VPP-DEV API Coverages: SRv6

Jira: CSIT-1698

Change-Id: I6d9154284990df8877850e4014716510016e485b
Signed-off-by: Jan Gelety <jgelety@cisco.com>

4 files changed, 510 insertions, 83 deletions

diff --git a/resources/libraries/python/SRv6.py b/resources/libraries/python/SRv6.py
index 86dd0028bd..4ff8866bda 100644
--- a/resources/libraries/python/SRv6.py
+++ b/resources/libraries/python/SRv6.py
@@ -292,10 +292,10 @@ class SRv6:
             ip_addr = ip_address(ip_addr)
             prefix = IPUtil.create_prefix_object(ip_addr, int(prefix))
             traffic_type = getattr(
-                    SRv6PolicySteeringTypes, u"SR_STEER_IPV4"
-                ).value if ip_addr.version == 4 else getattr(
-                    SRv6PolicySteeringTypes, u"SR_STEER_IPV6"
-                ).value
+                SRv6PolicySteeringTypes, u"SR_STEER_IPV4"
+            ).value if ip_addr.version == 4 else getattr(
+                SRv6PolicySteeringTypes, u"SR_STEER_IPV6"
+            ).value
         else:
             raise ValueError(f"Unsupported mode: {mode}")
 
@@ -326,8 +326,8 @@ class SRv6:
             is missing.
         """
         sw_if_index, prefix, traffic_type = SRv6._get_sr_steer_policy_args(
-                node, mode, interface, ip_addr, prefix
-            )
+            node, mode, interface, ip_addr, prefix
+        )
 
         cmd = u"sr_steering_add_del"
         args = dict(
diff --git a/resources/libraries/robot/overlay/srv6.robot b/resources/libraries/robot/overlay/srv6.robot
index 6c73ad4bdf..806cab2f4d 100644
--- a/resources/libraries/robot/overlay/srv6.robot
+++ b/resources/libraries/robot/overlay/srv6.robot
@@ -225,105 +225,142 @@
 | | | Show SR LocalSIDs | ${nodes['${dut}']}
 | | END
 
-| Initialize IPv6 forwarding over SRv6 with encapsulation with '${n}' x SID '${prepos}' decapsulation in 3-node circular topology
+| Initialize SRv6 encapsulation with '${n}' x SID '${prepos}' decapsulation
 | | [Documentation]
-| | ... | Set UP state on VPP interfaces in path on nodes in 3-node circular
+| | ... | Set UP state on VPP interfaces in path on node(s) in circular
 | | ... | topology. Get the interface MAC addresses and setup neighbours on all
 | | ... | VPP interfaces. Setup IPv6 addresses on all interfaces. Set segment
 | | ... | routing for IPv6 for required number of SIDs and configure IPv6 routes
-| | ... | on both DUT nodes.
+| | ... | on DUT node(s).
+| |
+| | ${status} | ${value}= | Run Keyword And Ignore Error
+| | ... | Variable Should Exist | ${dut2}
+| | ${dut2_status}= | Set Variable If | '${status}' == 'PASS' | ${True}
+| | ... | ${False}
 | |
 | | VPP Interface Set IP Address
 | | ... | ${dut1} | ${DUT1_${int}1}[0] | ${dut1_if1_ip6} | ${prefix}
 | | VPP Interface Set IP Address
 | | ... | ${dut1} | ${DUT1_${int}2}[0] | ${dut1_if2_ip6} | ${prefix}
-| | VPP Interface Set IP Address
+| | Run Keyword If | ${dut2_status}
+| | ... | VPP Interface Set IP Address
 | | ... | ${dut2} | ${DUT2_${int}1}[0] | ${dut2_if1_ip6} | ${prefix}
-| | VPP Interface Set IP Address
+| | Run Keyword If | ${dut2_status}
+| | ... | VPP Interface Set IP Address
 | | ... | ${dut2} | ${DUT2_${int}2}[0] | ${dut2_if2_ip6} | ${prefix}
 | | Vpp All Ra Suppress Link Layer | ${nodes}
 | | FOR | ${number} | IN RANGE | 2 | ${dst_addr_nr}+2
 | | | ${hexa_nr}= | Convert To Hex | ${number}
-| | | VPP Add IP Neighbor | ${dut1}
-| | | ... | ${DUT1_${int}1}[0] | ${tg_if1_ip6_subnet}${hexa_nr}
+| | | VPP Add IP Neighbor
+| | | ... | ${dut1} | ${DUT1_${int}1}[0] | ${tg_if1_ip6_subnet}${hexa_nr}
 | | | ... | ${TG_pf1_mac}[0]
-| | | VPP Add IP Neighbor | ${dut2}
-| | | ... | ${DUT2_${int}2}[0] | ${tg_if2_ip6_subnet}${hexa_nr}
+| | | Run Keyword If | ${dut2_status}
+| | | ... | VPP Add IP Neighbor
+| | | ... | ${dut2} | ${DUT2_${int}2}[0] | ${tg_if2_ip6_subnet}${hexa_nr}
 | | | ... | ${TG_pf2_mac}[0]
 | | END
-| | VPP Add IP Neighbor
+| | Run Keyword If | ${dut2_status}
+| | ... | VPP Add IP Neighbor
 | | ... | ${dut1} | ${DUT1_${int}2}[0] | ${dut2_if1_ip6}
 | | ... | ${DUT2_${int}1_mac}[0]
-| | VPP Add IP Neighbor
-| | ... | ${dut2} | ${DUT2_${int}1}[0] | ${dut1_if2_ip6}
-| | ... | ${DUT1_${int}2_mac}[0]
+| | Run Keyword Unless | ${dut2_status}
+| | ... | VPP Add IP Neighbor
+| | ... | ${dut1} | ${DUT1_${int}2}[0] | ${dut2_if1_ip6} | ${TG_pf2_mac}[0]
+| | Run Keyword If | ${dut2_status}
+| | ... | VPP Add IP Neighbor
+| | ... | ${dut2} | ${DUT2_${int}1}[0] | ${dut1_if2_ip6}| ${DUT1_${int}2_mac}[0]
 | | ${sid1}= | Set Variable If
 | | ... | "${n}" == "1" | ${dut2_sid1}
 | | ... | "${n}" == "2" | ${dut2_sid1_1}
 | | ${sid2}= | Set Variable If
 | | ... | "${n}" == "1" | ${dut1_sid2}
 | | ... | "${n}" == "2" | ${dut1_sid2_1}
-| | Vpp Route Add | ${dut1} | ${sid1} | ${sid_prefix} | gateway=${dut2_if1_ip6}
+| | Vpp Route Add
+| | ... | ${dut1} | ${sid1} | ${sid_prefix} | gateway=${dut2_if1_ip6}
 | | ... | interface=${DUT1_${int}2}[0]
-| | Vpp Route Add | ${dut2} | ${sid2} | ${sid_prefix} | gateway=${dut1_if2_ip6}
+| | Run Keyword If | ${dut2_status}
+| | ... | Vpp Route Add
+| | ... | ${dut2} | ${sid2} | ${sid_prefix} | gateway=${dut1_if2_ip6}
 | | ... | interface=${DUT2_${int}1}[0]
 # Configure SRv6 for direction0
-| | Set SR Encaps Source Address on DUT | ${dut1} | ${dut1_sid1}
-| | @{sid_list_dir0}= | Run Keyword If | "${n}" == "1"
+| | Set SR Encaps Source Address on DUT
+| | ... | ${dut1} | ${dut1_sid1}
+| | @{sid_list_dir0}= | Run Keyword If | '${n}' == '1'
 | | ... | Create List | ${dut2_sid1}
-| | ... | ELSE IF | "${n}" == "2"
+| | ... | ELSE IF | '${n}' == '2'
 | | ... | Create List | ${dut2_sid1_1} | ${dut2_sid1_2}
-| | Configure SR Policy on DUT | ${dut1} | ${dut1_bsid} | encap
-| | ... | @{sid_list_dir0}
-| | Configure SR Steer on DUT | ${dut1} | L3 | ${dut1_bsid}
-| | ... | ip_addr=${tg_if2_ip6_subnet} | prefix=${sid_prefix}
-| | Run Keyword If | "${n}" == "1"
-| | ... | Configure SR LocalSID on DUT | ${dut2} | ${dut2_sid1} | end.dx6
-| | ... | interface=${DUT2_${int}2}[0] | next_hop=${tg_if2_ip6_subnet}2
-| | Run Keyword If | "${n}" == "2"
-| | ... | Configure SR LocalSID on DUT | ${dut2} | ${dut2_sid1_1} | end
-| | Run Keyword If | "${n}" == "2" and "${prepos}" != "without"
-| | ... | Configure SR LocalSID on DUT | ${dut2} | ${dut2_sid1_2} | end.dx6
+| | Configure SR Policy on DUT
+| | ... | ${dut1} | ${dut1_bsid} | encap | @{sid_list_dir0}
+| | Configure SR Steer on DUT
+| | ... | ${dut1} | L3 | ${dut1_bsid} | ip_addr=${tg_if2_ip6_subnet}
+| | ... | prefix=${sid_prefix}
+| | Run Keyword If | ${dut2_status} and '${n}' == '1'
+| | ... | Configure SR LocalSID on DUT
+| | ... | ${dut2} | ${dut2_sid1} | end.dx6 | interface=${DUT2_${int}2}[0]
+| | ... | next_hop=${tg_if2_ip6_subnet}2
+| | Run Keyword If | ${dut2_status} and '${n}' == '2'
+| | ... | Configure SR LocalSID on DUT
+| | ... | ${dut2} | ${dut2_sid1_1} | end
+| | Run Keyword If
+| | ... | ${dut2_status} and '${n}' == '2' and '${prepos}' != 'without'
+| | ... | Configure SR LocalSID on DUT
+| | ... | ${dut2} | ${dut2_sid1_2} | end.dx6
 | | ... | interface=${DUT2_${int}2}[0] | next_hop=${tg_if2_ip6_subnet}2
-| | Run Keyword If | "${n}" == "2" and "${prepos}" == "without"
-| | ... | Vpp Route Add | ${dut2} | ${dut2_sid1_2} | ${sid_prefix}
+| | Run Keyword If
+| | ... | ${dut2_status} and '${n}' == '2' and '${prepos}' == 'without'
+| | ... | Vpp Route Add
+| | ... | ${dut2} | ${dut2_sid1_2} | ${sid_prefix}
 | | ... | gateway=${tg_if2_ip6_subnet}2 | interface=${DUT2_${int}2}[0]
 # Configure SRv6 for direction1
-| | Set SR Encaps Source Address on DUT | ${dut2} | ${dut2_sid2}
-| | @{sid_list_dir1}= | Run Keyword If | "${n}" == "1"
+| | Run Keyword If | ${dut2_status}
+| | ... | Set SR Encaps Source Address on DUT
+| | ... | ${dut2} | ${dut2_sid2}
+| | @{sid_list_dir1}= | Run Keyword If | '${n}' == '1'
 | | ... | Create List | ${dut1_sid2}
-| | ... | ELSE IF | "${n}" == "2"
+| | ... | ELSE IF | '${n}' == '2'
 | | ... | Create List | ${dut1_sid2_1} | ${dut1_sid2_2}
-| | Configure SR Policy on DUT | ${dut2} | ${dut2_bsid} | encap
-| | ... | @{sid_list_dir1}
-| | Configure SR Steer on DUT | ${dut2} | L3 | ${dut2_bsid}
-| | ... | ip_addr=${tg_if1_ip6_subnet} | prefix=${sid_prefix}
-| | Run Keyword If | "${n}" == "1"
-| | ... | Configure SR LocalSID on DUT | ${dut1} | ${dut1_sid2} | end.dx6
-| | ... | interface=${DUT1_${int}1}[0] | next_hop=${tg_if1_ip6_subnet}2
-| | Run Keyword If | "${n}" == "2"
-| | ... | Configure SR LocalSID on DUT | ${dut1} | ${dut1_sid2_1} | end
-| | Run Keyword If | "${n}" == "2" and "${prepos}" != "without"
-| | ... | Configure SR LocalSID on DUT | ${dut1} | ${dut1_sid2_2} | end.dx6
-| | ... | interface=${DUT1_${int}1}[0] | next_hop=${tg_if1_ip6_subnet}2
-| | Run Keyword If | "${n}" == "2" and "${prepos}" == "without"
-| | ... | Vpp Route Add | ${dut1} | ${dut1_sid2_2} | ${sid_prefix}
+| | Run Keyword If | ${dut2_status}
+| | ... | Configure SR Policy on DUT
+| | ... | ${dut2} | ${dut2_bsid} | encap | @{sid_list_dir1}
+| | Run Keyword If | ${dut2_status}
+| | ... | Configure SR Steer on DUT
+| | ... | ${dut2} | L3 | ${dut2_bsid} | ip_addr=${tg_if1_ip6_subnet}
+| | ... | prefix=${sid_prefix}
+| | Run Keyword If | '${n}' == '1'
+| | ... | Configure SR LocalSID on DUT
+| | ... | ${dut1} | ${dut1_sid2} | end.dx6 | interface=${DUT1_${int}1}[0]
+| | ... | next_hop=${tg_if1_ip6_subnet}2
+| | Run Keyword If | '${n}' == '2'
+| | ... | Configure SR LocalSID on DUT
+| | ... | ${dut1} | ${dut1_sid2_1} | end
+| | Run Keyword If | '${n}' == '2' and '${prepos}' != 'without'
+| | ... | Configure SR LocalSID on DUT
+| | ... | ${dut1} | ${dut1_sid2_2} | end.dx6 | interface=${DUT1_${int}1}[0]
+| | ... | next_hop=${tg_if1_ip6_subnet}2
+| | Run Keyword If | '${n}' == '2' and '${prepos}' == 'without'
+| | ... | Vpp Route Add
+| | ... | ${dut1} | ${dut1_sid2_2} | ${sid_prefix}
 | | ... | gateway=${tg_if1_ip6_subnet}2 | interface=${DUT1_${int}1}[0]
 | | Set interfaces in path up
 
-| Initialize IPv6 forwarding over SRv6 with endpoint to SR-unaware Service Function via '${behavior}' behaviour in 3-node circular topology
+| Initialize SRv6 with '${behavior}' SR-unaware Service Function
 | | [Documentation]
 | | ... | Create pair of Memif interfaces on all defined VPP nodes. Set UP
-| | ... | state on VPP interfaces in path on nodes in 3-node circular topology.
+| | ... | state on VPP interfaces in path on node(s) in circular topology.
 | | ... | Get the interface MAC addresses and setup neighbours on all VPP
 | | ... | interfaces. Setup IPv6 addresses on all interfaces. Set segment
 | | ... | routing for IPv6 with defined behaviour function and configure IPv6
-| | ... | routes on both DUT nodes.
+| | ... | routes on DUT node(s).
 | |
 | | ... | *Note:*
 | | ... | KW uses test variable rxq_count_int set by KW Add worker threads
 | | ... | and rxqueues to all DUTs
 | |
+| | ${status} | ${value}= | Run Keyword And Ignore Error
+| | ... | Variable Should Exist | ${dut2}
+| | ${dut2_status}= | Set Variable If | '${status}' == 'PASS' | ${True}
+| | ... | ${False}
+| |
 | | ${sock1}= | Set Variable | memif-DUT1_CNF
 | | ${sock2}= | Set Variable | memif-DUT2_CNF
 | | Set up memif interfaces on DUT node | ${dut1} | ${sock1} | ${sock1}
@@ -331,11 +368,14 @@
 | | ... | ${rxq_count_int}
 | | VPP Set interface MTU | ${dut1} | ${dut1-memif-1-if1}
 | | VPP Set interface MTU | ${dut1} | ${dut1-memif-1-if2}
-| | Set up memif interfaces on DUT node | ${dut2} | ${sock2} | ${sock2}
+| | Run Keyword If | ${dut2_status}
+| | ... | Set up memif interfaces on DUT node | ${dut2} | ${sock2} | ${sock2}
 | | ... | ${1} | dut2-memif-1-if1 | dut2-memif-1-if2 | ${rxq_count_int}
 | | ... | ${rxq_count_int}
-| | VPP Set interface MTU | ${dut2} | ${dut2-memif-1-if1}
-| | VPP Set interface MTU | ${dut2} | ${dut2-memif-1-if2}
+| | Run Keyword If | ${dut2_status}
+| | ... | VPP Set interface MTU | ${dut2} | ${dut2-memif-1-if1}
+| | Run Keyword If | ${dut2_status}
+| | ... | VPP Set interface MTU | ${dut2} | ${dut2-memif-1-if2}
 | | FOR | ${dut} | IN | @{duts}
 | | | Show Memif | ${nodes['${dut}']}
 | | END
@@ -347,40 +387,54 @@
 | | ... | ${dut1-memif-1-if1_ip6} | ${mem_prefix}
 | | VPP Interface Set IP Address | ${dut1} | ${dut1-memif-1-if2}
 | | ... | ${dut1-memif-1-if2_ip6} | ${mem_prefix}
-| | VPP Interface Set IP Address
+| | Run Keyword If | ${dut2_status}
+| | ... | VPP Interface Set IP Address
 | | ... | ${dut2} | ${DUT2_${int}1}[0] | ${dut2_if1_ip6} | ${prefix}
-| | VPP Interface Set IP Address
+| | Run Keyword If | ${dut2_status}
+| | ... | VPP Interface Set IP Address
 | | ... | ${dut2} | ${DUT2_${int}2}[0] | ${dut2_if2_ip6} | ${prefix}
-| | VPP Interface Set IP Address | ${dut2} | ${dut2-memif-1-if1}
+| | Run Keyword If | ${dut2_status}
+| | ... | VPP Interface Set IP Address | ${dut2} | ${dut2-memif-1-if1}
 | | ... | ${dut2-memif-1-if1_ip6} | ${mem_prefix}
-| | VPP Interface Set IP Address | ${dut2} | ${dut2-memif-1-if2}
+| | Run Keyword If | ${dut2_status}
+| | ... | VPP Interface Set IP Address | ${dut2} | ${dut2-memif-1-if2}
 | | ... | ${dut2-memif-1-if2_ip6} | ${mem_prefix}
 | | Vpp All Ra Suppress Link Layer | ${nodes}
-| | VPP Add IP Neighbor
+| | Run Keyword If | ${dut2_status}
+| | ... | VPP Add IP Neighbor
 | | ... | ${dut1} | ${DUT1_${int}2}[0] | ${dut2_if1_ip6}
 | | ... | ${DUT2_${int}1_mac}[0]
-| | VPP Add IP Neighbor
+| | Run Keyword Unless | ${dut2_status}
+| | ... | VPP Add IP Neighbor
+| | ... | ${dut1} | ${DUT1_${int}2}[0] | ${dut2_if1_ip6} | ${TG_pf2_mac}[0]
+| | Run Keyword If | ${dut2_status}
+| | ... | VPP Add IP Neighbor
 | | ... | ${dut2} | ${DUT2_${int}1}[0] | ${dut1_if2_ip6}
 | | ... | ${DUT1_${int}2_mac}[0]
 | | VPP Add IP Neighbor
 | | ... | ${dut1} | ${DUT1_${int}1}[0] | ${tg_if1_ip6_subnet}2
 | | ... | ${TG_pf1_mac}[0]
-| | VPP Add IP Neighbor
+| | Run Keyword If | ${dut2_status}
+| | ... | VPP Add IP Neighbor
 | | ... | ${dut2} | ${DUT2_${int}2}[0] | ${tg_if2_ip6_subnet}2
 | | ... | ${TG_pf2_mac}[0]
 | | ${dut1-memif-1-if2_mac}= | Get Interface MAC | ${dut1} | memif2
-| | ${dut2-memif-1-if2_mac}= | Get Interface MAC | ${dut2} | memif2
+| | ${dut2-memif-1-if2_mac}= | Run Keyword If | ${dut2_status}
+| | ... | Get Interface MAC | ${dut2} | memif2
 | | VPP Add IP Neighbor | ${dut1}
 | | ... | ${dut1-memif-1-if1} | ${dut1_nh} | ${dut1-memif-1-if2_mac}
-| | VPP Add IP Neighbor | ${dut2}
+| | Run Keyword If | ${dut2_status}
+| | ... | VPP Add IP Neighbor | ${dut2}
 | | ... | ${dut2-memif-1-if1} | ${dut2_nh} | ${dut2-memif-1-if2_mac}
 | | Vpp Route Add | ${dut1} | ${dut2_sid1} | ${sid_prefix}
 | | ... | gateway=${dut2_if1_ip6} | interface=${dut1_if2}
 | | Vpp Route Add | ${dut1} | ${out_sid2_1} | ${sid_prefix}
 | | ... | gateway=${tg_if1_ip6_subnet}2 | interface=${dut1_if1}
-| | Vpp Route Add | ${dut2} | ${dut1_sid2} | ${sid_prefix}
+| | Run Keyword If | ${dut2_status}
+| | ... | Vpp Route Add | ${dut2} | ${dut1_sid2} | ${sid_prefix}
 | | ... | gateway=${dut1_if2_ip6} | interface=${dut2_if1}
-| | Vpp Route Add | ${dut2} | ${out_sid1_1} | ${sid_prefix}
+| | Run Keyword If | ${dut2_status}
+| | ... | Vpp Route Add | ${dut2} | ${out_sid1_1} | ${sid_prefix}
 | | ... | gateway=${tg_if2_ip6_subnet}2 | interface=${dut2_if2}
 # Configure SRv6 for direction0 on DUT1
 | | Set SR Encaps Source Address on DUT | ${dut1} | ${dut1_sid1}
@@ -391,40 +445,46 @@
 | | Configure SR Steer on DUT | ${dut1} | L3 | ${dut1_bsid}
 | | ... | ip_addr=${tg_if2_ip6_subnet} | prefix=${sid_prefix}
 # Configure SRv6 for direction1 on DUT2
-| | Set SR Encaps Source Address on DUT | ${dut2} | ${dut2_sid2}
+| | Run Keyword If | ${dut2_status}
+| | ... | Set SR Encaps Source Address on DUT | ${dut2} | ${dut2_sid2}
 | | @{sid_list_dir1}= | Create List | ${dut1_sid2} | ${out_sid2_1}
 | | ... | ${out_sid2_2}
-| | Configure SR Policy on DUT | ${dut2} | ${dut2_bsid} | encap
+| | Run Keyword If | ${dut2_status}
+| | ... | Configure SR Policy on DUT | ${dut2} | ${dut2_bsid} | encap
 | | ... | @{sid_list_dir1}
-| | Configure SR Steer on DUT | ${dut2} | L3 | ${dut2_bsid}
+| | Run Keyword If | ${dut2_status}
+| | ... | Configure SR Steer on DUT | ${dut2} | L3 | ${dut2_bsid}
 | | ... | ip_addr=${tg_if1_ip6_subnet} | prefix=${sid_prefix}
 # Configure SRv6 for direction0 on DUT2
-| | ${dut2_out_if}= | Get Interface Name | ${dut2} | memif1
-| | ${dut2_in_if}= | Get Interface Name | ${dut2} | memif2
+| | ${dut2_out_if}= | Run Keyword If | ${dut2_status}
+| | ... | Get Interface Name | ${dut2} | memif1
+| | ${dut2_in_if}= | Run Keyword If | ${dut2_status}
+| | ... | Get Interface Name | ${dut2} | memif2
 | | Remove Values From List | ${sid_list_dir0} | ${dut2_sid1}
-| | Run Keyword If | "${behavior}" == "static_proxy"
+| | Run Keyword If | ${dut2_status} and '${behavior}' == 'static_proxy'
 | | ... | Configure SR LocalSID on DUT | ${dut2} | ${dut2_sid1} | end.as
 | | ... | ${NONE} | ${dut2_nh} | ${NONE} | ${dut2_out_if} | ${dut2_in_if}
 | | ... | ${dut1_sid1} | @{sid_list_dir0}
-| | ... | ELSE IF | "${behavior}" == "dynamic_proxy"
+| | ... | ELSE IF | ${dut2_status} and '${behavior}' == 'dynamic_proxy'
 | | ... | Configure SR LocalSID on DUT | ${dut2} | ${dut2_sid1} | end.ad
 | | ... | next_hop=${dut2_nh} | out_if=${dut2_out_if} | in_if=${dut2_in_if}
-| | ... | ELSE IF | "${behavior}" == "masquerading"
+| | ... | ELSE IF | ${dut2_status} and '${behavior}' == 'masquerading'
 | | ... | Configure SR LocalSID on DUT | ${dut2} | ${dut2_sid1} | end.am
 | | ... | next_hop=${dut2_nh} | out_if=${dut2_out_if} | in_if=${dut2_in_if}
-| | ... | ELSE | Fail | Unsupported behaviour: ${behavior}
+| | ... | ELSE IF | ${dut2_status}
+| | ... | Fail | Unsupported behaviour: ${behavior}
 # Configure SRv6 for direction1 on DUT1
 | | ${dut1_out_if}= | Get Interface Name | ${dut1} | memif1
 | | ${dut1_in_if}= | Get Interface Name | ${dut1} | memif2
 | | Remove Values From List | ${sid_list_dir1} | ${dut1_sid2}
-| | Run Keyword If | "${behavior}" == "static_proxy"
+| | Run Keyword If | '${behavior}' == 'static_proxy'
 | | ... | Configure SR LocalSID on DUT | ${dut1} | ${dut1_sid2} | end.as
 | | ... | ${NONE} | ${dut1_nh} | ${NONE} | ${dut1_out_if} | ${dut1_in_if}
 | | ... | ${dut2_sid2} | @{sid_list_dir1}
-| | ... | ELSE IF | "${behavior}" == "dynamic_proxy"
+| | ... | ELSE IF | '${behavior}' == 'dynamic_proxy'
 | | ... | Configure SR LocalSID on DUT | ${dut1} | ${dut1_sid2} | end.ad
 | | ... | next_hop=${dut1_nh} | out_if=${dut1_out_if} | in_if=${dut1_in_if}
-| | ... | ELSE IF | "${behavior}" == "masquerading"
+| | ... | ELSE IF | '${behavior}' == 'masquerading'
 | | ... | Configure SR LocalSID on DUT | ${dut1} | ${dut1_sid2} | end.am
 | | ... | next_hop=${dut1_nh} | out_if=${dut1_out_if} | in_if=${dut1_in_if}
 | | ... | ELSE | Fail | Unsupported behaviour: ${behavior}
diff --git a/resources/libraries/robot/shared/traffic.robot b/resources/libraries/robot/shared/traffic.robot
index cc33969540..0b65c8d892 100644
--- a/resources/libraries/robot/shared/traffic.robot
+++ b/resources/libraries/robot/shared/traffic.robot
@@ -495,3 +495,64 @@
 | | ... | --ot_mode | ${ot_mode}
 | | Run Traffic Script On Node | lisp/lispgpe_check.py | ${tg_node}
 | | ... | ${args}
+
+| Send IPv6 Packet and verify SRv6 encapsulation in received packet
+| | [Documentation] | Send IP packet from TG to DUT. Receive IPv6 packet with\
+| | ... | SRv6 extension header from DUT on TG and verify SRv6 encapsulation.\
+| | ... | Send IPv6 packet with SRv6 extension header in opposite direction and\
+| | ... | verify received IP packet.
+| |
+| | ... | *Arguments:*
+| | ... | - node - TG node. Type: dictionary
+| | ... | - tx_interface - TG Interface 1. Type: string
+| | ... | - rx_interface - TG Interface 2. Type: string
+| | ... | - tx_dst_mac - Destination MAC for TX interface / DUT interface 1 MAC.
+| | ... | Type: string
+| | ... | - rx_src_mac - Source MAC for RX interface / DUT interface 2 MAC.
+| | ... | Type: string
+| | ... | - src_ip - Source IP address. Type: string
+| | ... | - dst_ip - Destination IP address. Type: string
+| | ... | - dut_srcsid - Source SID on DUT (dir0). Type: string
+| | ... | - dut_dstsid1 - The first destination SID on DUT (dir1). Type: string
+| | ... | - tg_srcsid - Source SID on TG (dir1). Type: string
+| | ... | - tg_dstsid1 - The first destination SID on TG (dir0). Type: string
+| | ... | - dut_dstsid2 - The second destination SID on DUT (dir1). Type: string
+| | ... | - tg_dstsid2 - The second destination SID on TG (dir0). Type: string
+| | ... | - decap - True if decapsulation expected, false if encapsulated packet
+| | ... | expected on receiving interface (Optional). Type: boolean
+| | ... | - tg_dstsid3 - The third destination SID on TG (dir0) (Optional).
+| | ... | Type: string
+| | ... | - dut_dstsid3 - The third destination SID on DUT (dir1) (Optional).
+| | ... | Type: string
+| | ... | - static_proxy - Switch for SRv6 with endpoint to SR-unaware Service
+| | ... | Function via static proxy (Optional). Type: boolean
+| |
+| | ... | *Example:*
+| | ... | \| Send IPv6 Packet and verify SRv6 encapsulation in received packet\
+| | ... | \| ${nodes['TG']} \| eth1 \| eth2 \
+| | ... | \| 52:54:00:d4:d8:22 \| 52:54:00:d4:d8:3e \| 2002:1:: \
+| | ... | \| 2003:2:: \| 2003:1:: \| 2002:2:: \| decap=${False} \
+| | ... | \| tg_dstsid3=2002:4:: \| dut_dstsid3=2003:4:: \
+| | ... | \| static_proxy=${True} \|
+| |
+| | [Arguments] | ${node} | ${tx_interface} | ${rx_interface} | ${tx_dst_mac}
+| | ... | ${rx_src_mac} | ${src_ip} | ${dst_ip} | ${dut_srcsid}
+| | ... | ${dut_dstsid1} | ${tg_srcsid} | ${tg_dstsid1}
+| | ... | ${dut_dstsid2}=${None} | ${tg_dstsid2}=${None} | ${decap}=${True}
+| | ... | ${tg_dstsid3}=${None} | ${dut_dstsid3}=${None}
+| | ... | ${static_proxy}=${False}
+| |
+| | ${tx_src_mac}= | Get Interface Mac | ${node} | ${tx_interface}
+| | ${tx_if_name}= | Get Interface Name | ${node} | ${tx_interface}
+| | ${rx_dst_mac}= | Get Interface Mac | ${node} | ${rx_interface}
+| | ${rx_if_name}= | Get Interface Name | ${node} | ${rx_interface}
+| | ${args}= | Catenate | --rx_if ${rx_if_name} | --tx_if ${tx_if_name}
+| | ... | --tx_src_mac ${tx_src_mac} | --tx_dst_mac ${tx_dst_mac}
+| | ... | --rx_src_mac ${rx_src_mac} | --rx_dst_mac ${rx_dst_mac}
+| | ... | --src_ip ${src_ip} | --dst_ip ${dst_ip} | --dir0_srcsid ${dut_srcsid}
+| | ... | --dir0_dstsid1 ${tg_dstsid1} | --dir0_dstsid2 ${tg_dstsid2}
+| | ... | --dir1_srcsid ${tg_srcsid} | --dir1_dstsid1 ${dut_dstsid1}
+| | ... | --dir1_dstsid2 ${dut_dstsid2} | --decap ${decap}
+| | ... | --dir0_dstsid3 ${tg_dstsid3} | --dir1_dstsid3 ${dut_dstsid3}
+| | ... | --static_proxy ${static_proxy}
+| | Run Traffic Script On Node | srv6_encap.py | ${node} | ${args}
diff --git a/resources/traffic_scripts/srv6_encap.py b/resources/traffic_scripts/srv6_encap.py
new file mode 100755
index 0000000000..506a245576
--- /dev/null
+++ b/resources/traffic_scripts/srv6_encap.py
@@ -0,0 +1,306 @@
+#!/usr/bin/env python3
+
+# Copyright (c) 2020 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""Traffic script for SRv6 verification."""
+
+import sys
+
+from scapy.layers.inet6 import IPv6, ICMPv6ND_NS, IPv6ExtHdrSegmentRouting,\
+    ipv6nh
+from scapy.layers.l2 import Ether
+from scapy.packet import Raw
+
+from resources.libraries.python.PacketVerifier import RxQueue, TxQueue
+from resources.libraries.python.TrafficScriptArg import TrafficScriptArg
+
+
+def check_srv6(
+        pkt_recv, src_mac, dst_mac, src_ip, dst_ip, dir_srcsid, dir_dstsid1,
+        dir_dstsid2, dir_dstsid3, segleft_corr, static_proxy=False):
+    """Check received SRv6 packet.
+
+    :param pkt_recv: Received packet to verify.
+    :param src_mac: Source MAC address.
+    :param dst_mac: Destination MAC address.
+    :param src_ip: Source IP/IPv6 address of original IP/IPv6 packet.
+    :param dst_ip: Destination IP/IPv6 address of original IP/IPv6 packet.
+    :param dir_srcsid: Source SID for SR in desired direction.
+    :param dir_dstsid1: Destination SID1 in desired direction.
+    :param dir_dstsid2: Destination SID2 in desired direction.
+    :param dir_dstsid3: Destination SID3 in desired direction.
+    :param segleft_corr: Correction for expected segleft value of SRH.
+    :type pkt_recv: scapy.Ether
+    :type src_mac: str
+    :type dst_mac: str
+    :type src_ip: str
+    :type dst_ip: str
+    :type dir_srcsid: str
+    :type dir_dstsid1: str
+    :type dir_dstsid2: str
+    :type dir_dstsid3: str
+    :type segleft_corr: int
+    :type static_proxy; bool
+    :raises RuntimeError: If received packet is invalid.
+    """
+    if pkt_recv[Ether].src != src_mac:
+        raise RuntimeError(
+            f"Received frame has invalid source MAC address: "
+            f"{pkt_recv[Ether].src} should be: {src_mac}"
+        )
+    if pkt_recv[Ether].dst != dst_mac:
+        raise RuntimeError(
+            f"Received frame has invalid destination MAC address: "
+            f"{pkt_recv[Ether].dst} should be: {dst_mac}"
+        )
+    if not pkt_recv.haslayer(IPv6):
+        raise RuntimeError(
+            f"Not an IPv6 packet received: {pkt_recv!r}"
+        )
+    ip6_pkt = pkt_recv[IPv6]
+    if ip6_pkt.src != dir_srcsid:
+        raise RuntimeError(
+            f"Outer IPv6 packet has invalid source address: "
+            f"{ip6_pkt.src} should be: {dir_srcsid}"
+        )
+    dir_dstsids = [dir_dstsid2, dir_dstsid1] if dir_dstsid3 == u"None" \
+        else [dir_dstsid3, dir_dstsid2, dir_dstsid1] if not static_proxy \
+        else [dir_dstsid3, dir_dstsid2]
+    segleft = len(dir_dstsids) - segleft_corr if not static_proxy \
+        else len(dir_dstsids) - segleft_corr + 1
+    if ip6_pkt.dst != dir_dstsids[segleft]:
+        raise RuntimeError(
+            f"Outer IPv6 packet has invalid destination address: "
+            f"{ip6_pkt.dst} should be: {dir_dstsids[segleft]}"
+        )
+    if dir_dstsid2 == u"None":
+        if ip6_pkt.haslayer(IPv6ExtHdrSegmentRouting):
+            raise RuntimeError(
+                f"Segment Routing Header in received packet: {pkt_recv!r}"
+            )
+        if ip6_pkt.nh != 41:  # ipv6nh[41] == IPv6
+            raise RuntimeError(
+                f"Outer IPv6 packet has invalid next header: "
+                f"{ip6_pkt.nh} should be: 41 ({ipv6nh[41]})"
+            )
+        ip6_pkt = ip6_pkt[IPv6][1]
+    else:
+        if not pkt_recv.haslayer(IPv6ExtHdrSegmentRouting):
+            raise RuntimeError(
+                f"No Segment Routing Header in received packet: {pkt_recv!r}"
+            )
+        if ip6_pkt.nh != 43:  # ipv6nh[43] == Routing Header
+            raise RuntimeError(
+                f"Outer IPv6 packet has invalid next header: "
+                f"{pkt_recv[IPv6][0].nh} should be: 43 ({ipv6nh[43]})"
+            )
+        ip6_pkt = ip6_pkt[IPv6ExtHdrSegmentRouting]
+        if ip6_pkt.addresses != dir_dstsids:
+            raise RuntimeError(
+                f"Segment Routing Header has invalid addresses: "
+                f"{ip6_pkt.addresses} should be: {dir_dstsids}"
+            )
+        if ip6_pkt.segleft != segleft:
+            raise RuntimeError(
+                f"Segment Routing Header has invalid segleft value: "
+                f"{ip6_pkt.segleft} should be: {segleft}"
+            )
+        if ip6_pkt.nh != 41:  # ipv6nh[41] == IPv6
+            raise RuntimeError(
+                f"Segment Routing Header has invalid next header: "
+                f"{ip6_pkt.nh} should be: 41 ({ipv6nh[41]})"
+            )
+        ip6_pkt = ip6_pkt[IPv6]
+    if ip6_pkt.src != src_ip:
+        raise RuntimeError(
+            f"Inner IPv6 packet has invalid source address: "
+            f"{ip6_pkt.src} should be: {src_ip}"
+        )
+    if ip6_pkt.dst != dst_ip:
+        raise RuntimeError(
+            f"Inner IPv6 packet has invalid destination address: "
+            f"{ip6_pkt.dst} should be: {dst_ip}"
+        )
+    if ip6_pkt.nh != 59:  # ipv6nh[59] == No Next Header
+        raise RuntimeError(
+            f"Inner IPv6 packet has invalid next header: "
+            f"{ip6_pkt.nh} should be: 59 ({ipv6nh[59]})"
+        )
+
+
+def check_ip(pkt_recv, src_mac, dst_mac, src_ip, dst_ip):
+    """Check received IPv6 packet.
+
+    :param pkt_recv: Received packet to verify.
+    :param src_mac: Source MAC address.
+    :param dst_mac: Destination MAC address.
+    :param src_ip: Source IP/IPv6 address.
+    :param dst_ip: Destination IP/IPv6 address.
+    :type pkt_recv: scapy.Ether
+    :type src_mac: str
+    :type dst_mac: str
+    :type src_ip: str
+    :type dst_ip: str
+    :raises RuntimeError: If received packet is invalid.
+    """
+    if pkt_recv[Ether].src != src_mac:
+        raise RuntimeError(
+            f"Received frame has invalid source MAC address: "
+            f"{pkt_recv[Ether].src} should be: {src_mac}"
+        )
+
+    if pkt_recv[Ether].dst != dst_mac:
+        raise RuntimeError(
+            f"Received frame has invalid destination MAC address: "
+            f"{pkt_recv[Ether].dst} should be: {dst_mac}"
+        )
+
+    if not pkt_recv.haslayer(IPv6):
+        raise RuntimeError(
+            f"Not an {IPv6.name} packet received: {pkt_recv!r}"
+        )
+
+    if pkt_recv[IPv6].dst != dst_ip:
+        raise RuntimeError(
+            f"Received packet has invalid destination address: "
+            f"{pkt_recv[IPv6.name].dst} should be: {dst_ip}"
+        )
+
+    if pkt_recv[IPv6].src != src_ip:
+        raise RuntimeError(
+            f"Received packet has invalid destination address: "
+            f"{pkt_recv[IPv6.name].dst} should be: {src_ip}"
+        )
+
+    if pkt_recv[IPv6].nh != 59:  # ipv6nh[59] == No Next Header
+        raise RuntimeError(
+            f"Received IPv6 packet has invalid next header: "
+            f"{IPv6.nh} should be: 59 ({ipv6nh[59]})"
+        )
+
+
+def main():
+    """Send, receive and check IPv6 and IPv6ExtHdrSegmentRouting packets."""
+
+    args = TrafficScriptArg(
+        [
+            u"tx_src_mac", u"tx_dst_mac", u"rx_src_mac", u"rx_dst_mac",
+            u"src_ip", u"dst_ip", u"dir0_srcsid", u"dir0_dstsid1",
+            u"dir0_dstsid2", u"dir1_srcsid", u"dir1_dstsid1", u"dir1_dstsid2",
+            u"decap", u"dir0_dstsid3", u"dir1_dstsid3", u"static_proxy"
+        ]
+    )
+
+    tx_txq = TxQueue(args.get_arg(u"tx_if"))
+    tx_rxq = RxQueue(args.get_arg(u"tx_if"))
+    rx_txq = TxQueue(args.get_arg(u"rx_if"))
+    rx_rxq = RxQueue(args.get_arg(u"rx_if"))
+
+    tx_src_mac = args.get_arg(u"tx_src_mac")
+    tx_dst_mac = args.get_arg(u"tx_dst_mac")
+    rx_src_mac = args.get_arg(u"rx_src_mac")
+    rx_dst_mac = args.get_arg(u"rx_dst_mac")
+    src_ip = args.get_arg(u"src_ip")
+    dst_ip = args.get_arg(u"dst_ip")
+
+    dir0_srcsid = args.get_arg(u"dir0_srcsid")
+    dir0_dstsid1 = args.get_arg(u"dir0_dstsid1")
+    dir0_dstsid2 = args.get_arg(u"dir0_dstsid2")
+    dir1_srcsid = args.get_arg(u"dir1_srcsid")
+    dir1_dstsid1 = args.get_arg(u"dir1_dstsid1")
+    dir1_dstsid2 = args.get_arg(u"dir1_dstsid2")
+    decap = args.get_arg(u"decap")
+    dir0_dstsid3 = args.get_arg(u"dir0_dstsid3")
+    dir1_dstsid3 = args.get_arg(u"dir1_dstsid3")
+    static_proxy = args.get_arg(u"static_proxy")
+
+    ip_pkt = IPv6(src=src_ip, dst=dst_ip)
+
+    sent_packets = list()
+    tx_pkt_send = (Ether(src=tx_src_mac, dst=tx_dst_mac) / ip_pkt)
+    tx_pkt_send /= Raw()
+    size_limit = 78
+    if len(tx_pkt_send) < size_limit:
+        tx_pkt_send[Raw].load += (b"\0" * (size_limit - len(tx_pkt_send)))
+    sent_packets.append(tx_pkt_send)
+    tx_txq.send(tx_pkt_send)
+
+    while True:
+        rx_pkt_recv = rx_rxq.recv(2)
+
+        if rx_pkt_recv is None:
+            raise RuntimeError(f"{IPv6.name} packet Rx timeout")
+
+        if rx_pkt_recv.haslayer(ICMPv6ND_NS):
+            # read another packet in the queue if the current one is ICMPv6ND_NS
+            continue
+        else:
+            # otherwise process the current packet
+            break
+
+    check_srv6(
+        rx_pkt_recv, rx_src_mac, rx_dst_mac, src_ip, dst_ip, dir0_srcsid,
+        dir0_dstsid1, dir0_dstsid2, dir0_dstsid3, 1
+    )
+
+    ip_pkt = IPv6(src=dst_ip, dst=src_ip)
+    ip_pkt /= Raw()
+    if len(ip_pkt) < (size_limit - 14):
+        ip_pkt[Raw].load += (b"\0" * (size_limit - 14 - len(ip_pkt)))
+
+    rx_pkt_send = (
+            Ether(src=rx_dst_mac, dst=rx_src_mac) /
+            IPv6(src=dir1_srcsid, dst=dir1_dstsid1) /
+            IPv6ExtHdrSegmentRouting(
+                segleft=1 if dir1_dstsid3 == u"None" else 2,
+                lastentry=1 if dir1_dstsid3 == u"None" else 2,
+                addresses=[dir1_dstsid2, dir1_dstsid1]
+                if dir1_dstsid3 == u"None"
+                else [dir1_dstsid3, dir1_dstsid2, dir1_dstsid1]
+            ) /
+            ip_pkt
+    ) if dir1_dstsid2 != u"None" else (
+            Ether(src=rx_dst_mac, dst=rx_src_mac) /
+            IPv6(src=dir1_srcsid, dst=dir1_dstsid1) /
+            ip_pkt
+    )
+    rx_txq.send(rx_pkt_send)
+
+    while True:
+        tx_pkt_recv = tx_rxq.recv(2, ignore=sent_packets)
+
+        if tx_pkt_recv is None:
+            raise RuntimeError(f"{IPv6.name} packet Rx timeout")
+
+        if tx_pkt_recv.haslayer(ICMPv6ND_NS):
+            # read another packet in the queue if the current one is ICMPv6ND_NS
+            continue
+        else:
+            # otherwise process the current packet
+            break
+
+    if decap == u"True":
+        check_ip(tx_pkt_recv, tx_dst_mac, tx_src_mac, dst_ip, src_ip)
+    else:
+        check_srv6(
+            tx_pkt_recv, tx_dst_mac, tx_src_mac, dst_ip, src_ip, dir1_srcsid,
+            dir1_dstsid1, dir1_dstsid2, dir1_dstsid3, 2,
+            bool(static_proxy == u"True")
+        )
+
+    sys.exit(0)
+
+
+if __name__ == u"__main__":
+    main()