PBR
The nv unset commands remove the configuration you set with the equivalent nv set commands. This guide only describes an nv unset command if it differs from the nv set command.
nv set interface <interface-id> router pbr
Configures PBR on the specified interface.
Command Syntax
| Syntax | Description |
|---|---|
<interface-id> |
The interface you want to configure. |
Version History
Introduced in Cumulus Linux 5.0.0
Example
cumulus@switch:~$ nv set interface swp51 router pbr
nv set interface <interface-id> router pbr map <pbr-map-id>
Applies a PBR policy on the specified interface.
Command Syntax
| Syntax | Description |
|---|---|
<interface-id> |
The interface you want to configure. |
Version History
Introduced in Cumulus Linux 5.1.0
Example
cumulus@switch:~$ nv set interface swp51 router pbr map MAP1
nv set router pbr enable
Enables or disables Policy-based Routing (PBR). The default setting is off.
Version History
Introduced in Cumulus Linux 5.0.0
Example
cumulus@switch:~$ nv set router pbr enable on
nv set router pbr map <pbr-map-id>
Configures the name of the PBR route map.
Command Syntax
| Syntax | Description |
|---|---|
<pbr-map-id> |
The PBR route map name. |
Version History
Introduced in Cumulus Linux 5.0.0
Example
cumulus@switch:~$ nv set router pbr map map1
nv set router pbr map <pbr-map-id> rule <rule-id>
Configures the PBR route map rule number.
Command Syntax
| Syntax | Description |
|---|---|
<pbr-map-id> |
The PBR route map name. |
<rule-id> |
The PBR rule number. |
Version History
Introduced in Cumulus Linux 5.0.0
Example
cumulus@switch:~$ nv set router pbr map map1 rule 10
nv set router pbr map <pbr-map-id> rule <rule-id> action
Sets the action you want the PBR map rule to take, such as apply a next hop group or a VRF to a policy.
Command Syntax
| Syntax | Description |
|---|---|
<pbr-map-id> |
The PBR route map name. |
<rule-id |
The PBR rule number. |
Version History
Introduced in Cumulus Linux 5.0.0
Example
cumulus@switch:~$ nv set router pbr map map1 rule 10 action vrf RED
nv set router pbr map <pbr-map-id> rule <rule-id> action nexthop-group <nexthop-group-id>
Configures the next hop group you want to apply to the policy map.
Command Syntax
| Syntax | Description |
|---|---|
<pbr-map-id> |
The PBR route map name. |
<rule-id> |
The PBR rule number. |
<nexthop-group-id> |
The nexthop group name. |
Version History
Introduced in Cumulus Linux 5.1.0
Example
cumulus@switch:~$ nv set router pbr map map1 rule 10 action nexthop-group group1
nv set router pbr map <pbr-map-id> rule <rule-id> action vrf <vrf-name>
Sets the VRF you want to apply to the policy map. If you do not set a VRF, the rule uses the VRF table set for the interface.
Command Syntax
| Syntax | Description |
|---|---|
<pbr-map-id> |
The PBR route map name. |
<rule-id> |
The PBR rule number. |
<vrf-name> |
The VRF you want to apply to the policy map. |
Version History
Introduced in Cumulus Linux 5.0.0
Example
cumulus@switch:~$ nv set router pbr map map1 rule 10 action vrf RED
nv set router pbr map <pbr-map-id> rule <rule-id> match destination-ip <ip-address-id>
Sets PBR to match packets according to the destination IP prefix.
Command Syntax
| Syntax | Description |
|---|---|
<pbr-map-id> |
The PBR route map name. |
<rule-id> |
The PBR rule number. |
<ip-address-id> |
The destination IPv4 or IPv6 prefix. |
Version History
Introduced in Cumulus Linux 5.0.0
Example
cumulus@switch:~$ nv set router pbr map map1 rule 10 match destination-ip 10.1.2.0/24
nv set router pbr map <pbr-map-id> rule <rule-id> match dscp
Sets PBR to match packets according to the DSCP field in the IP header. The DSCP value can be an integer between 0 and 63 or the DSCP codepoint name.
Command Syntax
| Syntax | Description |
|---|---|
<pbr-map-id> |
The PBR route map name. |
<rule-id> |
The PBR rule number. |
Version History
Introduced in Cumulus Linux 5.0.0
Example
cumulus@switch:~$ nv set router pbr map map1 rule 10 match dscp 10
nv set router pbr map <pbr-map-id> rule <rule-id> match ecn
Sets PBR to match packets according to the ECN field in the IP header. The ECN value can be an integer between 0 and 3.
Command Syntax
| Syntax | Description |
|---|---|
<pbr-map-id> |
The PBR route map name. |
<rule-id> |
The PBR rule number. |
Version History
Introduced in Cumulus Linux 5.0.0
Example
cumulus@switch:~$ nv set router pbr map map1 rule 10 match ecn 3
nv set router pbr map <pbr-map-id> rule <rule-id> match source-ip <ipv4-prefix>|<ipv6-prefix>
Sets PBR to match packets according to the source IP prefix.
Command Syntax
| Syntax | Description |
|---|---|
<pbr-map-id> |
The PBR route map name. |
<rule-id> |
The PBR rule number. |
<ipv4-prefix> or <ipv6-prefix> |
The source IPv4 or IPv6 prefix. |
Version History
Introduced in Cumulus Linux 5.0.0
Example
cumulus@switch:~$ nv set router pbr map map1 rule 10 match source-ip 10.1.4.1/24
nv set system global reserved routing-table pbr begin
Configures the starting reserved routing table range for PBR. You can specify a value between 10000 and 4294966272.
Version History
Introduced in Cumulus Linux 5.0.0
Example
cumulus@switch:~$ nv set system global reserved routing-table pbr begin 140000
nv set system global reserved routing-table pbr end
Configures the end of the reserved routing table range for PBR. You can specify a value between 10000 and 4294966272.
Version History
Introduced in Cumulus Linux 5.0.0
Example
cumulus@switch:~$ nv set system global reserved routing-table pbr end 150000