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Configuring Policy-Based Routes

August 1, 2023

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Policy-based routing bases routing decisions on criteria that you specify. A policy-based route (PBR) specifies criteria for selecting packets and, typically, a next hop to which to send the selected packets. For example, you can configure the NetScaler appliance to route outgoing packets from a specific IP address or range to a particular next hop router. Each packet is matched against each configured PBR, in the order determined by the specified priorities, until a match is found. If no match is found, or if the matching PBR specifies a DENY action, the NetScaler applies the routing table for normal destination-based routing.

A PBR bases routing decisions for the data packets on parameters such as source IP address, source port, destination IP address, destination port, protocol, and source MAC address. A PBR defines the conditions that a packet must satisfy for the NetScaler to route the packet. These actions are known as “processing modes.” The processing modes are:

ALLOW. The appliance sends the packet to the designated next-hop router.
DENY. The NetScaler applies the routing table for normal destination-based routing.

You can create PBRs for outgoing IPv4 and IPv6 traffic.

Many users begin by creating PBRs and then modifying them. To activate a new PBR, you must apply it. To deactivate a PBR, you can either remove or disable it. You can change the priority number of a PBR to give it a higher or lower precedence.

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Configuring Policy-Based Routes

August 1, 2023

Contributed by:

August 1, 2023

Contributed by:

Configuring Policy-Based Routes

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