From f749c8a76a60644f8a2a11e1d2f4e65f0c32c1a8 Mon Sep 17 00:00:00 2001 From: Jens Link Date: Sat, 15 Jul 2023 14:50:12 +0200 Subject: [PATCH] added some infos on IPv4 vs IPv6 loopback --- 2. IPv6 Basic Technology/Addresses.md | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/2. IPv6 Basic Technology/Addresses.md b/2. IPv6 Basic Technology/Addresses.md index 8baab4b..3990652 100644 --- a/2. IPv6 Basic Technology/Addresses.md +++ b/2. IPv6 Basic Technology/Addresses.md @@ -60,7 +60,9 @@ https://[2001:db8:4006:80b::200e]:443 The unspecified IPv6 address is simply zero, represented as `::`. -The loopback IPv6 address is 1, represented as `::1`. +The loopback IPv6 address is 1, represented as `::1`. Note that IPv6 only has +one looback address whereas IPv4 has `127.0.0.0/8` reserved for looback +addressing. ### Routeable unicast addresses