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VyOS slow to get wan pppoe ipv6 address after disconnect and reconnect pppoe interface
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Description

Hi all:

Topology:

VyOS——ISP

I find VyOS always slow to get wan pppoe ipv6 address after disconnect and reconnect pppoe interface via cli or unplug/plug cable line. I can get same results by using VyOS as pppoe server, so, It seems that is not ISP's fault.

This is my configuration from VyOS client.

vyos@vyos:~$ show configuration commands 
set interfaces ethernet eth0 address '172.29.144.71/24'
set interfaces ethernet eth1 ipv6 address
set interfaces ethernet eth2 address '10.200.0.1/24'
set interfaces loopback lo
set interfaces pppoe pppoe0 authentication password '111'
set interfaces pppoe pppoe0 authentication username 'tony003'
set interfaces pppoe pppoe0 dhcpv6-options pd 0 interface eth2 sla-id '0'
set interfaces pppoe pppoe0 dhcpv6-options pd 0 length '56'
set interfaces pppoe pppoe0 ipv6 address autoconf
set interfaces pppoe pppoe0 mtu '1492'
set interfaces pppoe pppoe0 source-interface 'eth1'
set nat source rule 100 outbound-interface name 'pppoe0'
set nat source rule 100 source address '10.200.0.0/24'
set nat source rule 100 translation address 'masquerade'
set protocols static route 10.104.0.0/16 next-hop 172.29.144.1
set service ntp allow-client address '0.0.0.0/0'
set service ntp allow-client address '::/0'
set service ntp server time1.vyos.net
set service ntp server time2.vyos.net
set service ntp server time3.vyos.net
set service router-advert interface eth2 link-mtu '1492'
set service router-advert interface eth2 prefix ::/64 valid-lifetime '172800'
set service ssh port '22'
set system config-management commit-revisions '100'
set system conntrack modules ftp
set system conntrack modules h323
set system conntrack modules nfs
set system conntrack modules pptp
set system conntrack modules sip
set system conntrack modules sqlnet
set system conntrack modules tftp
set system console device ttyS0 speed '115200'
set system host-name 'vyos'
set system login user vyos authentication encrypted-password '$6$rounds=656000$B3WXVTSuuJjF5vhQ$oSVS27Jii9Ghw2CNenW.9cTmgQmap7ybZw2l6t7ndkcmXJabRtL3MbTSEVRlVSQNtmF2KLzgQB59uMkIpTbE/0'
set system login user vyos authentication plaintext-password ''
set system syslog global facility all level 'info'
set system syslog global facility local7 level 'debug'

This is my configuration from VyOS server.

vyos@vyos:~$ show configuration commands 
set interfaces ethernet eth0 address '172.29.144.72/24'
set interfaces ethernet eth0 address '2011::1/64'
set interfaces loopback lo
set protocols static route 10.104.0.0/16 next-hop 172.29.144.1
set service ntp allow-client address '0.0.0.0/0'
set service ntp allow-client address '::/0'
set service ntp server time1.vyos.net
set service ntp server time2.vyos.net
set service ntp server time3.vyos.net
set service pppoe-server authentication local-users username tony003 password '111'
set service pppoe-server authentication local-users username tony004 password '111'
set service pppoe-server authentication mode 'local'
set service pppoe-server client-ip-pool IP-POOL range '116.0.0.1/24'
set service pppoe-server client-ipv6-pool delegate 240e:db8:8003::/48 delegation-prefix '56'
set service pppoe-server client-ipv6-pool prefix 240e:db8:8002::/48 mask '64'
set service pppoe-server default-pool 'IP-POOL'
set service pppoe-server gateway-address '116.0.0.1'
set service pppoe-server interface eth1
set service pppoe-server name-server '192.168.5.188'
set service pppoe-server name-server '240e:db8:4860::8888'
set service pppoe-server ppp-options ipv6 'allow'
set service ssh port '22'
set system config-management commit-revisions '100'
set system conntrack modules ftp
set system conntrack modules h323
set system conntrack modules nfs
set system conntrack modules pptp
set system conntrack modules sip
set system conntrack modules sqlnet
set system conntrack modules tftp
set system console device ttyS0 speed '115200'
set system host-name 'vyos'
set system login user vyos authentication encrypted-password '$6$rounds=656000$VO0o03It0k0hNTvD$8YsCM59uvrqj40urt6Fwfss1EptfmZRFugoOVJQdgLV6HWv0BkiE8GDqasX4Eg9oL4JGHums3HmuV/YDo4iz7.'
set system login user vyos authentication plaintext-password ''
set system syslog global facility all level 'info'
set system syslog global facility local7 level 'debug'

It can get wan's ipv4 address and lan's ipv4/ipv6 address and ipv6 prefix quick enough after reconnect pppoe server but not wan's ipv6 address even if I find vyos already get the RA packet.

vyos@vyos:~$ disconnect interface pppoe0 
Interface pppoe0: disconnecting...
vyos@vyos:~$ connect interface pppoe0 
Interface pppoe0: connecting...
vyos@vyos:~$ show interface summary
Codes: S - State, L - Link, u - Up, D - Down, A - Admin Down
Interface        IP Address                        S/L  Description
---------        ----------                        ---  -----------
eth0             172.29.144.71/24                  u/u  
eth1             -                                 u/u  
eth2             10.200.0.1/24                     u/u  
                 240e:db8:8003:df00:8ceb:67ff:fe24:d04d/64
                                                        
lo               127.0.0.1/8                       u/u  
                 ::1/128                                
pppoe0           116.0.0.44/32                     u/u

This is the ndp log, it tooks about 10 minute to get ipv6 address.

bash
vyos@vyos:~$ monitor ndp  
^Cvyos@vyos:~$ monitor ndp  
NDP payload len 32, from addr: fe80::75b6:e50a:1d18:6ca, iface: eth2
  Type: NS
NDP payload len 72, from addr: fe80::100:0:0:0, iface: pppoe0
  Type: RA
  Hop limit: 64
  Managed address configuration: yes
  Other configuration: yes
  Default router preference: medium
  Router lifetime: 1800s
  Reachable time: unspecified
  Retransmit time: unspecified
  Prefix: 240e:db8:8002:127::/64, valid_time: 2592000s, preferred_time: 604800s, on_link: yes, autonomous_addr_conf: yes, router_addr: no
  Recursive DNS Servers: 240e:db8:4860::8888, lifetime: 600s
NDP payload len 40, from addr: fe80::8ceb:67ff:fe24:d04d, iface: eth2
  Type: RA
  Hop limit: 64
  Managed address configuration: no
  Other configuration: no
  Default router preference: medium
  Router lifetime: 1800s
  Reachable time: unspecified
  Retransmit time: unspecified
  Source linkaddr: 8e:eb:67:24:d0:4d
  MTU: 1492
NDP payload len 72, from addr: fe80::100:0:0:0, iface: pppoe0
  Type: RA
  Hop limit: 64
  Managed address configuration: yes
  Other configuration: yes
  Default router preference: medium
  Router lifetime: 1800s
  Reachable time: unspecified
  Retransmit time: unspecified
  Prefix: 240e:db8:8002:127::/64, valid_time: 2592000s, preferred_time: 604800s, on_link: yes, autonomous_addr_conf: yes, router_addr: no
  Recursive DNS Servers: 240e:db8:4860::8888, lifetime: 600s
NDP payload len 32, from addr: fe80::684d:55ff:fea0:287e, iface: eth2
  Type: NS
NDP payload len 72, from addr: fe80::100:0:0:0, iface: pppoe0
  Type: RA
  Hop limit: 64
  Managed address configuration: yes
  Other configuration: yes
  Default router preference: medium
  Router lifetime: 1800s
  Reachable time: unspecified
  Retransmit time: unspecified
  Prefix: 240e:db8:8002:127::/64, valid_time: 2592000s, preferred_time: 604800s, on_link: yes, autonomous_addr_conf: yes, router_addr: no
  Recursive DNS Servers: 240e:db8:4860::8888, lifetime: 600s
NDP payload len 72, from addr: fe80::100:0:0:0, iface: pppoe0
  Type: RA
  Hop limit: 64
  Managed address configuration: yes
  Other configuration: yes
  Default router preference: medium
  Router lifetime: 1800s
  Reachable time: unspecified
  Retransmit time: unspecified
  Prefix: 240e:db8:8002:127::/64, valid_time: 2592000s, preferred_time: 604800s, on_link: yes, autonomous_addr_conf: yes, router_addr: no
  Recursive DNS Servers: 240e:db8:4860::8888, lifetime: 600s
NDP payload len 24, from addr: fe80::684d:55ff:fea0:287e, iface: eth2
  Type: NA
NDP payload len 72, from addr: fe80::100:0:0:0, iface: pppoe0
  Type: RA
  Hop limit: 64
  Managed address configuration: yes
  Other configuration: yes
  Default router preference: medium
  Router lifetime: 1800s
  Reachable time: unspecified
  Retransmit time: unspecified
  Prefix: 240e:db8:8002:127::/64, valid_time: 2592000s, preferred_time: 604800s, on_link: yes, autonomous_addr_conf: yes, router_addr: no
  Recursive DNS Servers: 240e:db8:4860::8888, lifetime: 600s
NDP payload len 72, from addr: fe80::100:0:0:0, iface: pppoe0
  Type: RA
  Hop limit: 64
  Managed address configuration: yes
  Other configuration: yes
  Default router preference: medium
  Router lifetime: 1800s
  Reachable time: unspecified
  Retransmit time: unspecified
  Prefix: 240e:db8:8002:127::/64, valid_time: 2592000s, preferred_time: 604800s, on_link: yes, autonomous_addr_conf: yes, router_addr: no
  Recursive DNS Servers: 240e:db8:4860::8888, lifetime: 600s
NDP payload len 40, from addr: fe80::8ceb:67ff:fe24:d04d, iface: eth2
  Type: RA
  Hop limit: 64
  Managed address configuration: no
  Other configuration: no
  Default router preference: medium
  Router lifetime: 1800s
  Reachable time: unspecified
  Retransmit time: unspecified
  Source linkaddr: 8e:eb:67:24:d0:4d
  MTU: 1492
NDP payload len 32, from addr: fe80::75b6:e50a:1d18:6ca, iface: eth2
  Type: NS
NDP payload len 72, from addr: fe80::8ceb:67ff:fe24:d04d, iface: eth2
  Type: RA
  Hop limit: 64
  Managed address configuration: no
  Other configuration: no
  Default router preference: medium
  Router lifetime: 1800s
  Reachable time: unspecified
  Retransmit time: unspecified
  Source linkaddr: 8e:eb:67:24:d0:4d
  Prefix: 240e:db8:8003:de00::/64, valid_time: 172800s, preferred_time: 14400s, on_link: yes, autonomous_addr_conf: yes, router_addr: no
  MTU: 1492
NDP payload len 24, from addr: fe80::75b6:e50a:1d18:6ca, iface: eth2
  Type: NA
NDP payload len 72, from addr: fe80::8ceb:67ff:fe24:d04d, iface: eth2
  Type: RA
  Hop limit: 64
  Managed address configuration: no
  Other configuration: no
  Default router preference: medium
  Router lifetime: 1800s
  Reachable time: unspecified
  Retransmit time: unspecified
  Source linkaddr: 8e:eb:67:24:d0:4d
  Prefix: 240e:db8:8003:de00::/64, valid_time: 172800s, preferred_time: 14400s, on_link: yes, autonomous_addr_conf: yes, router_addr: no
  MTU: 1492
NDP payload len 32, from addr: 240e:db8:8003:de00:c8f5:83ff:feaf:ab98, iface: eth2
  Type: NA
NDP payload len 32, from addr: fe80::c8f5:83ff:feaf:ab98, iface: eth2
  Type: NS
NDP payload len 72, from addr: fe80::8ceb:67ff:fe24:d04d, iface: eth2
  Type: RA
  Hop limit: 64
  Managed address configuration: no
  Other configuration: no
  Default router preference: medium
  Router lifetime: 1800s
  Reachable time: unspecified
  Retransmit time: unspecified
  Source linkaddr: 8e:eb:67:24:d0:4d
  Prefix: 240e:db8:8003:de00::/64, valid_time: 172800s, preferred_time: 14400s, on_link: yes, autonomous_addr_conf: yes, router_addr: no
  MTU: 1492
NDP payload len 32, from addr: fe80::75b6:e50a:1d18:6ca, iface: eth2
  Type: NS
NDP payload len 24, from addr: fe80::c8f5:83ff:feaf:ab98, iface: eth2
  Type: NA
NDP payload len 32, from addr: fe80::75b6:e50a:1d18:6ca, iface: eth2
  Type: NS
NDP payload len 24, from addr: fe80::75b6:e50a:1d18:6ca, iface: eth2
  Type: NA
^Cvyos@vyos:~$ monitor ndp  
NDP payload len 72, from addr: fe80::100:0:0:0, iface: pppoe0
  Type: RA
  Hop limit: 64
  Managed address configuration: yes
  Other configuration: yes
  Default router preference: medium
  Router lifetime: 1800s
  Reachable time: unspecified
  Retransmit time: unspecified
  Prefix: 240e:db8:8002:128::/64, valid_time: 2592000s, preferred_time: 604800s, on_link: yes, autonomous_addr_conf: yes, router_addr: no
  Recursive DNS Servers: 240e:db8:4860::8888, lifetime: 600s
NDP payload len 40, from addr: fe80::8ceb:67ff:fe24:d04d, iface: eth2
  Type: RA
  Hop limit: 64
  Managed address configuration: no
  Other configuration: no
  Default router preference: medium
  Router lifetime: 1800s
  Reachable time: unspecified
  Retransmit time: unspecified
  Source linkaddr: 8e:eb:67:24:d0:4d
  MTU: 1492
NDP payload len 72, from addr: fe80::100:0:0:0, iface: pppoe0
  Type: RA
  Hop limit: 64
  Managed address configuration: yes
  Other configuration: yes
  Default router preference: medium
  Router lifetime: 1800s
  Reachable time: unspecified
  Retransmit time: unspecified
  Prefix: 240e:db8:8002:128::/64, valid_time: 2592000s, preferred_time: 604800s, on_link: yes, autonomous_addr_conf: yes, router_addr: no
  Recursive DNS Servers: 240e:db8:4860::8888, lifetime: 600s
NDP payload len 72, from addr: fe80::100:0:0:0, iface: pppoe0
  Type: RA
  Hop limit: 64
  Managed address configuration: yes
  Other configuration: yes
  Default router preference: medium
  Router lifetime: 1800s
  Reachable time: unspecified
  Retransmit time: unspecified
  Prefix: 240e:db8:8002:128::/64, valid_time: 2592000s, preferred_time: 604800s, on_link: yes, autonomous_addr_conf: yes, router_addr: no
  Recursive DNS Servers: 240e:db8:4860::8888, lifetime: 600s
NDP payload len 72, from addr: fe80::100:0:0:0, iface: pppoe0
  Type: RA
  Hop limit: 64
  Managed address configuration: yes
  Other configuration: yes
  Default router preference: medium
  Router lifetime: 1800s
  Reachable time: unspecified
  Retransmit time: unspecified
  Prefix: 240e:db8:8002:128::/64, valid_time: 2592000s, preferred_time: 604800s, on_link: yes, autonomous_addr_conf: yes, router_addr: no
  Recursive DNS Servers: 240e:db8:4860::8888, lifetime: 600s
NDP payload len 72, from addr: fe80::100:0:0:0, iface: pppoe0
  Type: RA
  Hop limit: 64
  Managed address configuration: yes
  Other configuration: yes
  Default router preference: medium
  Router lifetime: 1800s
  Reachable time: unspecified
  Retransmit time: unspecified
  Prefix: 240e:db8:8002:128::/64, valid_time: 2592000s, preferred_time: 604800s, on_link: yes, autonomous_addr_conf: yes, router_addr: no
  Recursive DNS Servers: 240e:db8:4860::8888, lifetime: 600s
NDP payload len 72, from addr: fe80::100:0:0:0, iface: pppoe0
  Type: RA
  Hop limit: 64
  Managed address configuration: yes
  Other configuration: yes
  Default router preference: medium
  Router lifetime: 1800s
  Reachable time: unspecified
  Retransmit time: unspecified
  Prefix: 240e:db8:8002:128::/64, valid_time: 2592000s, preferred_time: 604800s, on_link: yes, autonomous_addr_conf: yes, router_addr: no
  Recursive DNS Servers: 240e:db8:4860::8888, lifetime: 600s
NDP payload len 32, from addr: fe80::75b6:e50a:1d18:6ca, iface: eth2
  Type: NS
NDP payload len 40, from addr: fe80::8ceb:67ff:fe24:d04d, iface: eth2
  Type: RA
  Hop limit: 64
  Managed address configuration: no
  Other configuration: no
  Default router preference: medium
  Router lifetime: 1800s
  Reachable time: unspecified
  Retransmit time: unspecified
  Source linkaddr: 8e:eb:67:24:d0:4d
  MTU: 1492
NDP payload len 24, from addr: fe80::75b6:e50a:1d18:6ca, iface: eth2
  Type: NA
NDP payload len 72, from addr: fe80::8ceb:67ff:fe24:d04d, iface: eth2
  Type: RA
  Hop limit: 64
  Managed address configuration: no
  Other configuration: no
  Default router preference: medium
  Router lifetime: 1800s
  Reachable time: unspecified
  Retransmit time: unspecified
  Source linkaddr: 8e:eb:67:24:d0:4d
  Prefix: 240e:db8:8003:df00::/64, valid_time: 172800s, preferred_time: 14400s, on_link: yes, autonomous_addr_conf: yes, router_addr: no
  MTU: 1492
NDP payload len 72, from addr: fe80::8ceb:67ff:fe24:d04d, iface: eth2
  Type: RA
  Hop limit: 64
  Managed address configuration: no
  Other configuration: no
  Default router preference: medium
  Router lifetime: 1800s
  Reachable time: unspecified
  Retransmit time: unspecified
  Source linkaddr: 8e:eb:67:24:d0:4d
  Prefix: 240e:db8:8003:df00::/64, valid_time: 172800s, preferred_time: 14400s, on_link: yes, autonomous_addr_conf: yes, router_addr: no
  MTU: 1492
NDP payload len 32, from addr: fe80::75b6:e50a:1d18:6ca, iface: eth2
  Type: NS
NDP payload len 32, from addr: 240e:db8:8003:df00:8e70:9f5f:4689:f0ac, iface: eth2
  Type: NA
NDP payload len 24, from addr: fe80::75b6:e50a:1d18:6ca, iface: eth2
  Type: NA
NDP payload len 72, from addr: fe80::8ceb:67ff:fe24:d04d, iface: eth2
  Type: RA
  Hop limit: 64
  Managed address configuration: no
  Other configuration: no
  Default router preference: medium
  Router lifetime: 1800s
  Reachable time: unspecified
  Retransmit time: unspecified
  Source linkaddr: 8e:eb:67:24:d0:4d
  Prefix: 240e:db8:8003:df00::/64, valid_time: 172800s, preferred_time: 14400s, on_link: yes, autonomous_addr_conf: yes, router_addr: no
  MTU: 1492
NDP payload len 24, from addr: 240e:db8:8003:df00:8e70:9f5f:4689:f0ac, iface: eth2
  Type: NA
NDP payload len 32, from addr: fe80::75b6:e50a:1d18:6ca, iface: eth2
  Type: NS
NDP payload len 24, from addr: fe80::75b6:e50a:1d18:6ca, iface: eth2
  Type: NA
NDP payload len 32, from addr: fe80::75b6:e50a:1d18:6ca, iface: eth2
  Type: NS
NDP payload len 24, from addr: fe80::75b6:e50a:1d18:6ca, iface: eth2
  Type: NA
^Cvyos@vyos:~$ monitor ndp  
NDP payload len 32, from addr: fe80::75b6:e50a:1d18:6ca, iface: eth2
  Type: NS
NDP payload len 24, from addr: fe80::684d:55ff:fea0:287e, iface: eth2
  Type: NA
NDP payload len 24, from addr: fe80::75b6:e50a:1d18:6ca, iface: eth2
  Type: NA
^Cvyos@vyos:~$ 
vyos@vyos:~$ monitor ndp  
NDP payload len 32, from addr: fe80::75b6:e50a:1d18:6ca, iface: eth2
  Type: NS
NDP payload len 72, from addr: fe80::100:0:0:0, iface: pppoe0
  Type: RA
  Hop limit: 64
  Managed address configuration: yes
  Other configuration: yes
  Default router preference: medium
  Router lifetime: 1800s
  Reachable time: unspecified
  Retransmit time: unspecified
  Prefix: 240e:db8:8002:12a::/64, valid_time: 2592000s, preferred_time: 604800s, on_link: yes, autonomous_addr_conf: yes, router_addr: no
  Recursive DNS Servers: 240e:db8:4860::8888, lifetime: 600s
NDP payload len 24, from addr: fe80::75b6:e50a:1d18:6ca, iface: eth2
  Type: NA
NDP payload len 72, from addr: fe80::8ceb:67ff:fe24:d04d, iface: eth2
  Type: RA
  Hop limit: 64
  Managed address configuration: no
  Other configuration: no
  Default router preference: medium
  Router lifetime: 1800s
  Reachable time: unspecified
  Retransmit time: unspecified
  Source linkaddr: 8e:eb:67:24:d0:4d
  Prefix: 240e:db8:8003:e000::/64, valid_time: 172800s, preferred_time: 14400s, on_link: yes, autonomous_addr_conf: yes, router_addr: no
  MTU: 1492
NDP payload len 72, from addr: fe80::100:0:0:0, iface: pppoe0
  Type: RA
  Hop limit: 64
  Managed address configuration: yes
  Other configuration: yes
  Default router preference: medium
  Router lifetime: 1800s
  Reachable time: unspecified
  Retransmit time: unspecified
  Prefix: 240e:db8:8002:12a::/64, valid_time: 2592000s, preferred_time: 604800s, on_link: yes, autonomous_addr_conf: yes, router_addr: no
  Recursive DNS Servers: 240e:db8:4860::8888, lifetime: 600s
NDP payload len 72, from addr: fe80::100:0:0:0, iface: pppoe0
  Type: RA
  Hop limit: 64
  Managed address configuration: yes
  Other configuration: yes
  Default router preference: medium
  Router lifetime: 1800s
  Reachable time: unspecified
  Retransmit time: unspecified
  Prefix: 240e:db8:8002:12a::/64, valid_time: 2592000s, preferred_time: 604800s, on_link: yes, autonomous_addr_conf: yes, router_addr: no
  Recursive DNS Servers: 240e:db8:4860::8888, lifetime: 600s
NDP payload len 72, from addr: fe80::100:0:0:0, iface: pppoe0
  Type: RA
  Hop limit: 64
  Managed address configuration: yes
  Other configuration: yes
  Default router preference: medium
  Router lifetime: 1800s
  Reachable time: unspecified
  Retransmit time: unspecified
  Prefix: 240e:db8:8002:12a::/64, valid_time: 2592000s, preferred_time: 604800s, on_link: yes, autonomous_addr_conf: yes, router_addr: no
  Recursive DNS Servers: 240e:db8:4860::8888, lifetime: 600s
NDP payload len 72, from addr: fe80::100:0:0:0, iface: pppoe0
  Type: RA
  Hop limit: 64
  Managed address configuration: yes
  Other configuration: yes
  Default router preference: medium
  Router lifetime: 1800s
  Reachable time: unspecified
  Retransmit time: unspecified
  Prefix: 240e:db8:8002:12a::/64, valid_time: 2592000s, preferred_time: 604800s, on_link: yes, autonomous_addr_conf: yes, router_addr: no
  Recursive DNS Servers: 240e:db8:4860::8888, lifetime: 600s
NDP payload len 72, from addr: fe80::100:0:0:0, iface: pppoe0
  Type: RA
  Hop limit: 64
  Managed address configuration: yes
  Other configuration: yes
  Default router preference: medium
  Router lifetime: 1800s
  Reachable time: unspecified
  Retransmit time: unspecified
  Prefix: 240e:db8:8002:12a::/64, valid_time: 2592000s, preferred_time: 604800s, on_link: yes, autonomous_addr_conf: yes, router_addr: no
  Recursive DNS Servers: 240e:db8:4860::8888, lifetime: 600s
NDP payload len 32, from addr: 240e:db8:8003:e000:c8f5:83ff:feaf:ab98, iface: eth2
  Type: NA
NDP payload len 72, from addr: fe80::8ceb:67ff:fe24:d04d, iface: eth2
  Type: RA
  Hop limit: 64
  Managed address configuration: no
  Other configuration: no
  Default router preference: medium
  Router lifetime: 1800s
  Reachable time: unspecified
  Retransmit time: unspecified
  Source linkaddr: 8e:eb:67:24:d0:4d
  Prefix: 240e:db8:8003:e000::/64, valid_time: 172800s, preferred_time: 14400s, on_link: yes, autonomous_addr_conf: yes, router_addr: no
  MTU: 1492
NDP payload len 32, from addr: fe80::c8f5:83ff:feaf:ab98, iface: eth2
  Type: NS
^Cvyos@vyos:~$ 
vyos@vyos:~$ monitor ndp  
NDP payload len 72, from addr: fe80::100:0:0:0, iface: pppoe0
  Type: RA
  Hop limit: 64
  Managed address configuration: yes
  Other configuration: yes
  Default router preference: medium
  Router lifetime: 1800s
  Reachable time: unspecified
  Retransmit time: unspecified
  Prefix: 240e:db8:8002:12b::/64, valid_time: 2592000s, preferred_time: 604800s, on_link: yes, autonomous_addr_conf: yes, router_addr: no
  Recursive DNS Servers: 240e:db8:4860::8888, lifetime: 600s
NDP payload len 40, from addr: fe80::8ceb:67ff:fe24:d04d, iface: eth2
  Type: RA
  Hop limit: 64
  Managed address configuration: no
  Other configuration: no
  Default router preference: medium
  Router lifetime: 1800s
  Reachable time: unspecified
  Retransmit time: unspecified
  Source linkaddr: 8e:eb:67:24:d0:4d
  MTU: 1492
NDP payload len 72, from addr: fe80::100:0:0:0, iface: pppoe0
  Type: RA
  Hop limit: 64
  Managed address configuration: yes
  Other configuration: yes
  Default router preference: medium
  Router lifetime: 1800s
  Reachable time: unspecified
  Retransmit time: unspecified
  Prefix: 240e:db8:8002:12b::/64, valid_time: 2592000s, preferred_time: 604800s, on_link: yes, autonomous_addr_conf: yes, router_addr: no
  Recursive DNS Servers: 240e:db8:4860::8888, lifetime: 600s
NDP payload len 72, from addr: fe80::100:0:0:0, iface: pppoe0
  Type: RA
  Hop limit: 64
  Managed address configuration: yes
  Other configuration: yes
  Default router preference: medium
  Router lifetime: 1800s
  Reachable time: unspecified
  Retransmit time: unspecified
  Prefix: 240e:db8:8002:12b::/64, valid_time: 2592000s, preferred_time: 604800s, on_link: yes, autonomous_addr_conf: yes, router_addr: no
  Recursive DNS Servers: 240e:db8:4860::8888, lifetime: 600s
NDP payload len 72, from addr: fe80::100:0:0:0, iface: pppoe0
  Type: RA
  Hop limit: 64
  Managed address configuration: yes
  Other configuration: yes
  Default router preference: medium
  Router lifetime: 1800s
  Reachable time: unspecified
  Retransmit time: unspecified
  Prefix: 240e:db8:8002:12b::/64, valid_time: 2592000s, preferred_time: 604800s, on_link: yes, autonomous_addr_conf: yes, router_addr: no
  Recursive DNS Servers: 240e:db8:4860::8888, lifetime: 600s
NDP payload len 72, from addr: fe80::100:0:0:0, iface: pppoe0
  Type: RA
  Hop limit: 64
  Managed address configuration: yes
  Other configuration: yes
  Default router preference: medium
  Router lifetime: 1800s
  Reachable time: unspecified
  Retransmit time: unspecified
  Prefix: 240e:db8:8002:12b::/64, valid_time: 2592000s, preferred_time: 604800s, on_link: yes, autonomous_addr_conf: yes, router_addr: no
  Recursive DNS Servers: 240e:db8:4860::8888, lifetime: 600s
NDP payload len 72, from addr: fe80::100:0:0:0, iface: pppoe0
  Type: RA
  Hop limit: 64
  Managed address configuration: yes
  Other configuration: yes
  Default router preference: medium
  Router lifetime: 1800s
  Reachable time: unspecified
  Retransmit time: unspecified
  Prefix: 240e:db8:8002:12b::/64, valid_time: 2592000s, preferred_time: 604800s, on_link: yes, autonomous_addr_conf: yes, router_addr: no
  Recursive DNS Servers: 240e:db8:4860::8888, lifetime: 600s
NDP payload len 32, from addr: fe80::75b6:e50a:1d18:6ca, iface: eth2
  Type: NS
NDP payload len 40, from addr: fe80::8ceb:67ff:fe24:d04d, iface: eth2
  Type: RA
  Hop limit: 64
  Managed address configuration: no
  Other configuration: no
  Default router preference: medium
  Router lifetime: 1800s
  Reachable time: unspecified
  Retransmit time: unspecified
  Source linkaddr: 8e:eb:67:24:d0:4d
  MTU: 1492
NDP payload len 72, from addr: fe80::8ceb:67ff:fe24:d04d, iface: eth2
  Type: RA
  Hop limit: 64
  Managed address configuration: no
  Other configuration: no
  Default router preference: medium
  Router lifetime: 1800s
  Reachable time: unspecified
  Retransmit time: unspecified
  Source linkaddr: 8e:eb:67:24:d0:4d
  Prefix: 240e:db8:8003:e100::/64, valid_time: 172800s, preferred_time: 14400s, on_link: yes, autonomous_addr_conf: yes, router_addr: no
  MTU: 1492
NDP payload len 32, from addr: 240e:db8:8003:e100:dc63:589b:16b3:684e, iface: eth2
  Type: NA
NDP payload len 32, from addr: fe80::75b6:e50a:1d18:6ca, iface: eth2
  Type: NS
NDP payload len 72, from addr: fe80::8ceb:67ff:fe24:d04d, iface: eth2
  Type: RA
  Hop limit: 64
  Managed address configuration: no
  Other configuration: no
  Default router preference: medium
  Router lifetime: 1800s
  Reachable time: unspecified
  Retransmit time: unspecified
  Source linkaddr: 8e:eb:67:24:d0:4d
  Prefix: 240e:db8:8003:e100::/64, valid_time: 172800s, preferred_time: 14400s, on_link: yes, autonomous_addr_conf: yes, router_addr: no
  MTU: 1492
NDP payload len 24, from addr: fe80::75b6:e50a:1d18:6ca, iface: eth2
  Type: NA
NDP payload len 72, from addr: fe80::8ceb:67ff:fe24:d04d, iface: eth2
  Type: RA
  Hop limit: 64
  Managed address configuration: no
  Other configuration: no
  Default router preference: medium
  Router lifetime: 1800s
  Reachable time: unspecified
  Retransmit time: unspecified
  Source linkaddr: 8e:eb:67:24:d0:4d
  Prefix: 240e:db8:8003:e100::/64, valid_time: 172800s, preferred_time: 14400s, on_link: yes, autonomous_addr_conf: yes, router_addr: no
  MTU: 1492
NDP payload len 32, from addr: fe80::75b6:e50a:1d18:6ca, iface: eth2
  Type: NS
NDP payload len 16, from addr: fe80::70e4:36ff:fed4:adf1, iface: eth1
  Type: RS
NDP payload len 24, from addr: 240e:db8:8003:e100:dc63:589b:16b3:684e, iface: eth2
  Type: NA
NDP payload len 32, from addr: fe80::75b6:e50a:1d18:6ca, iface: eth2
  Type: NS
NDP payload len 24, from addr: fe80::75b6:e50a:1d18:6ca, iface: eth2
  Type: NA
NDP payload len 32, from addr: fe80::75b6:e50a:1d18:6ca, iface: eth2
  Type: NS
NDP payload len 24, from addr: 240e:db8:8003:e100:dc63:589b:16b3:684e, iface: eth2
  Type: NA
NDP payload len 32, from addr: fe80::75b6:e50a:1d18:6ca, iface: eth2
  Type: NS
NDP payload len 24, from addr: fe80::75b6:e50a:1d18:6ca, iface: eth2
  Type: NA
NDP payload len 24, from addr: 240e:db8:8003:e100:dc63:589b:16b3:684e, iface: eth2
  Type: NA
NDP payload len 32, from addr: 240e:db8:8003:e100:684d:55ff:fea0:287e, iface: eth2
  Type: NA
NDP payload len 32, from addr: fe80::684d:55ff:fea0:287e, iface: eth2
  Type: NS
NDP payload len 32, from addr: fe80::75b6:e50a:1d18:6ca, iface: eth2
  Type: NS
NDP payload len 24, from addr: fe80::684d:55ff:fea0:287e, iface: eth2
  Type: NA
NDP payload len 24, from addr: 240e:db8:8003:e100:dc63:589b:16b3:684e, iface: eth2
  Type: NA
NDP payload len 32, from addr: fe80::75b6:e50a:1d18:6ca, iface: eth2
  Type: NS
NDP payload len 24, from addr: fe80::75b6:e50a:1d18:6ca, iface: eth2
  Type: NA
NDP payload len 32, from addr: 240e:db8:8003:e100:c8f5:83ff:feaf:ab98, iface: eth2
  Type: NA
NDP payload len 72, from addr: fe80::8ceb:67ff:fe24:d04d, iface: eth2
  Type: RA
  Hop limit: 64
  Managed address configuration: no
  Other configuration: no
  Default router preference: medium
  Router lifetime: 1800s
  Reachable time: unspecified
  Retransmit time: unspecified
  Source linkaddr: 8e:eb:67:24:d0:4d
  Prefix: 240e:db8:8003:e100::/64, valid_time: 172800s, preferred_time: 14400s, on_link: yes, autonomous_addr_conf: yes, router_addr: no
  MTU: 1492
NDP payload len 32, from addr: fe80::c8f5:83ff:feaf:ab98, iface: eth2
  Type: NS
NDP payload len 24, from addr: fe80::c8f5:83ff:feaf:ab98, iface: eth2
  Type: NA
NDP payload len 32, from addr: fe80::75b6:e50a:1d18:6ca, iface: eth2
  Type: NS
NDP payload len 32, from addr: fe80::75b6:e50a:1d18:6ca, iface: eth2
  Type: NS
NDP payload len 24, from addr: 240e:db8:8003:e100:dc63:589b:16b3:684e, iface: eth2
  Type: NA
NDP payload len 24, from addr: fe80::75b6:e50a:1d18:6ca, iface: eth2
  Type: NA
NDP payload len 24, from addr: 240e:db8:8003:e100:dc63:589b:16b3:684e, iface: eth2
  Type: NA
NDP payload len 32, from addr: fe80::75b6:e50a:1d18:6ca, iface: eth2
  Type: NS
NDP payload len 24, from addr: fe80::75b6:e50a:1d18:6ca, iface: eth2
  Type: NA
NDP payload len 24, from addr: 240e:db8:8003:e100:dc63:589b:16b3:684e, iface: eth2
  Type: NA
NDP payload len 32, from addr: fe80::75b6:e50a:1d18:6ca, iface: eth2
  Type: NS
NDP payload len 24, from addr: fe80::75b6:e50a:1d18:6ca, iface: eth2
  Type: NA
NDP payload len 24, from addr: 240e:db8:8003:e100:dc63:589b:16b3:684e, iface: eth2
  Type: NA
NDP payload len 24, from addr: 240e:db8:8003:e100:dc63:589b:16b3:684e, iface: eth2
  Type: NA
NDP payload len 32, from addr: fe80::75b6:e50a:1d18:6ca, iface: eth2
  Type: NS
NDP payload len 24, from addr: fe80::75b6:e50a:1d18:6ca, iface: eth2
  Type: NA
NDP payload len 24, from addr: 240e:db8:8003:e100:dc63:589b:16b3:684e, iface: eth2
  Type: NA
NDP payload len 32, from addr: fe80::75b6:e50a:1d18:6ca, iface: eth2
  Type: NS
NDP payload len 32, from addr: fe80::684d:55ff:fea0:287e, iface: eth2
  Type: NS
NDP payload len 24, from addr: 240e:db8:8003:e100:684d:55ff:fea0:287e, iface: eth2
  Type: NA
NDP payload len 24, from addr: fe80::684d:55ff:fea0:287e, iface: eth2
  Type: NA
NDP payload len 32, from addr: fe80::75b6:e50a:1d18:6ca, iface: eth2
  Type: NS
NDP payload len 24, from addr: 240e:db8:8003:e100:dc63:589b:16b3:684e, iface: eth2
  Type: NA
NDP payload len 24, from addr: fe80::75b6:e50a:1d18:6ca, iface: eth2
  Type: NA
NDP payload len 72, from addr: fe80::100:0:0:0, iface: pppoe0
  Type: RA
  Hop limit: 64
  Managed address configuration: yes
  Other configuration: yes
  Default router preference: medium
  Router lifetime: 1800s
  Reachable time: unspecified
  Retransmit time: unspecified
  Prefix: 240e:db8:8002:12b::/64, valid_time: 2592000s, preferred_time: 604800s, on_link: yes, autonomous_addr_conf: yes, router_addr: no
  Recursive DNS Servers: 240e:db8:4860::8888, lifetime: 600s
NDP payload len 32, from addr: fe80::75b6:e50a:1d18:6ca, iface: eth2
  Type: NS
NDP payload len 24, from addr: 240e:db8:8003:e100:dc63:589b:16b3:684e, iface: eth2
  Type: NA
vyos@vyos:~$ show interfaces summary 
Codes: S - State, L - Link, u - Up, D - Down, A - Admin Down
Interface        IP Address                        S/L  Description
---------        ----------                        ---  -----------
eth0             172.29.144.71/24                  u/u  
eth1             -                                 u/u  
eth2             10.200.0.1/24                     u/u  
                 240e:db8:8003:e100:8ceb:67ff:fe24:d04d/64
                                                        
lo               127.0.0.1/8                       u/u  
                 ::1/128                                
pppoe0           116.0.0.47/32                     u/u  
                 240e:db8:8002:12b:200::/64
vyos@vyos:~$ show ver
Version:          VyOS 1.5-rolling-202401210026
Release train:    current

Built by:         [email protected]
Built on:         Sun 21 Jan 2024 02:21 UTC
Build UUID:       d355643b-f9e7-4a3c-9672-29343c348c78
Build commit ID:  6c6a5856122790

Architecture:     x86_64
Boot via:         installed image
System type:      KVM guest

Hardware vendor:  QEMU
Hardware model:   Standard PC (Q35 + ICH9, 2009)
Hardware S/N:     
Hardware UUID:    f8a06a9d-982b-404e-a67e-9ac19ce2093d

Copyright:        VyOS maintainers and contributors

Details

Difficulty level
Unknown (require assessment)
Version
VyOS 1.5-rolling-202401210026
Why the issue appeared?
Will be filled on close
Is it a breaking change?
Unspecified (possibly destroys the router)
Issue type
Bug (incorrect behavior)