Package: ifupdown Version: 0.8.35 Followup-For: Bug #805445 In our server VLAN there are IPv6 RA. Every method we tried to disable autconf and RA on the clients are not working in buster, being kernel parameter autoconf=0, by sysctl.conf or by options in network/interfaces. This bug is important to us.
-- Package-specific info: --- /etc/network/interfaces: # This file describes the network interfaces available on your system # and how to activate them. For more information, see interfaces(5). source /etc/network/interfaces.d/* # The loopback network interface auto lo iface lo inet loopback # The primary network interface #allow-hotplug ens3 auto ens3 iface ens3 inet static address XXX.YYY.ZZZ.251/25 gateway XXX.YYY.ZZZ.254 dns-nameserver XXX.YYY.ZZZ.81 XXX.YYY.ZZZ.82 # This is an autoconfigured IPv6 interface iface ens3 inet6 static address XXXX:YYYY:ZZZZ:1::81/64 gateway XXXX:YYYY:ZZZZ:1::1 accept_ra 0 pre-up echo accept_ra pre-up cat /proc/sys/net/ipv6/conf/*/accept_ra autoconf 0 pre-up echo autoconf pre-up cat /proc/sys/net/ipv6/conf/*/autoconf #pre-up echo use_tempaddr #pre-up cat /proc/sys/net/ipv6/conf/*/use_tempaddr pre-up ip a pre-up ip -6 r --- /etc/network/interfaces.d/*: cat: '/etc/network/interfaces.d/*': No such file or directory --- up and down scripts installed: /etc/network/if-down.d: total 0 /etc/network/if-post-down.d: total 0 /etc/network/if-pre-up.d: total 0 /etc/network/if-up.d: total 0 -- System Information: Debian Release: 10.5 APT prefers stable APT policy: (500, 'stable') Architecture: amd64 (x86_64) Kernel: Linux 4.19.0-10-amd64 (SMP w/2 CPU cores) Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE=en_US.UTF-8 (charmap=UTF-8) Shell: /bin/sh linked to /usr/bin/dash Init: systemd (via /run/systemd/system) LSM: AppArmor: enabled Versions of packages ifupdown depends on: ii adduser 3.118 ii iproute2 4.20.0-2 ii libc6 2.28-10 ii lsb-base 10.2019051400 Versions of packages ifupdown recommends: ii isc-dhcp-client [dhcp-client] 4.4.1-2 Versions of packages ifupdown suggests: pn ppp <none> pn rdnssd <none> -- no debconf information
