[riot-notifications] [RIOT-OS/RIOT] gnrc_ipv6_nib: auto-configure downstream subnets (#16536)

benpicco notifications at github.com
Thu Aug 5 21:53:14 CEST 2021


@benpicco commented on this pull request.



> +
+PREFIX=2001:db8::/60
+
+RIOTBASE=../..
+RIOTTOOLS=$RIOTBASE/dist/tools
+TOPOLOGY=tapology.txt
+
+setup() {
+	# add address to loopback so we can test reaching an
+	# address outside the test net
+	sudo ip a a fd00:dead:beef::1/128 dev lo
+
+	echo "creating tap interfaces"
+	i=0
+	while read -r level num; do
+		$(printf -- "sudo %s/tapsetup/tapsetup -b br%s -t tap_%s -c %s\n" $RIOTTOOLS $i $level $num) > /dev/null;

Well actually a switch is what I want - there is a routing node on each level, but it can also have multiple leaf nodes (which are the whole point of this exercise after all :wink:)

Now if I can use `veth` like a hub / bus and connect multiple nodes, that would be even better, but it looks like they always come in pairs. 

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