root@Router3Pro:~# sysctl -a|grep lo
dev.scsi.logging_level = 0
dev.tty.ldisc_autoload = 1
fs.overflowgid = 65534
fs.overflowuid = 65534
kernel.max_lock_depth = 1024
kernel.overflowgid = 65534
kernel.overflowuid = 65534
net.core.flow_limit_cpu_bitmap = 0
net.core.flow_limit_table_len = 4096
net.core.netdev_max_backlog = 1000
net.core.rps_sock_flow_entries = 0
net.core.tstamp_allow_data = 1
net.ipv4.conf.all.accept_local = 0
net.ipv4.conf.all.log_martians = 0
net.ipv4.conf.all.route_localnet = 0
net.ipv4.conf.apcli0.accept_local = 0
net.ipv4.conf.apcli0.log_martians = 0
net.ipv4.conf.apcli0.route_localnet = 0
net.ipv4.conf.apcli1.accept_local = 0
net.ipv4.conf.apcli1.log_martians = 0
net.ipv4.conf.apcli1.route_localnet = 0
net.ipv4.conf.apclii0.accept_local = 0
net.ipv4.conf.apclii0.log_martians = 0
net.ipv4.conf.apclii0.route_localnet = 0
net.ipv4.conf.apclii1.accept_local = 0
net.ipv4.conf.apclii1.log_martians = 0
net.ipv4.conf.apclii1.route_localnet = 0
net.ipv4.conf.br-lan.accept_local = 0
net.ipv4.conf.br-lan.log_martians = 0
net.ipv4.conf.br-lan.route_localnet = 0
net.ipv4.conf.default.accept_local = 0
net.ipv4.conf.default.log_martians = 0
net.ipv4.conf.default.route_localnet = 0
net.ipv4.conf.eth0.accept_local = 0
net.ipv4.conf.eth0.log_martians = 0
net.ipv4.conf.eth0.route_localnet = 0
net.ipv4.conf.eth0/1.accept_local = 0
net.ipv4.conf.eth0/1.log_martians = 0
net.ipv4.conf.eth0/1.route_localnet = 0
net.ipv4.conf.eth0/2.accept_local = 0
net.ipv4.conf.eth0/2.log_martians = 0
net.ipv4.conf.eth0/2.route_localnet = 0
net.ipv4.conf.lo.accept_local = 0
net.ipv4.conf.lo.accept_redirects = 1
net.ipv4.conf.lo.accept_source_route = 1
net.ipv4.conf.lo.arp_accept = 0
net.ipv4.conf.lo.arp_announce = 0
net.ipv4.conf.lo.arp_filter = 0
net.ipv4.conf.lo.arp_ignore = 1
net.ipv4.conf.lo.arp_notify = 0
net.ipv4.conf.lo.bootp_relay = 0
net.ipv4.conf.lo.disable_policy = 1
net.ipv4.conf.lo.disable_xfrm = 1
net.ipv4.conf.lo.drop_gratuitous_arp = 0
net.ipv4.conf.lo.drop_unicast_in_l2_multicast = 0
net.ipv4.conf.lo.force_igmp_version = 0
net.ipv4.conf.lo.forwarding = 1
net.ipv4.conf.lo.igmpv2_unsolicited_report_interval = 10000
net.ipv4.conf.lo.igmpv3_unsolicited_report_interval = 1000
net.ipv4.conf.lo.ignore_routes_with_linkdown = 0
net.ipv4.conf.lo.log_martians = 0
net.ipv4.conf.lo.mc_forwarding = 0
net.ipv4.conf.lo.medium_id = 0
net.ipv4.conf.lo.promote_secondaries = 0
net.ipv4.conf.lo.proxy_arp = 0
net.ipv4.conf.lo.proxy_arp_pvlan = 0
net.ipv4.conf.lo.route_localnet = 0
net.ipv4.conf.lo.rp_filter = 0
net.ipv4.conf.lo.secure_redirects = 1
net.ipv4.conf.lo.send_redirects = 1
net.ipv4.conf.lo.shared_media = 1
net.ipv4.conf.lo.src_valid_mark = 0
net.ipv4.conf.lo.tag = 0
net.ipv4.conf.ra0.accept_local = 0
net.ipv4.conf.ra0.log_martians = 0
net.ipv4.conf.ra0.route_localnet = 0
net.ipv4.conf.rai0.accept_local = 0
net.ipv4.conf.rai0.log_martians = 0
net.ipv4.conf.rai0.route_localnet = 0
net.ipv4.conf.wds0.accept_local = 0
net.ipv4.conf.wds0.log_martians = 0
net.ipv4.conf.wds0.route_localnet = 0
net.ipv4.conf.wds1.accept_local = 0
net.ipv4.conf.wds1.log_martians = 0
net.ipv4.conf.wds1.route_localnet = 0
net.ipv4.conf.wds2.accept_local = 0
net.ipv4.conf.wds2.log_martians = 0
net.ipv4.conf.wds2.route_localnet = 0
net.ipv4.conf.wds3.accept_local = 0
net.ipv4.conf.wds3.log_martians = 0
net.ipv4.conf.wds3.route_localnet = 0
net.ipv4.conf.wdsi0.accept_local = 0
net.ipv4.conf.wdsi0.log_martians = 0
net.ipv4.conf.wdsi0.route_localnet = 0
net.ipv4.conf.wdsi1.accept_local = 0
net.ipv4.conf.wdsi1.log_martians = 0
net.ipv4.conf.wdsi1.route_localnet = 0
net.ipv4.conf.wdsi2.accept_local = 0
net.ipv4.conf.wdsi2.log_martians = 0
net.ipv4.conf.wdsi2.route_localnet = 0
net.ipv4.conf.wdsi3.accept_local = 0
net.ipv4.conf.wdsi3.log_martians = 0
net.ipv4.conf.wdsi3.route_localnet = 0
net.ipv4.conf.wg0.accept_local = 0

net.ipv4.conf.wg0.log_martians = 0
net.ipv4.conf.wg0.route_localnet = 0
net.ipv4.igmp_link_local_mcast_reports = 1
net.ipv4.ip_local_port_range = 32768	60999
net.ipv4.ip_local_reserved_ports =
net.ipv4.ip_nonlocal_bind = 0
net.ipv4.ipfrag_low_thresh = 3145728
net.ipv4.neigh.apcli0.locktime = 100
net.ipv4.neigh.apcli1.locktime = 100
net.ipv4.neigh.apclii0.locktime = 100
net.ipv4.neigh.apclii1.locktime = 100
net.ipv4.neigh.br-lan.locktime = 100
net.ipv4.neigh.default.locktime = 100
net.ipv4.neigh.eth0.locktime = 100
net.ipv4.neigh.eth0/1.locktime = 100
net.ipv4.neigh.eth0/2.locktime = 100
net.ipv4.neigh.lo.anycast_delay = 100
net.ipv4.neigh.lo.app_solicit = 0
net.ipv4.neigh.lo.base_reachable_time = 30
net.ipv4.neigh.lo.base_reachable_time_ms = 30000
net.ipv4.neigh.lo.delay_first_probe_time = 5
net.ipv4.neigh.lo.gc_stale_time = 60
net.ipv4.neigh.lo.locktime = 100
net.ipv4.neigh.lo.mcast_resolicit = 0
net.ipv4.neigh.lo.mcast_solicit = 3
net.ipv4.neigh.lo.proxy_delay = 80
net.ipv4.neigh.lo.proxy_qlen = 64
net.ipv4.neigh.lo.retrans_time = 100
net.ipv4.neigh.lo.retrans_time_ms = 1000
net.ipv4.neigh.lo.ucast_solicit = 3
net.ipv4.neigh.lo.unres_qlen = 86
net.ipv4.neigh.lo.unres_qlen_bytes = 163840
net.ipv4.neigh.ra0.locktime = 100
net.ipv4.neigh.rai0.locktime = 100
net.ipv4.neigh.wds0.locktime = 100
net.ipv4.neigh.wds1.locktime = 100
net.ipv4.neigh.wds2.locktime = 100
net.ipv4.neigh.wds3.locktime = 100
net.ipv4.neigh.wdsi0.locktime = 100
net.ipv4.neigh.wdsi1.locktime = 100
net.ipv4.neigh.wdsi2.locktime = 100
net.ipv4.neigh.wdsi3.locktime = 100
net.ipv4.neigh.wg0.locktime = 100
net.ipv4.route.redirect_load = 2
net.ipv4.tcp_abort_on_overflow = 0
net.ipv4.tcp_allowed_congestion_control = cubic reno
net.ipv4.tcp_low_latency = 0
net.ipv4.tcp_max_syn_backlog = 128
net.ipv4.tcp_notsent_lowat = 4294967295
net.ipv4.tcp_slow_start_after_idle = 1
net.ipv6.auto_flowlabels = 1
net.ipv6.conf.all.accept_ra_from_local = 0
sysctl: error reading key 'net.ipv6.conf.all.stable_secret': I/O error
net.ipv6.conf.apcli0.accept_ra_from_local = 0
sysctl: error reading key 'net.ipv6.conf.apcli0.stable_secret': I/O error
net.ipv6.conf.apcli1.accept_ra_from_local = 0
sysctl: error reading key 'net.ipv6.conf.apcli1.stable_secret': I/O error
net.ipv6.conf.apclii0.accept_ra_from_local = 0
sysctl: error reading key 'net.ipv6.conf.apclii0.stable_secret': I/O error
net.ipv6.conf.apclii1.accept_ra_from_local = 0
sysctl: error reading key 'net.ipv6.conf.apclii1.stable_secret': I/O error
net.ipv6.conf.br-lan.accept_ra_from_local = 0
sysctl: error reading key 'net.ipv6.conf.br-lan.stable_secret': I/O error
net.ipv6.conf.default.accept_ra_from_local = 0
sysctl: error reading key 'net.ipv6.conf.default.stable_secret': I/O error
net.ipv6.conf.eth0.accept_ra_from_local = 0
sysctl: error reading key 'net.ipv6.conf.eth0.stable_secret': I/O error
net.ipv6.conf.eth0/1.accept_ra_from_local = 0
sysctl: error reading key 'net.ipv6.conf.eth0/1.stable_secret': I/O error
net.ipv6.conf.eth0/2.accept_ra_from_local = 0
sysctl: error reading key 'net.ipv6.conf.eth0/2.stable_secret': I/O error
net.ipv6.conf.lo.accept_dad = -1
net.ipv6.conf.lo.accept_ra = 0
net.ipv6.conf.lo.accept_ra_defrtr = 1
net.ipv6.conf.lo.accept_ra_from_local = 0
net.ipv6.conf.lo.accept_ra_min_hop_limit = 1
net.ipv6.conf.lo.accept_ra_mtu = 1
net.ipv6.conf.lo.accept_ra_pinfo = 1
net.ipv6.conf.lo.accept_redirects = 1
net.ipv6.conf.lo.accept_source_route = 0
net.ipv6.conf.lo.addr_gen_mode = 0
net.ipv6.conf.lo.autoconf = 1
net.ipv6.conf.lo.dad_transmits = 1
net.ipv6.conf.lo.disable_ipv6 = 0
net.ipv6.conf.lo.disable_policy = 0
net.ipv6.conf.lo.drop_unicast_in_l2_multicast = 0
net.ipv6.conf.lo.drop_unsolicited_na = 0
net.ipv6.conf.lo.enhanced_dad = 1
net.ipv6.conf.lo.force_mld_version = 0
net.ipv6.conf.lo.force_tllao = 0
net.ipv6.conf.lo.forwarding = 1
net.ipv6.conf.lo.hop_limit = 64
sysctl: error reading key 'net.ipv6.conf.lo.stable_secret': I/O error
net.ipv6.conf.lo.ignore_routes_with_linkdown = 0
net.ipv6.conf.lo.keep_addr_on_down = 0
net.ipv6.conf.lo.max_addresses = 16
net.ipv6.conf.lo.max_desync_factor = 600
net.ipv6.conf.lo.mc_forwarding = 0
net.ipv6.conf.lo.mldv1_unsolicited_report_interval = 10000
net.ipv6.conf.lo.mldv2_unsolicited_report_interval = 1000
net.ipv6.conf.lo.mtu = 65536
net.ipv6.conf.lo.ndisc_notify = 0
net.ipv6.conf.lo.proxy_ndp = 0
net.ipv6.conf.lo.regen_max_retry = 3
net.ipv6.conf.lo.router_solicitation_delay = 1
net.ipv6.conf.lo.router_solicitation_interval = 4
net.ipv6.conf.lo.router_solicitation_max_interval = 3600
net.ipv6.conf.lo.router_solicitations = -1
net.ipv6.conf.lo.seg6_enabled = 0
net.ipv6.conf.lo.suppress_frag_ndisc = 1
net.ipv6.conf.lo.temp_prefered_lft = 86400
net.ipv6.conf.lo.temp_valid_lft = 604800
net.ipv6.conf.lo.use_oif_addrs_only = 0
net.ipv6.conf.lo.use_tempaddr = -1
net.ipv6.conf.ra0.accept_ra_from_local = 0
sysctl: error reading key 'net.ipv6.conf.ra0.stable_secret': I/O error
net.ipv6.conf.rai0.accept_ra_from_local = 0
sysctl: error reading key 'net.ipv6.conf.rai0.stable_secret': I/O error
net.ipv6.conf.wds0.accept_ra_from_local = 0
sysctl: error reading key 'net.ipv6.conf.wds0.stable_secret': I/O error
net.ipv6.conf.wds1.accept_ra_from_local = 0
sysctl: error reading key 'net.ipv6.conf.wds1.stable_secret': I/O error
net.ipv6.conf.wds2.accept_ra_from_local = 0
sysctl: error reading key 'net.ipv6.conf.wds2.stable_secret': I/O error
net.ipv6.conf.wds3.accept_ra_from_local = 0
sysctl: error reading key 'net.ipv6.conf.wds3.stable_secret': I/O error
net.ipv6.conf.wdsi0.accept_ra_from_local = 0
sysctl: error reading key 'net.ipv6.conf.wdsi0.stable_secret': I/O error
net.ipv6.conf.wdsi1.accept_ra_from_local = 0
sysctl: error reading key 'net.ipv6.conf.wdsi1.stable_secret': I/O error
net.ipv6.conf.wdsi2.accept_ra_from_local = 0
sysctl: error reading key 'net.ipv6.conf.wdsi2.stable_secret': I/O error
net.ipv6.conf.wdsi3.accept_ra_from_local = 0
sysctl: error reading key 'net.ipv6.conf.wdsi3.stable_secret': I/O error
net.ipv6.conf.wg0.accept_ra_from_local = 0
sysctl: error reading key 'net.ipv6.conf.wg0.stable_secret': I/O error
net.ipv6.flowlabel_consistency = 1
net.ipv6.flowlabel_reflect = 0
net.ipv6.flowlabel_state_ranges = 0
net.ipv6.ip6frag_low_thresh = 3145728
net.ipv6.ip_nonlocal_bind = 0
net.ipv6.neigh.apcli0.locktime = 0
net.ipv6.neigh.apcli1.locktime = 0
net.ipv6.neigh.apclii0.locktime = 0
net.ipv6.neigh.apclii1.locktime = 0
net.ipv6.neigh.br-lan.locktime = 0
net.ipv6.neigh.default.locktime = 0
net.ipv6.neigh.eth0.locktime = 0
net.ipv6.neigh.eth0/1.locktime = 0
net.ipv6.neigh.eth0/2.locktime = 0
net.ipv6.neigh.lo.anycast_delay = 100
net.ipv6.neigh.lo.app_solicit = 0
net.ipv6.neigh.lo.base_reachable_time = 30
net.ipv6.neigh.lo.base_reachable_time_ms = 30000
net.ipv6.neigh.lo.delay_first_probe_time = 5
net.ipv6.neigh.lo.gc_stale_time = 60
net.ipv6.neigh.lo.locktime = 0
net.ipv6.neigh.lo.mcast_resolicit = 0
net.ipv6.neigh.lo.mcast_solicit = 3
net.ipv6.neigh.lo.proxy_delay = 80
net.ipv6.neigh.lo.proxy_qlen = 64
net.ipv6.neigh.lo.retrans_time = 100
net.ipv6.neigh.lo.retrans_time_ms = 1000
net.ipv6.neigh.lo.ucast_solicit = 3
net.ipv6.neigh.lo.unres_qlen = 86
net.ipv6.neigh.lo.unres_qlen_bytes = 163840
net.ipv6.neigh.ra0.locktime = 0
net.ipv6.neigh.rai0.locktime = 0
net.ipv6.neigh.wds0.locktime = 0
net.ipv6.neigh.wds1.locktime = 0
net.ipv6.neigh.wds2.locktime = 0
net.ipv6.neigh.wds3.locktime = 0
net.ipv6.neigh.wdsi0.locktime = 0
net.ipv6.neigh.wdsi1.locktime = 0
net.ipv6.neigh.wdsi2.locktime = 0
net.ipv6.neigh.wdsi3.locktime = 0
net.ipv6.neigh.wg0.locktime = 0
net.netfilter.nf_conntrack_frag6_low_thresh = 3145728
net.netfilter.nf_conntrack_log_invalid = 0
net.netfilter.nf_conntrack_tcp_loose = 1
net.netfilter.nf_conntrack_tcp_timeout_close = 10
net.netfilter.nf_conntrack_tcp_timeout_close_wait = 60
net.netfilter.nf_log.0 = NONE
net.netfilter.nf_log.1 = NONE
net.netfilter.nf_log.10 = nf_log_ipv6
net.netfilter.nf_log.11 = NONE
net.netfilter.nf_log.12 = NONE
net.netfilter.nf_log.2 = nf_log_ipv4
net.netfilter.nf_log.3 = NONE
net.netfilter.nf_log.4 = NONE
net.netfilter.nf_log.5 = NONE
net.netfilter.nf_log.6 = NONE
net.netfilter.nf_log.7 = NONE
net.netfilter.nf_log.8 = NONE
net.netfilter.nf_log.9 = NONE
net.netfilter.nf_log_all_netns = 0
vm.block_dump = 0
vm.compact_unevictable_allowed = 1
vm.lowmem_reserve_ratio = 32	32
vm.oom_kill_allocating_task = 0