vyos@R3# run show version all | match strongswan
ii  strongswan                       5.7.2-1                             all          IPsec VPN solution metapackage

vyos@R3# sudo ip link add tun0 type gretap local 0.0.0.0
RTNETLINK answers: File exists

ip tunnel add tun0 local 0.0.0.0 mode gre key 1 ttl 255 tos inherit
ip link set tun0 multicast on allmulticast on up
ip addr add 10.0.0.4/24 broadcast + dev tun0
ip tunnel cha tun0 local 0.0.0.0

set interfaces tunnel tun0 address 10.0.0.3/24
set interfaces tunnel tun0 encapsulation gre
set interfaces tunnel tun0 local-ip 0.0.0.0
set interfaces tunnel tun0 multicast enable
set interfaces tunnel tun0 parameters ip key 1

vyos@R7# run show configuration commands | match "mpls|address|ospf"
set interfaces dummy dum0 address '1.1.1.1/32'
set interfaces ethernet eth1 address '10.0.0.1/24'
set protocols mpls ldp discovery transport-ipv4-address '1.1.1.1'
set protocols mpls ldp interface 'eth1'
set protocols mpls ldp router-id '1.1.1.1'
set protocols ospf area 0 network '0.0.0.0/0'
set protocols ospf parameters abr-type 'cisco'
set protocols ospf parameters router-id '1.1.1.1'

set interfaces dummy dum0 address '2.2.2.2/32'
set interfaces ethernet eth1 address '10.0.0.2/24'
set interfaces ethernet eth2 address '10.0.255.1/24'
set protocols mpls ldp discovery transport-ipv4-address '2.2.2.2'
set protocols mpls ldp interface 'eth1'
set protocols mpls ldp interface 'eth2'
set protocols mpls ldp router-id '2.2.2.2'
set protocols ospf area 0 network '0.0.0.0/0'
set protocols ospf parameters abr-type 'cisco'
set protocols ospf parameters router-id '2.2.2.2'

set interfaces dummy dum0 address '3.3.3.3/32'
set interfaces ethernet eth1 address '10.0.255.2/24'
set protocols mpls ldp discovery transport-ipv4-address '3.3.3.3'
set protocols mpls ldp interface 'eth1'
set protocols mpls ldp router-id '3.3.3.3'
set protocols ospf area 0 network '0.0.0.0/0'
set protocols ospf parameters abr-type 'cisco'
set protocols ospf parameters router-id '3.3.3.3'

set nat destination rule 102 source address !192.168.68.0/24

my $check_local_route = qx(ip route show table 254 $ocalsubnet_object);
if (!$check_local_route){
    print "Warning: local prefix $localsubnet_object specified for peer \"$peer\"\n";
    print "is not configured on any interfaces\n";
}

/run/atop/atop.acct {
	rotate 0
	nomissingok
	size 100M
	postrotate
		PIDFILE=/run/atop.pid
		if [ -e $PIDFILE ] && \
			ps -p `cat $PIDFILE` | grep 'atop$' > /dev/null
		then
			kill -15 `cat $PIDFILE`
			rm $PIDFILE
		fi
		sleep 1
		/etc/init.d/atop restart
	endscript
}

vyos@vyos:~# ls /etc/cron.daily/ | grep logro
logrotate
vyos@vyos:~# cat /etc/crontab | grep daily
25 6	* * *	root	test -x /usr/sbin/anacron || ( cd / && run-parts --report /etc/cron.daily )

cat /etc/logrotate.d/atop 
/run/atop/atop.acct {
	rotate 0
	nomissingok
	size 50M
	postrotate
		/etc/init.d/atop restart
	endscript
}

logrotate /etc/logrotate.d/atop --verbose
reading config file /etc/logrotate.d/atop

vyos@R8:~$ show configuration commands | match mpls
set protocols mpls ldp discovery transport-ipv4-address '2.2.2.2'
set protocols mpls ldp interface 'eth1'
set protocols mpls ldp interface 'eth2'
set protocols mpls ldp router-id '2.2.2.2'
vyos@R8:~$ show mpls ldp neighbor 
AF   ID              State       Remote Address    Uptime
ipv4 10.0.0.1        OPERATIONAL 10.0.0.1        00:00:22
ipv4 3.3.3.3         OPERATIONAL 10.0.255.2      00:00:33
vyos@R8:~$ show mpls ldp interface 
AF   Interface   State  Uptime   Hello Timers  ac
ipv4 eth1        ACTIVE 00:00:51 5/15           1
ipv4 eth2        ACTIVE 00:00:52 5/15           1

sudo cat /var/log/vyatta/vyatta-commit.log 
[ interfaces wireless wlan0 ]
Warning! system : missing regulatory domain country code

vyos@R1:~$ ping 1.1.1.1 
Possible completions:
  <Enter>       Execute the current command
  adaptive      Ping options
  allow-broadcast
  audible
  bypass-route
  count
  deadline
  flood
  interface
  interval
  mark
  no-loopback
  numeric
  pattern
  quiet
  record-route
  size
  timestamp
  tos
  ttl
  verbose