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Joachim Wiberg
7467b2fcf4
These changes are based on the sysctl recommendations by Frr [1]. Not all recommendations have been incorporated, e.g., ip forwarding is not enabled per interface, because in Infix this is an opt-in feature. A readme.txt has been added, documenting the various settings. New for IPv4: - Adjust IGMP max memberships: 20 -> 1000 - Use neighbor information on nexthop selection - Use inbound interface address on ICMP errors - Ignore routes with link down - Disable rp_filter ARP settings have been changed to better fit routers, i.e., systems with multiple interfaces: - Always use best local address when sending ARP - Only reply to ARP if target IP is on the inbound interface - Generate ARP requests when device is brought up or HW address changes New for IPv6: - Keep static global addresses on link down - Ignore routes with link down Fixes #829 [1]: https://github.com/FRRouting/frr/blob/master/doc/user/Useful_Sysctl_Settings.md Signed-off-by: Joachim Wiberg <troglobit@gmail.com>
19 lines
436 B
Plaintext
19 lines
436 B
Plaintext
# Router defaults
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net.ipv6.route.max_size=131072
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net.ipv6.conf.all.ignore_routes_with_linkdown=1
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# IP Routing
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net.ipv6.conf.all.forwarding=1
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net.ipv6.conf.default.forwarding=0
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# IPv6 SLAAC
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net.ipv6.conf.all.autoconf=0
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net.ipv6.conf.default.autoconf=0
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# Keep permanent addresses on an admin down
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net.ipv6.conf.all.keep_addr_on_down=1
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net.ipv6.conf.default.keep_addr_on_down=1
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# Multicast group subscriptions
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net.ipv6.mld_max_msf=512
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