broken-server

[root@ipa4 ~]# sysctl -a | grep accept_ra | perl -ne 'print if /eth0/ or /all/ or /default/'
sysctl: reading key "net.ipv6.conf.all.stable_secret"
sysctl: reading key "net.ipv6.conf.default.stable_secret"
sysctl: reading key "net.ipv6.conf.dummy0.stable_secret"
sysctl: reading key "net.ipv6.conf.eth0.stable_secret"
sysctl: reading key "net.ipv6.conf.gre0.stable_secret"
sysctl: reading key "net.ipv6.conf.gretap0.stable_secret"
sysctl: reading key "net.ipv6.conf.ip6_vti0.stable_secret"
sysctl: reading key "net.ipv6.conf.ip6gre0.stable_secret"
sysctl: reading key "net.ipv6.conf.ip6tnl0.stable_secret"
sysctl: reading key "net.ipv6.conf.ip_vti0.stable_secret"
sysctl: reading key "net.ipv6.conf.lo.stable_secret"
sysctl: reading key "net.ipv6.conf.sit0.stable_secret"
sysctl: reading key "net.ipv6.conf.teql0.stable_secret"
sysctl: reading key "net.ipv6.conf.tunl0.stable_secret"
net.ipv6.conf.all.accept_ra = 1
net.ipv6.conf.all.accept_ra_defrtr = 1
net.ipv6.conf.all.accept_ra_from_local = 0
net.ipv6.conf.all.accept_ra_min_hop_limit = 1
net.ipv6.conf.all.accept_ra_mtu = 1
net.ipv6.conf.all.accept_ra_pinfo = 1
net.ipv6.conf.all.accept_ra_rtr_pref = 1
net.ipv6.conf.default.accept_ra = 1
net.ipv6.conf.default.accept_ra_defrtr = 1
net.ipv6.conf.default.accept_ra_from_local = 0
net.ipv6.conf.default.accept_ra_min_hop_limit = 1
net.ipv6.conf.default.accept_ra_mtu = 1
net.ipv6.conf.default.accept_ra_pinfo = 1
net.ipv6.conf.default.accept_ra_rtr_pref = 1
net.ipv6.conf.eth0.accept_ra = 1
net.ipv6.conf.eth0.accept_ra_defrtr = 0
net.ipv6.conf.eth0.accept_ra_from_local = 0
net.ipv6.conf.eth0.accept_ra_min_hop_limit = 1
net.ipv6.conf.eth0.accept_ra_mtu = 1
net.ipv6.conf.eth0.accept_ra_pinfo = 0
net.ipv6.conf.eth0.accept_ra_rtr_pref = 0
[root@ipa4 ~]# 

working-server

root@app1:~# sysctl -a | grep accept_ra | perl -ne 'print if /eth0/ or /all/ or /default/'
sysctl: reading key "net.ipv6.conf.all.stable_secret"
sysctl: reading key "net.ipv6.conf.default.stable_secret"
sysctl: reading key "net.ipv6.conf.dummy0.stable_secret"
sysctl: reading key "net.ipv6.conf.eth0.stable_secret"
sysctl: reading key "net.ipv6.conf.gre0.stable_secret"
sysctl: reading key "net.ipv6.conf.gretap0.stable_secret"
sysctl: reading key "net.ipv6.conf.ip6_vti0.stable_secret"
sysctl: reading key "net.ipv6.conf.ip6gre0.stable_secret"
sysctl: reading key "net.ipv6.conf.ip6tnl0.stable_secret"
sysctl: reading key "net.ipv6.conf.ip_vti0.stable_secret"
sysctl: reading key "net.ipv6.conf.lo.stable_secret"
sysctl: reading key "net.ipv6.conf.sit0.stable_secret"
sysctl: reading key "net.ipv6.conf.teql0.stable_secret"
sysctl: reading key "net.ipv6.conf.tunl0.stable_secret"
net.ipv6.conf.all.accept_ra = 1
net.ipv6.conf.all.accept_ra_defrtr = 1
net.ipv6.conf.all.accept_ra_from_local = 0
net.ipv6.conf.all.accept_ra_min_hop_limit = 1
net.ipv6.conf.all.accept_ra_mtu = 1
net.ipv6.conf.all.accept_ra_pinfo = 1
net.ipv6.conf.all.accept_ra_rtr_pref = 1
net.ipv6.conf.default.accept_ra = 1
net.ipv6.conf.default.accept_ra_defrtr = 1
net.ipv6.conf.default.accept_ra_from_local = 0
net.ipv6.conf.default.accept_ra_min_hop_limit = 1
net.ipv6.conf.default.accept_ra_mtu = 1
net.ipv6.conf.default.accept_ra_pinfo = 1
net.ipv6.conf.default.accept_ra_rtr_pref = 1
net.ipv6.conf.eth0.accept_ra = 2
net.ipv6.conf.eth0.accept_ra_defrtr = 1
net.ipv6.conf.eth0.accept_ra_from_local = 0
net.ipv6.conf.eth0.accept_ra_min_hop_limit = 1
net.ipv6.conf.eth0.accept_ra_mtu = 1
net.ipv6.conf.eth0.accept_ra_pinfo = 1
net.ipv6.conf.eth0.accept_ra_rtr_pref = 1
root@app1:~#