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| author | Ben Sanders <ben@sanders.life> | 2025-11-16 11:58:43 -0500 |
|---|---|---|
| committer | Ben Sanders <ben@sanders.life> | 2025-11-16 11:58:43 -0500 |
| commit | 85e96b87f2485ac7b334beeaef35d50d72e6fe4e (patch) | |
| tree | 7b3bfee479a39cce8b9f539c5d5191f6231defa4 /micronugget-subnetting.md | |
| parent | e9a71cc494631b4f7dc4f1d17672f71e05e6df14 (diff) | |
Added notes
Diffstat (limited to 'micronugget-subnetting.md')
| -rw-r--r-- | micronugget-subnetting.md | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/micronugget-subnetting.md b/micronugget-subnetting.md new file mode 100644 index 0000000..ff22c48 --- /dev/null +++ b/micronugget-subnetting.md @@ -0,0 +1,22 @@ +# MicroNugget: How to to Select Subnet Sizes for VLANs + +## The Most Common Subnets Used + +* /22 (255.255.252.0) - 1024 IPs / 1022 usable +* /23 (255.255.254.0) - 512 IPs / 510 usable +* /24 (255.255.255.0) - 256 IPs / 254 usable +* /29 (255.255.255.248) - 8 IPs / 6 usable +* /30 (255.255.255.252) - 4 IPs /2 usable + * point-to-point WAN uplinks + +HSRP / VRRP - Virtual IP Address + +VLANs Sample + +* VLAN 1 = unused (none) +* VLAN 10 = server/printer (/24) +* VLAN 20 = VOIP (/24) +* VLAN 30 = guest (/22) +* VLAN 40 = internal (/22) +* VLAN 40 flex (/24) + |