Re: Increase Addresses

1. Maybe he will do that (like I suggested as well)
2. Maybe he wants to learn
3. Maybe he has to have a subnet larger than a /24
4. Maybe your way isn't the right way every time

"Phillip Windell" <@.> wrote in message
news:OdctmvqoFHA.1416@xxxxxxxxxxxxxxxxxxxxxxx
> There wouldn't be so much confusion if you did it like I suggested with
> straight normal 24bit masks.
>
> --
> Phillip Windell [MCP, MVP, CCNA]
> www.wandtv.com
> -----------------------------------------------------
> Understanding the ISA 2004 Access Rule Processing
> http://www.isaserver.org/articles/ISA2004_AccessRules.html
>
> Microsoft Internet Security & Acceleration Server: Guidance
> http://www.microsoft.com/isaserver/techinfo/Guidance/2004.asp
> http://www.microsoft.com/isaserver/techinfo/Guidance/2000.asp
>
> Microsoft Internet Security & Acceleration Server: Partners
> http://www.microsoft.com/isaserver/partners/default.asp
> -----------------------------------------------------
>
>
> "Stonecold316" <Stonecold316@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote in message
> news:2204E64E-748E-4502-97F7-0C48DE1BC261@xxxxxxxxxxxxxxxx
> > thank you very much. Do I need to change my mask on the router to?
> > When I tried it before I could get and ip address on the client
> 192.168.2.x
> > or 3.x but could not connect to any resources.
> >
> > "Neteng" wrote:
> >
> > > oops should have been 255.255.252.0
> > >
> > > "Stonecold316" <Stonecold316@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote in
message
> > > news:894F01B5-0452-4ADC-9E69-7FA56A44D355@xxxxxxxxxxxxxxxx
> > > > Thank you very much one last thing to make sure i have it, you state
> > > > 255.255.255.252 mask but in next section stated 255.255.252.0. Which
> is
> > > > correct
> > > > > What should the subnet mask be?
> > > > > 255.255.255.252
> > > > >
> > > > > Our network ID is 192.168.0.0
> > > > > Subnet Mask is 255.255.252.0
> > > > > Number of hosts is 1022
> > > > > Our host range is 192.168.0.1 to 192.168.3.254
> > > >
> > > > "Neteng" wrote:
> > > >
> > > > > Sure. All your devices (including the router) fall in your subnet
> range
> > > of
> > > > > valid address. Your valid host range is 192.168.0.1-192.168.1.254,
> this
> > > is
> > > > > one subnet. What your doing is commonly referred to as
supernetting.
> > > Let's
> > > > > look at an example:
> > > > >
> > > > > 192.168.0.1 255.255.255.0
> > > > > 192.168.1.1 255.255.255.0
> > > > >
> > > > > These two subnets are each a class C. For one to talk to the other
a
> > > router
> > > > > would need to be in between. But we don't have a router and I need
> more
> > > than
> > > > > 254 addresses on my network. What are my options? Use a Class B
> address
> > > with
> > > > > a default or adjusted mask or we can supernet the two class C
> networks
> > > > > together. Instead of the subnet mask of /24 we move the bit to the
> left.
> > > > > This increases the number of host available on that subnet.
> > > > >
> > > > > Our network ID is 192.168.0.0
> > > > > Subnet Mask is 255.255.254.0
> > > > > Number of hosts is 510
> > > > > Our host range is 192.168.0.1 to 192.168.1.254
> > > > >
> > > > > Basically we 'merged' the two Class C networks together and formed
a
> > > bigger
> > > > > one (by changing the subnet mask).
> > > > >
> > > > > Now I want to converge the following subnets:
> > > > >
> > > > > 192.168.0.0
> > > > > 192.168.1.0
> > > > > 192.168.2.0
> > > > > 192.168.3.0
> > > > >
> > > > > What should the subnet mask be?
> > > > > 255.255.255.252
> > > > >
> > > > > Our network ID is 192.168.0.0
> > > > > Subnet Mask is 255.255.252.0
> > > > > Number of hosts is 1022
> > > > > Our host range is 192.168.0.1 to 192.168.3.254
> > > > >
> > > > > Again this one large network that encompasses four Class C
networks.
> > > > >
> > > > > To answer your questions; even though you have multiple "networks"
> they
> > > are
> > > > > all encompassed by the subnet mask. You don't need a router on
each
> > > > > "network" because the subnet mask has changed it into one large
> network.
> > > > >
> > > > >
> > > > >
> > > > > "Stonecold316" <Stonecold316@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote in
> message
> > > > > news:F29D97C8-AE71-4ECA-B701-E4C3051CFEF1@xxxxxxxxxxxxxxxx
> > > > > > OK I can deal with that but can you answer how the curretn scope
> > > > > > works(192.168.0.1-192.168.1.254/23 when there is only one
> interface on
> > > the
> > > > > > router(192.168.1.254) and no .0 routers?
> > > > > >
> > > > > > "Neteng" wrote:
> > > > > >
> > > > > > > No, You need a router that has four LAN interfaces, each one
> having
> > > a
> > > > > > > different subnet. For example eth0 is 192.168.0.0, eth1 is
> > > 192.168.1.0,
> > > > > etc.
> > > > > > > For devices on one subnet to talk to devices on another
subnet,
> it
> > > has
> > > > > to go
> > > > > > > through the router.
> > > > > > >
> > > > > > >
> > > > > > > "Stonecold316" <Stonecold316@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote
in
> > > message
> > > > > > > news:DD06EC6B-D599-49CB-9955-8E3A9E1FEC21@xxxxxxxxxxxxxxxx
> > > > > > > > -----Router 192.168.1.254
> > > 255.255.254.0-------
> > > > > > >
> > > -----------switch----------
> > > > > > > > ^
> > > > > > >
> > > ----192.168.0.x-----------------192.168.1.x
> > > > > > > > ^
> > > > > > > > DHCP Server 192.168.0.100 255.255.254.0 Default
> gateway
> > > > > > > > 192.168.1.254
> > > > > > > > Current Scope 192.168.0.1-192.168.1.254
> > > > > > > > So you are saying 4 seperate scopes
> > > > > > > > 192.168.0.x 255.255.255.0
> > > > > > > > 192.168.1.x 255.255.255.0
> > > > > > > > 192.168.2.x 255.255.255.0
> > > > > > > > 192.168.3.x 255.255.255.0
> > > > > > > > And change the router to 192.168.1.254 255.255.255.0 ?
> > > > > > > >
> > > > > > > >
> > > > > > > > "Phillip Windell" wrote:
> > > > > > > >
> > > > > > > > > I didn't post earlier,..but the whole thing is a bad idea
> from
> > > the
> > > > > > > > > beginning. You should keep the number of Hosts per
segment
> down
> > > > > below
> > > > > > > 300.
> > > > > > > > > A straight 24bit mask does this fine. You should divide
the
> > > system
> > > > > up
> > > > > > > into
> > > > > > > > > 254-host subnets (24bit mask) and use a LAN Router or
Layer3
> > > Switch
> > > > > > > between
> > > > > > > > > the segments.
> > > > > > > > >
> > > > > > > > > --
> > > > > > > > > Phillip Windell [MCP, MVP, CCNA]
> > > > > > > > > www.wandtv.com
> > > > > > > > > -----------------------------------------------------
> > > > > > > > > Understanding the ISA 2004 Access Rule Processing
> > > > > > > > > http://www.isaserver.org/articles/ISA2004_AccessRules.html
> > > > > > > > >
> > > > > > > > > Microsoft Internet Security & Acceleration Server:
Guidance
> > > > > > > > >
> http://www.microsoft.com/isaserver/techinfo/Guidance/2004.asp
> > > > > > > > >
> http://www.microsoft.com/isaserver/techinfo/Guidance/2000.asp
> > > > > > > > >
> > > > > > > > > Microsoft Internet Security & Acceleration Server:
Partners
> > > > > > > > > http://www.microsoft.com/isaserver/partners/default.asp
> > > > > > > > > -----------------------------------------------------
> > > > > > > > >
> > > > > > > > >
> > > > > > > > >
> > > > > > > > > "Stonecold316" <Stonecold316@xxxxxxxxxxxxxxxxxxxxxxxxx>
> wrote in
> > > > > message
> > > > > > > > > news:81F6A2FA-DD21-4229-8E9D-B87EA7A3DA14@xxxxxxxxxxxxxxxx
> > > > > > > > > > Slight config error in original post we currently have
> > > > > > > > > > 192.168.0.1-192.168.1.254 with a mask of 255.255.254.0
> DHCP
> > > server
> > > > > is
> > > > > > > > > > 192.168.0.100. We have a router configured with
> 192.168.1.254
> > > and
> > > > > also
> > > > > > > our
> > > > > > > > > > default gateway. Do we need an addition router to
perform
> this
> > > > > task.
> > > > > > > scope
> > > > > > > > > > changes.
> > > > > > > > > >
> > > > > > > > > > "Neteng" wrote:
> > > > > > > > > >
> > > > > > > > > > > Network Subnet Mask #Hosts Host Range
> > > > > > > > > > > Broadcast
> > > > > > > > > > > 510 Hosts
> > > > > > > > > > > 192.168.0.0 255.255.254.0 510 192.168.0.1 to
> > > > > > > 192.168.1.254
> > > > > > > > > > > 192.168.1.255
> > > > > > > > > > >
> > > > > > > > > > > 1022 Hosts
> > > > > > > > > > > 192.168.0.0 255.255.252.0 1022 192.168.0.1
to
> > > > > > > 192.168.3.254
> > > > > > > > > > > 192.168.3.255
> > > > > > > > > > >
> > > > > > > > > > > I would highly suggest using multiple Class C's and
> separate
> > > > > with a
> > > > > > > > > router.
> > > > > > > > > > > Any more than 250 devices on a segment and performance
> > > blows.
> > > > > > > > > > >
> > > > > > > > > > >
> > > > > > > > > > > "Stonecold316"
<Stonecold316@xxxxxxxxxxxxxxxxxxxxxxxxx>
> > > wrote in
> > > > > > > message
> > > > > > > > > > >
> news:48D3C37B-E7EB-4DFA-BF67-381E102A8D22@xxxxxxxxxxxxxxxx
> > > > > > > > > > > > What should the mask be. I plan on removing the
> curretn
> > > scope
> > > > > and
> > > > > > > > > > > recreating
> > > > > > > > > > > > as 192.168.0.x-192.168.3.x What should the mask be
> > > > > > > > > > > >
> > > > > > > > > > > > "Neteng" wrote:
> > > > > > > > > > > >
> > > > > > > > > > > > > Check your subnet masks.
> > > > > > > > > > > > >
> > > > > > > > > > > > >
> > > > > > > > > > > > > "Stonecold316"
> <Stonecold316@xxxxxxxxxxxxxxxxxxxxxxxxx>
> > > > > wrote in
> > > > > > > > > message
> > > > > > > > > > > > >
> > > news:C4920C77-B123-4D2B-9318-AD58D39F31C2@xxxxxxxxxxxxxxxx
> > > > > > > > > > > > > > We currently have a scope of
> 192.168.1.x-192.168.2.254
> > > > > with a
> > > > > > > mask
> > > > > > > > > of
> > > > > > > > > > > > > > 255.255.254.0 .DHCP server is on .0 and our
router
> is
> > > on
> > > > > ..1 We
> > > > > > > > > want to
> > > > > > > > > > > > > > increase our address due to more devices being
> added
> > > to
> > > > > the
> > > > > > > > > network By
> > > > > > > > > > > > > adding
> > > > > > > > > > > > > > a .2 and .3 to the scope. I tried to delete the
> > > current
> > > > > scope
> > > > > > > and
> > > > > > > > > > > recreate
> > > > > > > > > > > > > it
> > > > > > > > > > > > > > 192.168.1.x-192.168.3.254 with a mask of
> > > 255.255.254.0. .
> > > > > We
> > > > > > > were
> > > > > > > > > able
> > > > > > > > > > > to
> > > > > > > > > > > > > > obtain and IP from the .2 but could not ping or
> > > resolve
> > > > > and
> > > > > > > > > address
> > > > > > > > > > > on
> > > > > > > > > > > > > the
> > > > > > > > > > > > > > network. I reverted back to the original config
> for
> > > now.
> > > > > Any
> > > > > > > help
> > > > > > > > > > > would be
> > > > > > > > > > > > > > greatly welcomed
> > > > > > > > > > > > >
> > > > > > > > > > > > >
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> > >
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> > >
>
>


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