Questions tagged [vlsm]

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VLSM Segmentation

I often hear that it is advisable when segmenting a network (VLSM) to have subnets that have a number of IPs that is as close as possible to the number of real machines. I understand the usefulness of ...
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0answers
21 views

DHCP collision on two subnets in same domain

I'm trying a VLSM scenario with my 2 consumer routers. R1 has GE and R2 has FE. Both has internal switch (br0) since they are home routers. First simplify things with fixed masks. R1 on 192.168.1.1/25 ...
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1answer
465 views

VLSM Subnetting: Smallest subnet first

I'm setting up a new network. When I search on the internet and make use of subnet calculators. My largest range is always placed first. Now I rather start with my firewalls, then place me server-...
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2answers
3k views

How do I divide a network into smaller subnets using a single Layer 3 switch?

I have had trouble searching for help on this one, as most searches for VLSM, CIDR and layer 3 switching bring back very basic questions posted by students just starting their CCNA. I have a batch of ...
3
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2answers
1k views

VLSM, Rip V1 and Rip V2

I am trying to understand some things about Rip V1 and V2 but I'm not sure if I'm right, As I know Rip V1 doesn't "advertise" subnet masks, and doesn't support VLSM. If i understand right Even if Rip ...
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1answer
222 views

VLSM Assistance [closed]

I have a quick query about using VLSM. I need to adopt a optimized addressing scheme making use of VLSM, I have 3 networks in total connected via two different routers, router 1 has a network of 300 ...
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1answer
384 views

How many assignable addresses are needed for a router-to-router connection?

I have an address zone (let's say 150.41.0.0/16) and I want to subnet it optimally using VLSM. I have a number of VLANs, each with a minimum number of needed addresses, and a couple of router-to-...
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3answers
1k views

VLSM network design [closed]

I'm studying for the CCNA exam and I want to create a VLSM scheme using RIPv2 for the following (CCNA practice example): Network connecting 4 different locations Each switch is fa 0/0 on the router ...
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6answers
388 views

Trouble subnetting a network

I have the network address 160.80.0.0/24 and have to subnet things like this: How would I subnet this network to accomodate such a huge number of hosts? :D Any guidance for a newbie? I've already ...
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2answers
948 views

Having trouble identifying where to create subnets and VLSM

You can download the 200kb PDF file to see the questions I'm being asked. I'm not a networking guy and our teacher has really failed to teach the basics and just thrust us into this thing. I have no ...