diff options
| author |   BIN HU <bin.hu@att.com> | 2018-10-11 16:53:40 -0700 |
|---|---|---|
| committer | Bin Hu <bin.hu@att.com> | 2018-10-12 00:02:04 +0000 |
| commit | d8d182daea54b155bd001f1528986b906ccdb723 (patch) | |
| tree | c4f6f6a6966fd53cd50ef4fb53675d75492d3791 | |
| parent | 279e8347415e33923797cc313956ed0f6a240162 (diff) | |
Clarification of NDP in IPv6 and ARP in IPv4
Change-Id: I930825e20293284a4a77c0b4b9ea3e80646baf7d
Signed-off-by: BIN HU <bin.hu@att.com>
(cherry picked from commit cf8a76b3ae499b86150a66b87e796d4c0d5eec56)
| -rw-r--r-- | docs/release/userguide/icmpv6-and-ndp-proxying-for-docker-containers.rst | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/docs/release/userguide/icmpv6-and-ndp-proxying-for-docker-containers.rst b/docs/release/userguide/icmpv6-and-ndp-proxying-for-docker-containers.rst index e916c7e..3c5bf97 100644 --- a/docs/release/userguide/icmpv6-and-ndp-proxying-for-docker-containers.rst +++ b/docs/release/userguide/icmpv6-and-ndp-proxying-for-docker-containers.rst @@ -16,12 +16,11 @@ To communicate on its directly-connected network, a host must implement the communication protocol used to interface to that network. We call this a link layer or media-access layer protocol. -ICMPv6 is used instead of ARP as in IPv4, with following Neighbor Discovery -Protocol (NDP) options. - -NDP defines five ICMPv6 packet types for the purpose of router solicitation, -router advertisement, neighbor solicitation, neighbor advertisement, and -network redirects. Refer RFC 122 & 3122. +IPv4 uses ARP for link and MAC address discovery. In contrast IPv6 uses ICMPv6 +though Neighbor Discovery Protocol (NDP). NDP defines five ICMPv6 packet types +for the purpose of router solicitation, router advertisement, neighbor +solicitation, neighbor advertisement, and network redirects. +Refer RFC 122 & 3122. Contrasting with ARP, NDP includes Neighbor Unreachability Detection (NUD), thus, improving robustness of packet delivery in the presence of failing |