Policy

The following scenarios show how to configure different traffic policies. Policies can be used to manage and classify network packets. traffic selectors can be configured to filter packets based on certain fields.

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Test Policy Actions

Description

In this scenario, an ingress traffic policy is configured in DUT0 (‘eth0’ interface). Different traffic actions are configured to accept, drop or limit incoming traffic.

Scenario

Step 1: Set the following configuration in DUT0 :

set interfaces ethernet eth0 vif 100 address 10.0.0.1/24
set interfaces ethernet eth0 vif 100 traffic policy in POLICY_IN
set interfaces ethernet eth0 vif 100 traffic policy out POLICY_OUT
set system login user admin authentication encrypted-password '$6$GSjsCj8gHLv$/VcqU6FLi6CT2Oxn0MJQ2C2tqnRDrYKNF8HIYWJp68nvXvPdFccDsT04.WtigUONbKYrgKg8d6rEs8PjljMkH0'
set traffic policy POLICY_IN rule 1 action accept
set traffic policy POLICY_OUT

Step 2: Set the following configuration in DUT1 :

set interfaces ethernet eth0 vif 100 address 10.0.0.2/24
set system login user admin authentication encrypted-password '$6$GSjsCj8gHLv$/VcqU6FLi6CT2Oxn0MJQ2C2tqnRDrYKNF8HIYWJp68nvXvPdFccDsT04.WtigUONbKYrgKg8d6rEs8PjljMkH0'

Step 3: Ping IP address 10.0.0.1 from DUT1:

admin@DUT1$ ping 10.0.0.1 count 1 size 56 timeout 1
Show output
PING 10.0.0.1 (10.0.0.1) 56(84) bytes of data.
64 bytes from 10.0.0.1: icmp_seq=1 ttl=64 time=0.320 ms

--- 10.0.0.1 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 0.320/0.320/0.320/0.000 ms

Step 4: Modify the following configuration lines in DUT0 :

delete traffic policy POLICY_IN rule 1 action accept
set traffic policy POLICY_IN rule 1 action drop

Step 5: Expect a failure in the following command: Initiate a udp connection from DUT1 to DUT0 and try to send some messages between both endpoints

admin@DUT0$ monitor test connection server 8080 udp
admin@DUT1$ monitor test connection client 10.0.0.1 8080 udp

Step 6: Modify the following configuration lines in DUT0 :

delete traffic policy POLICY_IN rule 1 action drop
set traffic policy POLICY_IN rule 1 action rate-limit 10

Step 7: Initiate a bandwidth test from DUT1 to DUT0

admin@DUT0$ monitor test performance server port 5001
admin@DUT1$ monitor test performance client 10.0.0.1 duration 5 port 5001 parallel 1
Expect this output in DUT1:
Connecting to host 10.0.0.1, port 5001
[  5] local 10.0.0.2 port 39798 connected to 10.0.0.1 port 5001
[ ID] Interval           Transfer     Bitrate         Retr  Cwnd
[  5]   0.00-1.00   sec  3.04 MBytes  25.5 Mbits/sec  206   7.07 KBytes
[  5]   1.00-2.00   sec  1.12 MBytes  9.38 Mbits/sec  139   7.07 KBytes
[  5]   2.00-3.00   sec  1.12 MBytes  9.38 Mbits/sec  119   12.7 KBytes
[  5]   3.00-4.00   sec  1.12 MBytes  9.38 Mbits/sec  117   2.83 KBytes
[  5]   4.00-5.00   sec  1.49 MBytes  12.5 Mbits/sec  134   5.66 KBytes
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval           Transfer     Bitrate         Retr
[  5]   0.00-5.00   sec  7.89 MBytes  13.2 Mbits/sec  715             sender
[  5]   0.00-5.00   sec  7.03 MBytes  11.8 Mbits/sec                  receiver

iperf Done.

Note

Previous test should show a very low bandwidth rate.


Test Policy Copy

Description

In this scenario, an ingress traffic policy is configured in DUT0 (‘eth0’ interface). Different copy actions are configured to store the ToS value in the conntrack mark and extra conntrack mark fields.

Scenario

Step 1: Set the following configuration in DUT0 :

set interfaces ethernet eth0 vif 100 address 10.0.0.1/24
set interfaces ethernet eth0 vif 100 traffic policy in POLICY_IN
set interfaces ethernet eth0 vif 100 traffic policy out POLICY_OUT
set system login user admin authentication encrypted-password '$6$GSjsCj8gHLv$/VcqU6FLi6CT2Oxn0MJQ2C2tqnRDrYKNF8HIYWJp68nvXvPdFccDsT04.WtigUONbKYrgKg8d6rEs8PjljMkH0'
set traffic policy POLICY_IN rule 1 copy tos connmark
set traffic policy POLICY_OUT

Step 2: Set the following configuration in DUT1 :

set interfaces ethernet eth0 vif 100 address 10.0.0.2/24
set system login user admin authentication encrypted-password '$6$GSjsCj8gHLv$/VcqU6FLi6CT2Oxn0MJQ2C2tqnRDrYKNF8HIYWJp68nvXvPdFccDsT04.WtigUONbKYrgKg8d6rEs8PjljMkH0'

Step 3: Ping IP address 10.0.0.1 from DUT1:

admin@DUT1$ ping 10.0.0.1 tos 12 count 5 size 56 timeout 1
Show output
PING 10.0.0.1 (10.0.0.1) 56(84) bytes of data.
64 bytes from 10.0.0.1: icmp_seq=1 ttl=64 time=0.277 ms
64 bytes from 10.0.0.1: icmp_seq=2 ttl=64 time=0.187 ms
64 bytes from 10.0.0.1: icmp_seq=3 ttl=64 time=0.434 ms
64 bytes from 10.0.0.1: icmp_seq=4 ttl=64 time=0.359 ms
64 bytes from 10.0.0.1: icmp_seq=5 ttl=64 time=0.356 ms

--- 10.0.0.1 ping statistics ---
5 packets transmitted, 5 received, 0% packet loss, time 4053ms
rtt min/avg/max/mdev = 0.187/0.322/0.434/0.084 ms

Step 4: Run command system conntrack show at DUT0 and check if output contains the following tokens:

mark=12
Show output
icmp     1 29 src=10.0.0.2 dst=10.0.0.1 type=8 code=0 id=449 packets=5 bytes=420 src=10.0.0.1 dst=10.0.0.2 type=0 code=0 id=449 packets=5 bytes=420 mark=12 use=1
conntrack v1.4.7 (conntrack-tools): 1 flow entries have been shown.

Step 5: Modify the following configuration lines in DUT0 :

delete traffic policy POLICY_IN rule 1 copy tos connmark
set traffic policy POLICY_IN rule 1 copy tos extra-connmark 1

Step 6: Ping IP address 10.0.0.1 from DUT1:

admin@DUT1$ ping 10.0.0.1 tos 12 count 5 size 56 timeout 1
Show output
PING 10.0.0.1 (10.0.0.1) 56(84) bytes of data.
64 bytes from 10.0.0.1: icmp_seq=1 ttl=64 time=0.217 ms
64 bytes from 10.0.0.1: icmp_seq=2 ttl=64 time=0.334 ms
64 bytes from 10.0.0.1: icmp_seq=3 ttl=64 time=0.233 ms
64 bytes from 10.0.0.1: icmp_seq=4 ttl=64 time=0.252 ms
64 bytes from 10.0.0.1: icmp_seq=5 ttl=64 time=0.253 ms

--- 10.0.0.1 ping statistics ---
5 packets transmitted, 5 received, 0% packet loss, time 4074ms
rtt min/avg/max/mdev = 0.217/0.257/0.334/0.040 ms

Step 7: Run command system conntrack show at DUT0 and check if output contains the following tokens:

emark1=12
Show output
icmp     1 29 src=10.0.0.2 dst=10.0.0.1 type=8 code=0 id=450 packets=5 bytes=420 src=10.0.0.1 dst=10.0.0.2 type=0 code=0 id=450 packets=5 bytes=420 mark=0 emark1=12 use=1
conntrack v1.4.7 (conntrack-tools): 1 flow entries have been shown.

Test Policy Set

Description

In this scenario, an egress traffic policy is configured in DUT0 (‘eth0’ interface) to mark outgoing packets using ToS and CoS fields.

Scenario

Step 1: Set the following configuration in DUT0 :

set interfaces ethernet eth0 vif 100 address 10.0.0.1/24
set interfaces ethernet eth0 vif 100 traffic policy in POLICY_IN
set interfaces ethernet eth0 vif 100 traffic policy out POLICY_OUT
set system login user admin authentication encrypted-password '$6$GSjsCj8gHLv$/VcqU6FLi6CT2Oxn0MJQ2C2tqnRDrYKNF8HIYWJp68nvXvPdFccDsT04.WtigUONbKYrgKg8d6rEs8PjljMkH0'
set traffic policy POLICY_IN
set traffic policy POLICY_OUT rule 1 set tos 12

Step 2: Set the following configuration in DUT1 :

set interfaces ethernet eth0 vif 100 address 10.0.0.2/24
set system login user admin authentication encrypted-password '$6$GSjsCj8gHLv$/VcqU6FLi6CT2Oxn0MJQ2C2tqnRDrYKNF8HIYWJp68nvXvPdFccDsT04.WtigUONbKYrgKg8d6rEs8PjljMkH0'

Step 3: Run command traffic dump monitor detail interface eth0 filter "host 10.0.0.2" at DUT1.

Step 4: Ping IP address 10.0.0.2 from DUT0:

admin@DUT0$ ping 10.0.0.2 count 1 size 56 timeout 1
Show output
PING 10.0.0.2 (10.0.0.2) 56(84) bytes of data.
64 bytes from 10.0.0.2: icmp_seq=1 ttl=64 time=0.309 ms

--- 10.0.0.2 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 0.309/0.309/0.309/0.000 ms

Step 5: Modify the following configuration lines in DUT0 :

delete traffic policy POLICY_OUT rule 1 set tos
set traffic policy POLICY_OUT rule 1 set cos 5

Step 6: Run command traffic dump monitor detail interface eth0 filter "host 10.0.0.2" at DUT1.

Step 7: Ping IP address 10.0.0.2 from DUT0:

admin@DUT0$ ping 10.0.0.2 count 1 size 56 timeout 1
Show output
PING 10.0.0.2 (10.0.0.2) 56(84) bytes of data.
64 bytes from 10.0.0.2: icmp_seq=1 ttl=64 time=0.235 ms

--- 10.0.0.2 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 0.235/0.235/0.235/0.000 ms

Test Policy Set Conntrack Values

Description

In this scenario, an ingress traffic policy is configured in DUT0 (‘eth0’ interface). Different set actions are configured to change the conntrack mark, the app-id and the VRF.

Scenario

Step 1: Set the following configuration in DUT0 :

set interfaces ethernet eth0 vif 100 address 10.0.0.1/24
set interfaces ethernet eth0 vif 100 traffic policy in POLICY_IN
set interfaces ethernet eth0 vif 100 traffic policy out POLICY_OUT
set system login user admin authentication encrypted-password '$6$GSjsCj8gHLv$/VcqU6FLi6CT2Oxn0MJQ2C2tqnRDrYKNF8HIYWJp68nvXvPdFccDsT04.WtigUONbKYrgKg8d6rEs8PjljMkH0'
set traffic policy POLICY_IN rule 1 set connmark 15
set traffic policy POLICY_OUT

Step 2: Set the following configuration in DUT1 :

set interfaces ethernet eth0 vif 100 address 10.0.0.2/24
set system login user admin authentication encrypted-password '$6$GSjsCj8gHLv$/VcqU6FLi6CT2Oxn0MJQ2C2tqnRDrYKNF8HIYWJp68nvXvPdFccDsT04.WtigUONbKYrgKg8d6rEs8PjljMkH0'

Step 3: Ping IP address 10.0.0.1 from DUT1:

admin@DUT1$ ping 10.0.0.1 count 5 size 56 timeout 1
Show output
PING 10.0.0.1 (10.0.0.1) 56(84) bytes of data.
64 bytes from 10.0.0.1: icmp_seq=1 ttl=64 time=0.307 ms
64 bytes from 10.0.0.1: icmp_seq=2 ttl=64 time=0.223 ms
64 bytes from 10.0.0.1: icmp_seq=3 ttl=64 time=0.210 ms
64 bytes from 10.0.0.1: icmp_seq=4 ttl=64 time=0.240 ms
64 bytes from 10.0.0.1: icmp_seq=5 ttl=64 time=0.254 ms

--- 10.0.0.1 ping statistics ---
5 packets transmitted, 5 received, 0% packet loss, time 4077ms
rtt min/avg/max/mdev = 0.210/0.246/0.307/0.033 ms

Step 4: Run command system conntrack show at DUT0 and check if output contains the following tokens:

mark=15
Show output
icmp     1 29 src=10.0.0.2 dst=10.0.0.1 type=8 code=0 id=451 packets=5 bytes=420 src=10.0.0.1 dst=10.0.0.2 type=0 code=0 id=451 packets=5 bytes=420 mark=15 use=1
conntrack v1.4.7 (conntrack-tools): 1 flow entries have been shown.

Step 5: Modify the following configuration lines in DUT0 :

delete traffic policy POLICY_IN rule 1 set connmark
set traffic policy POLICY_IN rule 1 set app-id custom 80

Step 6: Ping IP address 10.0.0.1 from DUT1:

admin@DUT1$ ping 10.0.0.1 count 5 size 56 timeout 1
Show output
PING 10.0.0.1 (10.0.0.1) 56(84) bytes of data.
64 bytes from 10.0.0.1: icmp_seq=1 ttl=64 time=0.220 ms
64 bytes from 10.0.0.1: icmp_seq=2 ttl=64 time=0.249 ms
64 bytes from 10.0.0.1: icmp_seq=3 ttl=64 time=0.268 ms
64 bytes from 10.0.0.1: icmp_seq=4 ttl=64 time=0.247 ms
64 bytes from 10.0.0.1: icmp_seq=5 ttl=64 time=0.262 ms

--- 10.0.0.1 ping statistics ---
5 packets transmitted, 5 received, 0% packet loss, time 4100ms
rtt min/avg/max/mdev = 0.220/0.249/0.268/0.016 ms

Step 7: Run command system conntrack show at DUT0 and check if output contains the following tokens:

appdetect[U:80]
Show output
icmp     1 29 src=10.0.0.2 dst=10.0.0.1 type=8 code=0 id=452 packets=5 bytes=420 src=10.0.0.1 dst=10.0.0.2 type=0 code=0 id=452 packets=5 bytes=420 mark=0 use=1 appdetect[U:80]
conntrack v1.4.7 (conntrack-tools): 1 flow entries have been shown.

Step 8: Modify the following configuration lines in DUT0 :

delete traffic policy POLICY_IN rule 1 set app-id
set interfaces ethernet eth0 vif 100 vrf RED
set system vrf RED
set traffic policy POLICY_IN rule 1 set vrf RED

Step 9: Ping IP address 10.0.0.1 from DUT1:

admin@DUT1$ ping 10.0.0.1 count 5 size 56 timeout 1
Show output
PING 10.0.0.1 (10.0.0.1) 56(84) bytes of data.
64 bytes from 10.0.0.1: icmp_seq=1 ttl=64 time=0.340 ms
64 bytes from 10.0.0.1: icmp_seq=2 ttl=64 time=0.236 ms
64 bytes from 10.0.0.1: icmp_seq=3 ttl=64 time=0.238 ms
64 bytes from 10.0.0.1: icmp_seq=4 ttl=64 time=0.259 ms
64 bytes from 10.0.0.1: icmp_seq=5 ttl=64 time=0.268 ms

--- 10.0.0.1 ping statistics ---
5 packets transmitted, 5 received, 0% packet loss, time 4095ms
rtt min/avg/max/mdev = 0.236/0.268/0.340/0.037 ms

Step 10: Run command system conntrack show at DUT0 and check if output contains the following tokens:

vrf=RED
Show output
icmp     1 29 src=10.0.0.2 dst=10.0.0.1 type=8 code=0 id=453 vrf=RED packets=5 bytes=420 src=10.0.0.1 dst=10.0.0.2 type=0 code=0 id=453 vrf=RED packets=5 bytes=420 mark=0 use=1
conntrack v1.4.7 (conntrack-tools): 1 flow entries have been shown.

Test Policy Log

Description

In this scenario, an ingress traffic policy is configured in DUT0 (‘eth0’ interface). The log option is configured to show system messages that help debug and analyze the network status. Additionally, an invalid log prefix is included to illustrate the maximum length allowed.

Scenario

Step 1: Set the following configuration in DUT0 :

set interfaces ethernet eth0 vif 100 address 10.0.0.1/24
set interfaces ethernet eth0 vif 100 traffic policy in POLICY_IN
set interfaces ethernet eth0 vif 100 traffic policy out POLICY_OUT
set system login user admin authentication encrypted-password '$6$GSjsCj8gHLv$/VcqU6FLi6CT2Oxn0MJQ2C2tqnRDrYKNF8HIYWJp68nvXvPdFccDsT04.WtigUONbKYrgKg8d6rEs8PjljMkH0'
set traffic policy POLICY_IN rule 1 log level err
set traffic policy POLICY_IN rule 1 log prefix Lorem-ipsum-dolor-sit-amet-consectetur-adipiscing-elit-quisque-lorem-ipsum-dolor-sit-ame-vit
set traffic policy POLICY_OUT

Step 2: Set the following configuration in DUT1 :

set interfaces ethernet eth0 vif 100 address 10.0.0.2/24
set system login user admin authentication encrypted-password '$6$GSjsCj8gHLv$/VcqU6FLi6CT2Oxn0MJQ2C2tqnRDrYKNF8HIYWJp68nvXvPdFccDsT04.WtigUONbKYrgKg8d6rEs8PjljMkH0'

Step 3: Ping IP address 10.0.0.1 from DUT1:

admin@DUT1$ ping 10.0.0.1 count 1 size 56 timeout 1
Show output
PING 10.0.0.1 (10.0.0.1) 56(84) bytes of data.
64 bytes from 10.0.0.1: icmp_seq=1 ttl=64 time=0.323 ms

--- 10.0.0.1 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 0.323/0.323/0.323/0.000 ms

Step 4: Run command system journal show | tail at DUT0 and check if output contains the following tokens:

[Lorem-ipsum-dolor-sit-amet-consectetur-adipiscing-elit-quisque-lorem-ipsum-dolor-sit-ame-vit-1] ACCEPT IN=eth0
Show output
Oct 20 15:48:45.355696 osdx OSDxCLI[223371]: User 'admin' added a new cfg line: 'set traffic policy POLICY_IN rule 1 log level err'.
Oct 20 15:48:45.461994 osdx OSDxCLI[223371]: User 'admin' added a new cfg line: 'show working'.
Oct 20 15:48:45.526063 osdx ubnt-cfgd[312478]: inactive
Oct 20 15:48:45.556293 osdx INFO[312496]: FRR daemons did not change
Oct 20 15:48:45.578528 osdx kernel: 8021q: adding VLAN 0 to HW filter on device eth0
Oct 20 15:48:45.596887 osdx (udev-worker)[312545]: Network interface NamePolicy= disabled on kernel command line.
Oct 20 15:48:45.753442 osdx cfgd[1655]: [223371]Completed change to active configuration
Oct 20 15:48:45.764269 osdx OSDxCLI[223371]: User 'admin' committed the configuration.
Oct 20 15:48:45.781995 osdx OSDxCLI[223371]: User 'admin' left the configuration menu.
Oct 20 15:48:46.475508 osdx kernel: [Lorem-ipsum-dolor-sit-amet-consectetur-adipiscing-elit-quisque-lorem-ipsum-dolor-sit-ame-vit-1] ACCEPT IN=eth0.100 OUT= MAC=de:ad:be:ef:6c:00:de:ad:be:ef:6c:10:08:00:45:00:00:54 SRC=10.0.0.2 DST=10.0.0.1 LEN=84 TOS=0x00 PREC=0x00 TTL=64 ID=33483 DF PROTO=ICMP TYPE=8 CODE=0 ID=454 SEQ=1

Step 5: Run command configure at DUT0 and expect this output: Step 6: Run command set traffic policy INVALID_LOG_PREFIX rule 1 log prefix Lorem-ipsum-dolor-sit-amet-consectetur-adipiscing-elit-quisque-lorem-ipsum-dolor-sit-amet-vita at DUT0 and check if output contains the following tokens:

Log prefix must be 92 characters or less and must contain printable characters except those defined as part of the space character class
Show output
Log prefix must be 92 characters or less and must contain printable characters except those defined as part of the space character class
Value validation failed
CLI Error: Command error

Test Policy Advisor

Description

In this scenario, an ingress traffic policy is configured in DUT0 (‘eth0’ interface). The advisor option is configured to enable/disable the rule depending on the advisor status. If the rule is enabled, incoming traffic will be dropped.

Scenario

Step 1: Set the following configuration in DUT0 :

set interfaces ethernet eth0 vif 100 address 10.0.0.1/24
set interfaces ethernet eth0 vif 100 traffic policy in POLICY_IN
set interfaces ethernet eth0 vif 100 traffic policy out POLICY_OUT
set system advisor ADV test false
set system login user admin authentication encrypted-password '$6$GSjsCj8gHLv$/VcqU6FLi6CT2Oxn0MJQ2C2tqnRDrYKNF8HIYWJp68nvXvPdFccDsT04.WtigUONbKYrgKg8d6rEs8PjljMkH0'
set traffic policy POLICY_IN rule 1 action drop
set traffic policy POLICY_IN rule 1 advisor ADV
set traffic policy POLICY_OUT

Step 2: Set the following configuration in DUT1 :

set interfaces ethernet eth0 vif 100 address 10.0.0.2/24
set system login user admin authentication encrypted-password '$6$GSjsCj8gHLv$/VcqU6FLi6CT2Oxn0MJQ2C2tqnRDrYKNF8HIYWJp68nvXvPdFccDsT04.WtigUONbKYrgKg8d6rEs8PjljMkH0'

Step 3: Ping IP address 10.0.0.1 from DUT1:

admin@DUT1$ ping 10.0.0.1 count 1 size 56 timeout 1
Show output
PING 10.0.0.1 (10.0.0.1) 56(84) bytes of data.
64 bytes from 10.0.0.1: icmp_seq=1 ttl=64 time=0.353 ms

--- 10.0.0.1 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 0.353/0.353/0.353/0.000 ms

Step 4: Modify the following configuration lines in DUT0 :

set system advisor ADV test true

Step 5: Expect a failure in the following command: Ping IP address 10.0.0.1 from DUT1:

admin@DUT1$ ping 10.0.0.1 count 1 size 56 timeout 1
Show output
PING 10.0.0.1 (10.0.0.1) 56(84) bytes of data.

--- 10.0.0.1 ping statistics ---
1 packets transmitted, 0 received, 100% packet loss, time 0ms

Step 6: Modify the following configuration lines in DUT0 :

set system advisor ADV test false

Step 7: Ping IP address 10.0.0.1 from DUT1:

admin@DUT1$ ping 10.0.0.1 count 1 size 56 timeout 1
Show output
PING 10.0.0.1 (10.0.0.1) 56(84) bytes of data.
64 bytes from 10.0.0.1: icmp_seq=1 ttl=64 time=0.247 ms

--- 10.0.0.1 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 0.247/0.247/0.247/0.000 ms