Users] Couple questions to ask
>>
>> Scott I got block of 13 and I can go all the way of block of 254 if I
>> wanted to.
>>
>> Tim
>>
>>
>> On 2014-12-20 12:21, Scott Reed wrote:
>> > How many addresses do they give you?
>> > What is the subnet mask you use on your connection to the upstream?
>> >
>> > On 12/20/2014 12:07 PM, [email protected] wrote:
>> >> Well the upstream provider have the static ip's scripted inside the
>> >> modem. So I don't think they are actually routing the ip's directly to
>> >> me.
>> >>
>> >> So it looks like I'm going have go bat route setup if that is correct.
>> >>
>> >> Tim
>> >>
>> >> On 2014-12-20 10:59, Christian Palecek wrote:
>> >>> I think you are going to have to use dst-nat as a 1:1 nat, unless
>> >>> they
>> >>> actually are routing you ip's, then you would just route them like
>> >>> you
>> >>> would any subnet.
>> >>>
>> >>> Christian Palecek
>> >>> Network Administrator
>> >>> Cybernet Inc.
>> >>> Hamilton, MT
>> >>>
>> >>> -------- Original message --------
>> >>> From: T Maylone <[email protected]>
>> >>> Date:12/20/2014 7:33 AM (GMT-07:00)
>> >>> To: Mikrotik Users <[email protected]>
>> >>> Subject: Re: [Mikrotik Users] Couple questions to ask
>> >>>
>> >>> example routing through two routers
>> >>>
>> >>> assume your public ip is 1.1.1.1
>> >>> assume your provider routes 1.1.1.1 to your router A ether port 1
>> >>> assume there is a relationship between router a ether 2 10.254.0.1/29
>> >>> [2] and router B ether 1 10.254.0.2
>> >>> assume there is a relationship between router b ether 2 10.253.0.1/29
>> >>> [3] and router c ether 1 10.253.0.2
>> >>>
>> >>> In router A
>> >>> IP route 1.1.1.1 10.254.0.2
>> >>>
>> >>> In router B
>> >>> IP router 1.1.1.1 10.253.0.2
>> >>>
>> >>> On Sat, Dec 20, 2014 at 7:22 AM, Tim Reichhart <[email protected]>
>> >>> wrote:
>> >>>
>> >>>> Guys
>> >>>>
>> >>>> I am just wondering if I have multiple wan IP's on ether1 is an way
>> >>>> to place it onto other ethernet interfaces? Also I am running ospf
>> >>>> on my routers so lets say router A is the main core with wan IP’s
>> >>>> and router B needs an wan IP from router A for an internal IP how
>> >>>> would I route that?
>> >>>>
>> >>>> Tim
>> >>>>
>> >>>> _______________________________________________
>> >>>> Mikrotik-users mailing list
>> >>>> [email protected]
>> >>>> http://lists.wispa.org/mailman/listinfo/mikrotik-users [1]
>> >>>
>> >>>
>> >>> Links:
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