Vrf-Mark

The following scenario shows how to filter packets based on the VRF attribute using traffic selectors.

../../../../../_images/topology10.svg

Test Drop Outgoing ICMP Traffic

Description

This scenario demonstrates how to use the special filter vrf-mark to drop outgoing ICMP packets that were not generated from the local VRF.

Scenario

Step 1: Set the following configuration in DUT1:

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

Step 2: Set the following configuration in DUT0:

set interfaces ethernet eth0 address 10.0.0.1/24
set interfaces ethernet eth0 traffic policy local-out ISOLATE
set interfaces ethernet eth0 traffic policy out DROP_MAINVRF
set protocols vrf LOCALVRF static route 0.0.0.0/0 interface eth0
set system login user admin authentication encrypted-password '$6$GSjsCj8gHLv$/VcqU6FLi6CT2Oxn0MJQ2C2tqnRDrYKNF8HIYWJp68nvXvPdFccDsT04.WtigUONbKYrgKg8d6rEs8PjljMkH0'
set system vrf LOCALVRF
set traffic policy DROP_MAINVRF rule 1 action drop
set traffic policy DROP_MAINVRF rule 1 log prefix DROP
set traffic policy DROP_MAINVRF rule 1 selector SEL_MAINVRF
set traffic policy DROP_MAINVRF rule 2 action accept
set traffic policy DROP_MAINVRF rule 2 log prefix BYPASS
set traffic policy ISOLATE rule 1 set vrf LOCALVRF
set traffic selector SEL_MAINVRF rule 1 not vrf-mark LOCALVRF
set traffic selector SEL_MAINVRF rule 1 protocol icmp

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=0.505 ms

--- 10.0.0.1 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 0.505/0.505/0.505/0.000 ms