[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: [r1] ok: [r2] ok: [r3] ok: [r4] TASK [Find device readiness script] ******************************************** ok: [dut] ok: [r1] ok: [r2] ok: [r4] ok: [r3] TASK [Wait for device to become ready] ***************************************** included: /home/pipi/netlab_gh/netsim/ansible/tasks/readiness-check/sros.yml for dut included: /home/pipi/netlab_gh/netsim/ansible/tasks/readiness-check/eos-clab.yml for r1, r2, r3, r4 TASK [Check that required plugin exists, use 'netlab install grpc' to install it] *** ok: [dut] TASK [Wait up to 180s for gNMI(TCP 57400) to be ready on clab-ml_17-dut] ******* ok: [dut -> localhost] TASK [Wait for cEOS SSH daemon to start] *************************************** ok: [r2] ok: [r4] ok: [r3] ok: [r1] TASK [Normalize config on bridge-like devices] ********************************* included: /home/pipi/netlab_gh/netsim/ansible/tasks/deploy-module.yml for dut, r1, r2, r3, r4 TASK [Figure out whether to deploy the module normalize on current device] ***** ok: [dut] ok: [r1] ok: [r2] ok: [r3] ok: [r4] TASK [Find configuration template for normalize] ******************************* ok: [dut] ok: [r1] ok: [r2] ok: [r3] ok: [r4] TASK [fail] ******************************************************************** skipping: [dut] skipping: [r1] skipping: [r2] skipping: [r3] skipping: [r4] TASK [Find configuration deployment deploy_script for normalize] *************** ok: [dut] ok: [r1] ok: [r2] ok: [r3] ok: [r4] TASK [Print deployed configuration when running in verbose mode] *************** skipping: [dut] ok: [r1] => msg: |- normalize configuration for r1 ========================================= ! interface Ethernet1 shutdown mac-address 52dc.cafe.0b01 ok: [r2] => msg: |- normalize configuration for r2 ========================================= ! interface Ethernet1 shutdown mac-address 52dc.cafe.0c01 ok: [r3] => msg: |- normalize configuration for r3 ========================================= ! interface Ethernet1 shutdown mac-address 52dc.cafe.1701 ok: [r4] => msg: |- normalize configuration for r4 ========================================= ! interface Ethernet1 shutdown mac-address 52dc.cafe.1801 TASK [Deploy normalize configuration] ****************************************** skipping: [dut] included: /home/pipi/netlab_gh/netsim/ansible/tasks/deploy-config/eos.yml for r1, r2, r3, r4 TASK [eos_config: deploying normalize from /home/pipi/netlab_gh/netsim/ansible/templates/normalize/eos.j2] *** [WARNING]: To ensure idempotency and correct diff the input configuration lines should be similar to how they appear if present in the running configuration on device including the indentation changed: [r3] changed: [r1] changed: [r4] changed: [r2] TASK [Deploy initial configuration] ******************************************** included: /home/pipi/netlab_gh/netsim/ansible/tasks/deploy-module.yml for dut, r1, r2, r3, r4 TASK [Figure out whether to deploy the module initial on current device] ******* ok: [dut] ok: [r1] ok: [r2] ok: [r3] ok: [r4] TASK [Find configuration template for initial] ********************************* ok: [dut] ok: [r1] ok: [r2] ok: [r4] ok: [r3] TASK [fail] ******************************************************************** skipping: [dut] skipping: [r1] skipping: [r2] skipping: [r3] skipping: [r4] TASK [Find configuration deployment deploy_script for initial] ***************** ok: [dut] ok: [r1] ok: [r2] ok: [r3] ok: [r4] TASK [Print deployed configuration when running in verbose mode] *************** ok: [dut] => msg: |- initial configuration for dut ========================================= updates: - path: configure/router[router-name=Base] val: ecmp: 64 - path: configure/router[router-name=Base]/interface[interface-name=system] val: admin-state: enable description: "System interface" ipv4: primary: address: "10.0.0.1" prefix-length: 32 ipv6: address: - ipv6-address: "2001:db8:1:1::1" prefix-length: 128 - path: configure/port[port-id=1/1/c1] val: admin-state: enable connector: breakout: "c1-100g" - path: configure/port[port-id=1/1/c1/1] val: admin-state: enable ethernet: mtu: 1514 # max 9800 mode: access - path: configure/service/vprn[service-name=red] val: customer: "1" admin-state: enable service-id: 100 # ecmp: 64 - path: configure/service/vprn[service-name=red]/interface[interface-name=eth-1/1/c1] val: admin-state: enable description: "dut ~ r1 (external)" ip-mtu: 1500 sap: - sap-id: "1/1/c1/1" ipv4: primary: address: "10.1.0.1" prefix-length: 30 - path: configure/port[port-id=1/1/c2] val: admin-state: enable connector: breakout: "c1-100g" - path: configure/port[port-id=1/1/c2/1] val: admin-state: enable ethernet: mtu: 1514 # max 9800 mode: access - path: configure/service/vprn[service-name=red] val: customer: "1" admin-state: enable service-id: 100 # ecmp: 64 - path: configure/service/vprn[service-name=red]/interface[interface-name=eth-1/1/c2] val: admin-state: enable description: "dut ~ r2 (external)" ip-mtu: 1500 sap: - sap-id: "1/1/c2/1" ipv4: primary: address: "10.1.0.5" prefix-length: 30 - path: configure/port[port-id=1/1/c3] val: admin-state: enable connector: breakout: "c1-100g" - path: configure/port[port-id=1/1/c3/1] val: admin-state: enable ethernet: mtu: 1514 # max 9800 mode: access - path: configure/service/vprn[service-name=blue] val: customer: "1" admin-state: enable service-id: 101 # ecmp: 64 - path: configure/service/vprn[service-name=blue]/interface[interface-name=eth-1/1/c3] val: admin-state: enable description: "dut ~ r3 (external)" ip-mtu: 1500 sap: - sap-id: "1/1/c3/1" ipv4: primary: address: "10.1.0.9" prefix-length: 30 - path: configure/port[port-id=1/1/c4] val: admin-state: enable connector: breakout: "c1-100g" - path: configure/port[port-id=1/1/c4/1] val: admin-state: enable ethernet: mtu: 1514 # max 9800 mode: access - path: configure/service/vprn[service-name=blue] val: customer: "1" admin-state: enable service-id: 101 # ecmp: 64 - path: configure/service/vprn[service-name=blue]/interface[interface-name=eth-1/1/c4] val: admin-state: enable description: "dut ~ r4 (external)" ip-mtu: 1500 sap: - sap-id: "1/1/c4/1" ipv4: primary: address: "10.1.0.13" prefix-length: 30 ok: [r1] => msg: |- initial configuration for r1 ========================================= hostname r1 ! logging monitor debugging aaa authorization exec default local ! lldp run ip routing ipv6 unicast-routing ! ! ip host dut 10.0.0.1 ip host dut-blue 10.1.0.9 10.1.0.13 ip host dut-red 10.1.0.1 10.1.0.5 ip host r2 10.0.0.12 10.1.0.6 ip host r3 10.0.0.23 10.1.0.10 ip host r4 10.0.0.24 10.1.0.14 ipv6 host dut 2001:db8:1:1::1 ipv6 host r2 2001:db8:1:c::1 ipv6 host r3 2001:db8:1:17::1 ipv6 host r4 2001:db8:1:18::1 ! interface Management0 no lldp transmit no lldp receive ! interface Loopback0 ip address 10.0.0.11/32 ipv6 nd ra interval 5 ipv6 address 2001:db8:1:b::1/64 ! interface Ethernet1 no switchport platform tfa phy control-frame disabled description r1 -> dut [external] ip address 10.1.0.2/30 ! mac-address 52dc.cafe.0b01 no shutdown ! ok: [r2] => msg: |- initial configuration for r2 ========================================= hostname r2 ! logging monitor debugging aaa authorization exec default local ! lldp run ip routing ipv6 unicast-routing ! ! ip host dut 10.0.0.1 ip host dut-blue 10.1.0.9 10.1.0.13 ip host dut-red 10.1.0.1 10.1.0.5 ip host r1 10.0.0.11 10.1.0.2 ip host r3 10.0.0.23 10.1.0.10 ip host r4 10.0.0.24 10.1.0.14 ipv6 host dut 2001:db8:1:1::1 ipv6 host r1 2001:db8:1:b::1 ipv6 host r3 2001:db8:1:17::1 ipv6 host r4 2001:db8:1:18::1 ! interface Management0 no lldp transmit no lldp receive ! interface Loopback0 ip address 10.0.0.12/32 ipv6 nd ra interval 5 ipv6 address 2001:db8:1:c::1/64 ! interface Ethernet1 no switchport platform tfa phy control-frame disabled description r2 -> dut [external] ip address 10.1.0.6/30 ! mac-address 52dc.cafe.0c01 no shutdown ! ok: [r4] => msg: |- initial configuration for r4 ========================================= hostname r4 ! logging monitor debugging aaa authorization exec default local ! lldp run ip routing ipv6 unicast-routing ! ! ip host dut 10.0.0.1 ip host dut-blue 10.1.0.9 10.1.0.13 ip host dut-red 10.1.0.1 10.1.0.5 ip host r1 10.0.0.11 10.1.0.2 ip host r2 10.0.0.12 10.1.0.6 ip host r3 10.0.0.23 10.1.0.10 ipv6 host dut 2001:db8:1:1::1 ipv6 host r1 2001:db8:1:b::1 ipv6 host r2 2001:db8:1:c::1 ipv6 host r3 2001:db8:1:17::1 ! interface Management0 no lldp transmit no lldp receive ! interface Loopback0 ip address 10.0.0.24/32 ipv6 nd ra interval 5 ipv6 address 2001:db8:1:18::1/64 ! interface Ethernet1 no switchport platform tfa phy control-frame disabled description r4 -> dut [external] ip address 10.1.0.14/30 ! mac-address 52dc.cafe.1801 no shutdown ! ok: [r3] => msg: |- initial configuration for r3 ========================================= hostname r3 ! logging monitor debugging aaa authorization exec default local ! lldp run ip routing ipv6 unicast-routing ! ! ip host dut 10.0.0.1 ip host dut-blue 10.1.0.9 10.1.0.13 ip host dut-red 10.1.0.1 10.1.0.5 ip host r1 10.0.0.11 10.1.0.2 ip host r2 10.0.0.12 10.1.0.6 ip host r4 10.0.0.24 10.1.0.14 ipv6 host dut 2001:db8:1:1::1 ipv6 host r1 2001:db8:1:b::1 ipv6 host r2 2001:db8:1:c::1 ipv6 host r4 2001:db8:1:18::1 ! interface Management0 no lldp transmit no lldp receive ! interface Loopback0 ip address 10.0.0.23/32 ipv6 nd ra interval 5 ipv6 address 2001:db8:1:17::1/64 ! interface Ethernet1 no switchport platform tfa phy control-frame disabled description r3 -> dut [external] ip address 10.1.0.10/30 ! mac-address 52dc.cafe.1701 no shutdown ! TASK [Deploy initial configuration] ******************************************** included: /home/pipi/netlab_gh/netsim/ansible/tasks/deploy-config/sros.yml for dut included: /home/pipi/netlab_gh/netsim/ansible/tasks/deploy-config/eos.yml for r1, r2, r3, r4 TASK [Generate gNMI YAML configuration] **************************************** ok: [dut] TASK [Update initial node configuration from gNMI template /home/pipi/netlab_gh/netsim/ansible/templates/initial/sros.j2] *** changed: [dut] TASK [debug] ******************************************************************* skipping: [dut] TASK [eos_config: deploying initial from /home/pipi/netlab_gh/netsim/ansible/templates/initial/eos.j2] *** changed: [r4] changed: [r2] changed: [r3] changed: [r1] PLAY [Deploy module-specific configurations] *********************************** TASK [Set variables that cannot be set with VARS] ****************************** ok: [dut] ok: [r1] ok: [r3] ok: [r2] ok: [r4] TASK [Deploy individual configuration modules] ********************************* included: /home/pipi/netlab_gh/netsim/ansible/tasks/deploy-module.yml for dut, r1, r2, r3, r4 => (item=bgp) included: /home/pipi/netlab_gh/netsim/ansible/tasks/deploy-module.yml for dut, r1, r2, r3, r4 => (item=vrf) TASK [Figure out whether to deploy the module bgp on current device] *********** ok: [dut] ok: [r2] ok: [r3] ok: [r4] ok: [r1] TASK [Find configuration template for bgp] ************************************* ok: [dut] ok: [r1] ok: [r4] ok: [r2] ok: [r3] TASK [fail] ******************************************************************** skipping: [dut] skipping: [r1] skipping: [r2] skipping: [r3] skipping: [r4] TASK [Find configuration deployment deploy_script for bgp] ********************* ok: [dut] ok: [r1] ok: [r2] ok: [r3] ok: [r4] TASK [Print deployed configuration when running in verbose mode] *************** ok: [dut] => msg: |- bgp configuration for dut ========================================= updates: - path: configure/policy-options/policy-statement[name=accept_all] val: default-action: action-type: accept - path: configure/policy-options/policy-statement[name=next-hop-self-ebgp-routes-only] val: entry: - entry-id: 10 from: path-type: ebgp action: action-type: accept next-hop: self default-action: action-type: next-policy - path: configure/policy-options/prefix-list[name=bgp_default_advertise] val: prefix: [] # Make sure it exists - path: configure/policy-options/policy-statement[name=bgp_default_export] val: default-action: action-type: reject entry: - entry-id: 10 from: prefix-list: [ "bgp_default_advertise" ] action: action-type: accept - entry-id: 20 from: protocol: name: [ bgp ] action: action-type: accept - path: configure/policy-options/prefix-list[name=bgp_default_advertise] val: prefix: - ip-prefix: 10.0.0.1/32 type: exact - path: configure/policy-options/prefix-list[name=bgp_default_advertise] val: prefix: - ip-prefix: 2001:db8:1:1::1/128 type: exact - path: configure/router[router-name=Base] val: router-id: "10.0.0.1" autonomous-system: 65000 bgp: ebgp-default-reject-policy: import: False export: False multipath: ibgp: 64 ebgp: 64 min-route-advertisement: 1 # Be aggressive about sending updates connect-retry: 5 # Retry frequently, suitable in DC context # family: cannot disable this # ipv4: False # Enabled by default, disable globally and set per group ok: [r1] => msg: |- bgp configuration for r1 ========================================= ! ! router bgp 65101 bgp advertise-inactive bgp log-neighbor-changes no bgp default ipv4-unicast no bgp default ipv6-unicast router-id 10.0.0.11 ! neighbor 10.1.0.1 remote-as 65000 neighbor 10.1.0.1 description dut neighbor 10.1.0.1 send-community standard large ! ! address-family ipv4 network 10.0.0.11/32 ! ! ! neighbor 10.1.0.1 activate ! address-family ipv6 network 2001:db8:1:b::/64 ! ! ! ! ok: [r2] => msg: |- bgp configuration for r2 ========================================= ! ! router bgp 65102 bgp advertise-inactive bgp log-neighbor-changes no bgp default ipv4-unicast no bgp default ipv6-unicast router-id 10.0.0.12 ! neighbor 10.1.0.5 remote-as 65000 neighbor 10.1.0.5 description dut neighbor 10.1.0.5 send-community standard large ! ! address-family ipv4 network 10.0.0.12/32 ! ! ! neighbor 10.1.0.5 activate ! address-family ipv6 network 2001:db8:1:c::/64 ! ! ! ! ok: [r4] => msg: |- bgp configuration for r4 ========================================= ! ! router bgp 65104 bgp advertise-inactive bgp log-neighbor-changes no bgp default ipv4-unicast no bgp default ipv6-unicast router-id 10.0.0.24 ! neighbor 10.1.0.13 remote-as 65000 neighbor 10.1.0.13 description dut neighbor 10.1.0.13 send-community standard large ! ! address-family ipv4 network 10.0.0.24/32 ! ! ! neighbor 10.1.0.13 activate ! address-family ipv6 network 2001:db8:1:18::/64 ! ! ! ! ok: [r3] => msg: |- bgp configuration for r3 ========================================= ! ! router bgp 65103 bgp advertise-inactive bgp log-neighbor-changes no bgp default ipv4-unicast no bgp default ipv6-unicast router-id 10.0.0.23 ! neighbor 10.1.0.9 remote-as 65000 neighbor 10.1.0.9 description dut neighbor 10.1.0.9 send-community standard large ! ! address-family ipv4 network 10.0.0.23/32 ! ! ! neighbor 10.1.0.9 activate ! address-family ipv6 network 2001:db8:1:17::/64 ! ! ! ! TASK [Deploy bgp configuration] ************************************************ included: /home/pipi/netlab_gh/netsim/ansible/tasks/deploy-config/sros.yml for dut included: /home/pipi/netlab_gh/netsim/ansible/tasks/deploy-config/eos.yml for r1, r2, r3, r4 TASK [Generate gNMI YAML configuration] **************************************** ok: [dut] TASK [Update bgp node configuration from gNMI template /home/pipi/netlab_gh/netsim/ansible/templates/bgp/sros.j2] *** changed: [dut] TASK [debug] ******************************************************************* skipping: [dut] TASK [eos_config: deploying bgp from /home/pipi/netlab_gh/netsim/ansible/templates/bgp/eos.j2] *** changed: [r4] changed: [r3] changed: [r1] changed: [r2] TASK [Figure out whether to deploy the module vrf on current device] *********** ok: [dut] ok: [r3] ok: [r1] ok: [r2] ok: [r4] TASK [Find configuration template for vrf] ************************************* skipping: [r1] skipping: [r2] skipping: [r3] ok: [dut] skipping: [r4] TASK [fail] ******************************************************************** skipping: [dut] skipping: [r1] skipping: [r2] skipping: [r3] skipping: [r4] TASK [Find configuration deployment deploy_script for vrf] ********************* skipping: [r1] skipping: [r2] skipping: [r3] ok: [dut] skipping: [r4] TASK [Print deployed configuration when running in verbose mode] *************** skipping: [r1] skipping: [r2] skipping: [r3] skipping: [r4] ok: [dut] => msg: |- vrf configuration for dut ========================================= updates: - path: configure/service/vprn[service-name=blue] val: service-id: 101 customer: "1" autonomous-system: 65000 router-id: 10.0.0.1 ecmp: 64 admin-state: enable - path: configure/policy-options/prefix-list[name=bgp_blue_advertise] val: prefix: [] # Make sure it exists - path: configure/policy-options/policy-statement[name=bgp_blue_export] val: default-action: action-type: reject entry: - entry-id: 10 from: prefix-list: [ "bgp_blue_advertise" ] action: action-type: accept - entry-id: 20 from: protocol: name: [ bgp ] action: action-type: accept - entry-id: 100 from: protocol: name: [ direct ] action: action-type: accept - path: configure/service/vprn[service-name=blue] val: router-id: "10.0.0.1" autonomous-system: 65000 bgp: ebgp-default-reject-policy: import: False export: False multipath: ibgp: 64 ebgp: 64 min-route-advertisement: 1 # Be aggressive about sending updates connect-retry: 5 # Retry frequently, suitable in DC context # family: cannot disable this # ipv4: False # Enabled by default, disable globally and set per group - path: configure/service/vprn[service-name=blue]/bgp/group[group-name=ebgp] val: admin-state: enable family: ipv4: True ipv6: False import: policy: ["accept_all"] export: policy: - bgp_blue_export send-communities: extended: False # True value not allowed, on by default - path: configure/service/vprn[service-name=blue]/bgp val: neighbor: - ip-address: "10.1.0.10" description: "r3" peer-as: 65103 group: "ebgp" admin-state: enable family: ipv4: True ipv6: False - path: configure/service/vprn[service-name=blue]/bgp/group[group-name=ebgp] val: admin-state: enable family: ipv4: True ipv6: False import: policy: ["accept_all"] export: policy: - bgp_blue_export send-communities: extended: False # True value not allowed, on by default - path: configure/service/vprn[service-name=blue]/bgp val: neighbor: - ip-address: "10.1.0.14" description: "r4" peer-as: 65104 group: "ebgp" admin-state: enable family: ipv4: True ipv6: False - path: configure/service/vprn[service-name=red] val: service-id: 100 customer: "1" autonomous-system: 65000 router-id: 10.0.0.1 ecmp: 64 admin-state: enable - path: configure/policy-options/prefix-list[name=bgp_red_advertise] val: prefix: [] # Make sure it exists - path: configure/policy-options/policy-statement[name=bgp_red_export] val: default-action: action-type: reject entry: - entry-id: 10 from: prefix-list: [ "bgp_red_advertise" ] action: action-type: accept - entry-id: 20 from: protocol: name: [ bgp ] action: action-type: accept - entry-id: 100 from: protocol: name: [ direct ] action: action-type: accept - path: configure/service/vprn[service-name=red] val: router-id: "10.0.0.1" autonomous-system: 65000 bgp: ebgp-default-reject-policy: import: False export: False multipath: ibgp: 64 ebgp: 64 min-route-advertisement: 1 # Be aggressive about sending updates connect-retry: 5 # Retry frequently, suitable in DC context # family: cannot disable this # ipv4: False # Enabled by default, disable globally and set per group - path: configure/service/vprn[service-name=red]/bgp/group[group-name=ebgp] val: admin-state: enable family: ipv4: True ipv6: False import: policy: ["accept_all"] export: policy: - bgp_red_export send-communities: extended: False # True value not allowed, on by default - path: configure/service/vprn[service-name=red]/bgp val: neighbor: - ip-address: "10.1.0.2" description: "r1" peer-as: 65101 group: "ebgp" admin-state: enable family: ipv4: True ipv6: False - path: configure/service/vprn[service-name=red]/bgp/group[group-name=ebgp] val: admin-state: enable family: ipv4: True ipv6: False import: policy: ["accept_all"] export: policy: - bgp_red_export send-communities: extended: False # True value not allowed, on by default - path: configure/service/vprn[service-name=red]/bgp val: neighbor: - ip-address: "10.1.0.6" description: "r2" peer-as: 65102 group: "ebgp" admin-state: enable family: ipv4: True ipv6: False TASK [Deploy vrf configuration] ************************************************ skipping: [r1] skipping: [r2] skipping: [r3] skipping: [r4] included: /home/pipi/netlab_gh/netsim/ansible/tasks/deploy-config/sros.yml for dut TASK [Generate gNMI YAML configuration] **************************************** ok: [dut] TASK [Update vrf node configuration from gNMI template /home/pipi/netlab_gh/netsim/ansible/templates/vrf/sros.j2] *** changed: [dut] TASK [debug] ******************************************************************* skipping: [dut] PLAY [Deploy custom deployment templates] ************************************** TASK [Run custom configuration deployment scripts] ***************************** included: /home/pipi/netlab_gh/netsim/ansible/tasks/deploy-custom-config.yml for r1, r2, r3, r4 => (item=bgp-xact) TASK [Find configuration template] ********************************************* ok: [r1] ok: [r2] ok: [r3] ok: [r4] TASK [fail] ******************************************************************** skipping: [r1] skipping: [r2] skipping: [r3] skipping: [r4] TASK [Check is the configuration template is a file] *************************** ok: [r1 -> localhost] ok: [r4 -> localhost] ok: [r3 -> localhost] ok: [r2 -> localhost] TASK [fail] ******************************************************************** skipping: [r1] skipping: [r2] skipping: [r3] skipping: [r4] TASK [Process template /home/pipi/net101/tools/tests/integration/vrf/bgp-xact.j2 for r1] *** skipping: [r1] skipping: [r2] skipping: [r3] skipping: [r4] TASK [Find custom configuration deployment script] ***************************** ok: [r1] ok: [r2] ok: [r3] ok: [r4] TASK [Run the configuration deployment script] ********************************* included: /home/pipi/netlab_gh/netsim/ansible/tasks/deploy-config/eos.yml for r1, r2, r3, r4 TASK [eos_config: deploying bgp-xact from /home/pipi/net101/tools/tests/integration/vrf/bgp-xact.j2] *** changed: [r1] changed: [r4] changed: [r3] changed: [r2] PLAY RECAP ********************************************************************* dut : ok=34 changed=3 unreachable=0 failed=0 skipped=9 rescued=0 ignored=0 r1 : ok=34 changed=4 unreachable=0 failed=0 skipped=11 rescued=0 ignored=0 r2 : ok=34 changed=4 unreachable=0 failed=0 skipped=11 rescued=0 ignored=0 r3 : ok=34 changed=4 unreachable=0 failed=0 skipped=11 rescued=0 ignored=0 r4 : ok=34 changed=4 unreachable=0 failed=0 skipped=11 rescued=0 ignored=0 The device under test has two VRFs with two interfaces in each VRF. Routers are attached to those interfaces and run BGP with device under test. Assuming the multi-vrf test case succeeded, this one adds BGP routing with CE routers. * r1 and r2 should be able to ping each other * r3 and r4 should be able to ping each other * r1 should not be able to reach r3 The test also checks whether DUT unnecessarily enables IPv6 AF over IPv4 EBGP sessions