[riot-notifications] [RIOT-OS/RIOT] NIB Cache Entries (#15815)

Martine Lenders notifications at github.com
Wed Jan 20 12:01:16 CET 2021


Have you tried deactivating [6Lo-ND](https://tools.ietf.org/html/rfc6775) in case you are on a 6LoWPAN device? This way link-local addresses (in case you use those for pinging) are also added to the neighbor cache. You can do so by setting [CONFIG_GNRC_IPV6_NIB_6LN](https://www.riot-os.org/api/group__net__gnrc__ipv6__nib__conf.html#gaff67513e6d48b405a4f8636df3a01857) to 0. You also might need to increase the maximum number of neighbor cache entries using [CONFIG_GNRC_IPV6_NIB_NUMOF](https://www.riot-os.org/api/group__net__gnrc__ipv6__nib__conf.html#ga9dc4943e8cb6c9b2fec3fb54ed1395a8). Don't let yourself get confused by the default values given in the documentation. Use `make menuconfig` to see the default values depending on your scenario.

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