You can not have 2 ports on the same device in the same subnet. It won't
know which to use.
But, with what you are saying, why can't you just split the /26 into 2
/27s and be done?
Here is maybe the thing that is getting you. If you split the /26 into
2 /27s and put them on separate interfaces on the router, the router is
happy. The clients can still have /27, PROVIDED their default gateway
is the same half the subnet they are in. The clients can not talk to
each other because they think they don't need to route. If the clients
don't need to talk, this should be fairly easy.
On 9/9/2011 6:45 PM, Bill Prince wrote:
My thinking was that all the lower addresses (1-30) will be in the
/26, and all the upper addresses (33-62) will be in the /27. Once
they're moved, then I can go back and switch all the lowers to a /27.
This will all be on the same router (RB493). The /26 is on ether 2,
and the /27 will be on ether 7. While I'm switching all the folks
that need to go over to the new AP (which is on ether 7), I will have
ether 2 configured as the master for ether 7 (the old AP is on ether 2).
Actually, now that I think about it, it should only take me about 15
or 20 minutes to make both /27 subnets and just switch everyone enmass...
bp
On 9/9/2011 3:13 PM, Scott Reed wrote:
Routing will be a problem.
How are you going to tell a router customer .1 is here, .5 is there,
etc.?
There are thousands of /26 networks available that are non-routing.
What about creating a new /26 out of 10.x.x.x and NAT it until you
get everyone moved?
On 9/9/2011 5:34 PM, Bill Prince wrote:
We put up a new AP on a POP where we already have 6 operating APs.
The plan is to split off about 25 existing subscribers on one of the
old APs and put them on this new AP.
So we have all the subs (about 50) in one /26 (x.y.x.0/26). The
ones we're going to move I need to put on a separate subnet, as
everything is different, but I don't have enough IPs in a completely
different subnet to just move them over at the moment.
Would there be an issue to create a new subnet (x.y.z.32/27), and
move all the ones we want on the new AP to this subnet? This would
overlap with the old subnet for the short time we're moving everyone.
Then after they're moved, I'll take the old x.y.z.0/26 and change it
to x.y.z.0/27.
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--
Scott Reed
Owner
NewWays Networking, LLC
Wireless Networking
Network Design, Installation and Administration
Mikrotik Advanced Certified
www.nwwnet.net
(765) 855-1060
(765) 439-4253
(855) 231-6239
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