home

Supported platforms

Vyatta NOS documentation

Learn how to install, configure, and operate Vyatta Network Operating System (Vyatta NOS), which helps to drive our virtual networking and physical platforms portfolio.

policy route pbr <name> rule <rule-number> tcp flags <tcp-flag>

Defines the types of TCP flags to be matched for a routing policy rule.

set policy route pbr name rule rule-number tcp flags flags
delete policy route pbr name rule rule-number tcp flags [ flags ]
show policy route pbr name rule rule-number tcp flags
name
The name of an IP routing policy.
rule-number
The numeric identifier of the rule. Rule numbers determine the order in which rules are executed. Each rule must have a unique rule number. The numbers range from 1 through 9999.

You can define multiple rules by creating more than one rule configuration node.

tcp-flags
The flags to be matched in a packet. The flags are any of SYN, ACK, FIN, RST, URG, and PSH. You can specify more than one flag in a list separated by commas.

Prefixing a flag name with the negation operator matches packets with that flag unset. You can also use ! to match packets by not using a given TCP flag. For example, the list SYN, !ACK, !FIN, !RST matches only packets with the SYN flag set and the ACK, FIN, and RST flags unset.

Configuration mode


policy {
    route {
        pbr name {
              rule rule-number {
                    tcp {
                       flags tcp-flags
                    }
                }
            }
        }
    }

You must specify the address-family, action, and table leaf nodes to configure a routing policy. It is recommended to use the delete policy route pbr name rule number command to delete a routing policy.

Use the set form of this command to define the types of TCP flags to be matched for a routing policy rule.

Use the delete form of this command to remove the types of TCP flags to be matched for a routing policy rule.

Use the show form of this command to view the types of TCP flags to be matched for a routing policy rule.