[WARNING]: Could not match supplied host pattern, ignoring: unprovisioned
[WARNING]: Found variable using reserved name: hosts
PLAY [Deploy initial device configuration] *************************************
TASK [Set variables that cannot be set with VARS] ******************************
ok: [dut]
ok: [x1]
ok: [x2]
TASK [Find device readiness script] ********************************************
ok: [dut]
ok: [x1]
ok: [x2]
TASK [Wait for device to become ready] *****************************************
skipping: [dut]
skipping: [x1]
skipping: [x2]
TASK [Normalize config on bridge-like devices] *********************************
included: /home/pipi/netlab_gh/netsim/ansible/tasks/deploy-module.yml for dut, x1, x2
TASK [Figure out whether to deploy the module normalize on current device] *****
ok: [dut]
ok: [x1]
ok: [x2]
TASK [Find configuration template for normalize] *******************************
ok: [dut]
ok: [x1]
ok: [x2]
TASK [fail] ********************************************************************
skipping: [dut]
skipping: [x1]
skipping: [x2]
TASK [Find configuration deployment deploy_script for normalize] ***************
ok: [dut]
ok: [x1]
ok: [x2]
TASK [Print deployed configuration when running in verbose mode] ***************
skipping: [dut]
skipping: [x1]
skipping: [x2]
TASK [Deploy normalize configuration] ******************************************
skipping: [dut]
skipping: [x1]
skipping: [x2]
TASK [Deploy initial configuration] ********************************************
included: /home/pipi/netlab_gh/netsim/ansible/tasks/deploy-module.yml for dut, x1, x2
TASK [Figure out whether to deploy the module initial on current device] *******
ok: [dut]
ok: [x1]
ok: [x2]
TASK [Find configuration template for initial] *********************************
ok: [dut]
ok: [x1]
ok: [x2]
TASK [fail] ********************************************************************
skipping: [dut]
skipping: [x1]
skipping: [x2]
TASK [Find configuration deployment deploy_script for initial] *****************
ok: [dut]
ok: [x1]
ok: [x2]
TASK [Print deployed configuration when running in verbose mode] ***************
ok: [dut] =>
msg: |-
initial configuration for dut
=========================================
- set:
system:
hostname: dut
config:
snippet:
system-mtu:
file: /etc/network/ifupdown2/policy.d/mtu.json
content: |
{ "address": { "defaults": { "mtu": "1500" } } }
interface:
eth0:
ip:
vrf: mgmt
address:
dhcp: {}
type: eth
swp1:
type: swp
link:
state:
up : {}
description: "dut -> x1 [external]"
ip:
address:
10.0.0.1/32: {}
2001:db8:1::1/64: {}
ipv6:
forward: on
neighbor-discovery:
enable: on
router-advertisement:
enable: on
interval: 5000
swp2:
type: swp
link:
state:
up : {}
description: "dut -> x2 [external]"
ip:
address:
10.0.0.1/32: {}
2001:db8:1:1::1/64: {}
ipv6:
forward: on
neighbor-discovery:
enable: on
router-advertisement:
enable: on
interval: 5000
- set:
interface:
lo:
type: loopback
ip:
address:
10.0.0.1/32: {}
ipv6:
enable: off
ok: [x1] =>
msg: |-
initial configuration for x1
=========================================
#!/bin/bash
#
set -e
set -x
#
# Create bash profile script
#
cat <<SCRIPT >/root/.bash_profile
#!/bin/bash
#
export PS1="\h(bash)# "
echo
echo "Use vtysh to connect to FRR daemon"
echo
SCRIPT
#
# Get the current next hop for the default route
#
def_nh=$(ip route list default|awk '{ print $3 }')
#
# Create the management VRF and add eth0 to it
#
if [ ! -e /sys/devices/virtual/net/mgmt ]; then
ip link add mgmt type vrf table 42
fi
ip link set mgmt up
sysctl -qw net.ipv6.conf.eth0.keep_addr_on_down=1
ip link set eth0 master mgmt
#
# Reinstall the default route if we had it before
#
if [[ -n "$def_nh" ]]; then
ip route add 0.0.0.0/0 vrf mgmt via $def_nh
fi
#
# Enable FRR modules (if not using containerlab bind-mounted /etc/frr/daemons)
#
#
# Create loopbacks, stub and lag/bond devices
#
if [ ! -e /sys/class/net/lo ]; then
if [ ! -e /sys/devices/virtual/net/lo ]; then
ip link add lo type dummy
ip link set dev lo up
fi
fi
# Disable IPv6 (for IPv4-only interfaces) or SLAAC (if the device is a router)
#
sysctl -qw net.ipv6.conf.eth1.autoconf=0
sysctl -qw net.ipv6.conf.eth1.accept_ra=0
ip link set eth1 down
ip link set eth1 up
ip link set dev eth1 mtu 1500
#
# Add vtysh.conf file
echo "service integrated-vtysh-config" >/etc/frr/vtysh.conf
#
# Rest of initial configuration done through VTYSH
#
cat >/tmp/config <<CONFIG
hostname x1
!
vrf mgmt
exit-vrf
!
ipv6 forwarding
frr defaults datacenter
!
interface lo
no shutdown
ip address 172.42.40.1/24
ipv6 address 2001:db8:cafe::1/64
!
interface eth1
no shutdown
description x1 -> dut [external]
ip address 172.42.40.1/24
ipv6 address 2001:db8:1::2/64
ipv6 nd ra-interval 5
no ipv6 nd suppress-ra
!
do write
CONFIG
vtysh -f /tmp/config
exit 0
ok: [x2] =>
msg: |-
initial configuration for x2
=========================================
#!/bin/bash
#
set -e
set -x
#
# Create bash profile script
#
cat <<SCRIPT >/root/.bash_profile
#!/bin/bash
#
export PS1="\h(bash)# "
echo
echo "Use vtysh to connect to FRR daemon"
echo
SCRIPT
#
# Get the current next hop for the default route
#
def_nh=$(ip route list default|awk '{ print $3 }')
#
# Create the management VRF and add eth0 to it
#
if [ ! -e /sys/devices/virtual/net/mgmt ]; then
ip link add mgmt type vrf table 42
fi
ip link set mgmt up
sysctl -qw net.ipv6.conf.eth0.keep_addr_on_down=1
ip link set eth0 master mgmt
#
# Reinstall the default route if we had it before
#
if [[ -n "$def_nh" ]]; then
ip route add 0.0.0.0/0 vrf mgmt via $def_nh
fi
#
# Enable FRR modules (if not using containerlab bind-mounted /etc/frr/daemons)
#
#
# Create loopbacks, stub and lag/bond devices
#
if [ ! -e /sys/class/net/lo ]; then
if [ ! -e /sys/devices/virtual/net/lo ]; then
ip link add lo type dummy
ip link set dev lo up
fi
fi
# Disable IPv6 (for IPv4-only interfaces) or SLAAC (if the device is a router)
#
sysctl -qw net.ipv6.conf.eth1.autoconf=0
sysctl -qw net.ipv6.conf.eth1.accept_ra=0
ip link set eth1 down
ip link set eth1 up
ip link set dev eth1 mtu 1500
#
# Add vtysh.conf file
echo "service integrated-vtysh-config" >/etc/frr/vtysh.conf
#
# Rest of initial configuration done through VTYSH
#
cat >/tmp/config <<CONFIG
hostname x2
!
vrf mgmt
exit-vrf
!
ipv6 forwarding
frr defaults datacenter
!
interface lo
no shutdown
ip address 172.42.42.1/24
ipv6 address 2001:db8:cafe:1::1/64
!
interface eth1
no shutdown
description x2 -> dut [external]
ip address 172.42.42.1/24
ipv6 address 2001:db8:1:1::3/64
ipv6 nd ra-interval 5
no ipv6 nd suppress-ra
!
do write
CONFIG
vtysh -f /tmp/config
exit 0
TASK [Deploy initial configuration] ********************************************
included: /home/pipi/netlab_gh/netsim/ansible/tasks/deploy-config/cumulus_nvue.yml for dut
included: /home/pipi/netlab_gh/netsim/ansible/tasks/frr/initial-clab.yml for x1, x2
TASK [set_fact] ****************************************************************
ok: [dut]
TASK [copy the cumulus nvue YAML initial config file to switch (generated from /home/pipi/netlab_gh/netsim/ansible/templates/initial/cumulus_nvue.j2)] ***
changed: [dut]
TASK [Wait for nvued to start] *************************************************
ok: [dut]
TASK [set_fact] ****************************************************************
ok: [dut]
TASK [execute on cumulus: 'nv config patch' for initial config] ****************
changed: [dut]
TASK [execute on cumulus: 'nv config apply -y' for initial config] *************
changed: [dut]
TASK [Attempt to load VRF kernel module] ***************************************
changed: [x1 -> localhost]
TASK [Disable FRR management VRF when modprobe fails] **************************
skipping: [x1]
skipping: [x2]
TASK [include_tasks] ***********************************************************
included: /home/pipi/netlab_gh/netsim/ansible/tasks/frr/deploy-config.yml for x1, x2
TASK [template] ****************************************************************
changed: [x2]
changed: [x1]
TASK [set_fact] ****************************************************************
ok: [x1]
ok: [x2]
TASK [run /tmp/config.sh to deploy initial config from /home/pipi/netlab_gh/netsim/ansible/templates/initial/frr.j2] ***
changed: [x2]
changed: [x1]
TASK [run vtysh to import initial config from /home/pipi/netlab_gh/netsim/ansible/templates/initial/frr.j2] ***
skipping: [x1]
skipping: [x2]
PLAY [Deploy module-specific configurations] ***********************************
TASK [Set variables that cannot be set with VARS] ******************************
ok: [dut]
ok: [x1]
ok: [x2]
TASK [Deploy individual configuration modules] *********************************
included: /home/pipi/netlab_gh/netsim/ansible/tasks/deploy-module.yml for dut, x1, x2 => (item=bgp)
TASK [Figure out whether to deploy the module bgp on current device] ***********
ok: [dut]
ok: [x1]
ok: [x2]
TASK [Find configuration template for bgp] *************************************
ok: [dut]
ok: [x1]
ok: [x2]
TASK [fail] ********************************************************************
skipping: [dut]
skipping: [x1]
skipping: [x2]
TASK [Find configuration deployment deploy_script for bgp] *********************
ok: [dut]
ok: [x1]
ok: [x2]
TASK [Print deployed configuration when running in verbose mode] ***************
ok: [x1] =>
msg: |-
bgp configuration for x1
=========================================
!
router bgp 65100
no bgp ebgp-requires-policy
no bgp default ipv4-unicast
bgp default show-hostname
bgp default show-nexthop-hostname
! Consider AS paths of same length but with different AS as ECMP candidates
bgp bestpath as-path multipath-relax
bgp router-id 172.42.40.1
!
neighbor 2001:db8:1::1 remote-as 65000
neighbor 2001:db8:1::1 description dut
neighbor 2001:db8:1::1 capability extended-nexthop
!
address-family ipv4 unicast
!
!
network 172.42.40.0/24
!
!
!
neighbor 2001:db8:1::1 activate
no neighbor 2001:db8:1::1 send-community all
neighbor 2001:db8:1::1 send-community standard
neighbor 2001:db8:1::1 send-community large
!
address-family ipv6 unicast
!
!
network 2001:db8:cafe::/64
!
!
!
neighbor 2001:db8:1::1 activate
no neighbor 2001:db8:1::1 send-community all
neighbor 2001:db8:1::1 send-community standard
neighbor 2001:db8:1::1 send-community large
!
!
!
do write
ok: [dut] =>
msg: |-
bgp configuration for dut
=========================================
- set:
router:
bgp:
enable: on
autonomous-system: 65000
router-id: 10.0.0.1
- set:
vrf:
default:
router:
bgp:
enable: on
autonomous-system: 65000
router-id: 10.0.0.1
address-family:
ipv4-unicast:
enable: on
network:
10.0.0.1/32: {}
ipv6-unicast:
enable: on
neighbor:
2001:db8:1::2:
description: "x1"
capabilities:
extended-nexthop: on
remote-as: 65100
address-family:
ipv4-unicast:
enable: on
ipv6-unicast:
enable: on
community-advertise:
regular: on
extended: off
large: off
2001:db8:1:1::3:
description: "x2"
capabilities:
extended-nexthop: on
remote-as: 65101
address-family:
ipv4-unicast:
enable: on
ipv6-unicast:
enable: on
community-advertise:
regular: on
extended: off
large: off
ok: [x2] =>
msg: |-
bgp configuration for x2
=========================================
!
router bgp 65101
no bgp ebgp-requires-policy
no bgp default ipv4-unicast
bgp default show-hostname
bgp default show-nexthop-hostname
! Consider AS paths of same length but with different AS as ECMP candidates
bgp bestpath as-path multipath-relax
bgp router-id 172.42.42.1
!
neighbor 2001:db8:1:1::1 remote-as 65000
neighbor 2001:db8:1:1::1 description dut
neighbor 2001:db8:1:1::1 capability extended-nexthop
!
address-family ipv4 unicast
!
!
network 172.42.42.0/24
!
!
!
neighbor 2001:db8:1:1::1 activate
no neighbor 2001:db8:1:1::1 send-community all
neighbor 2001:db8:1:1::1 send-community standard
neighbor 2001:db8:1:1::1 send-community large
!
address-family ipv6 unicast
!
!
network 2001:db8:cafe:1::/64
!
!
!
neighbor 2001:db8:1:1::1 activate
no neighbor 2001:db8:1:1::1 send-community all
neighbor 2001:db8:1:1::1 send-community standard
neighbor 2001:db8:1:1::1 send-community large
!
!
!
do write
TASK [Deploy bgp configuration] ************************************************
included: /home/pipi/netlab_gh/netsim/ansible/tasks/deploy-config/cumulus_nvue.yml for dut
included: /home/pipi/netlab_gh/netsim/ansible/tasks/deploy-config/frr.yml for x1, x2
TASK [set_fact] ****************************************************************
ok: [dut]
TASK [copy the cumulus nvue YAML bgp config file to switch (generated from /home/pipi/netlab_gh/netsim/ansible/templates/bgp/cumulus_nvue.j2)] ***
changed: [dut]
TASK [Wait for nvued to start] *************************************************
skipping: [dut]
TASK [set_fact] ****************************************************************
ok: [dut]
TASK [execute on cumulus: 'nv config patch' for bgp config] ********************
changed: [dut]
TASK [execute on cumulus: 'nv config apply -y' for bgp config] *****************
changed: [dut]
TASK [template] ****************************************************************
changed: [x1]
changed: [x2]
TASK [set_fact] ****************************************************************
ok: [x1]
ok: [x2]
TASK [run /tmp/config.sh to deploy bgp config from /home/pipi/netlab_gh/netsim/ansible/templates/bgp/frr.j2] ***
skipping: [x1]
skipping: [x2]
TASK [run vtysh to import bgp config from /home/pipi/netlab_gh/netsim/ansible/templates/bgp/frr.j2] ***
changed: [x2]
changed: [x1]
PLAY [Deploy custom deployment templates] **************************************
skipping: no hosts matched
PLAY RECAP *********************************************************************
dut : ok=30 changed=6 unreachable=0 failed=0 skipped=7 rescued=0 ignored=0
x1 : ok=27 changed=5 unreachable=0 failed=0 skipped=9 rescued=0 ignored=0
x2 : ok=26 changed=4 unreachable=0 failed=0 skipped=9 rescued=0 ignored=0
Use this topology to test the IPv4 AF using RFC 8950 next hops over
a regular IPv6 EBGP session. This test assumes you already tested
the unnumbered IPv4 addresses on your device.