ECMP Settings
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End-of-Life (EoL)
ECMP Settings
- Network > Virtual Routers > Router Settings > ECMP
Use the following fields to configure Equal-Cost Multiple Path
settings.
ECMP Settings | Description |
---|---|
Enable | Enable ECMP. Enabling,
disabling, or changing ECMP on an existing virtual router causes
the system to restart the virtual router, which might cause existing
sessions to be terminated. |
Symmetric Return | (Optional) Select Symmetric Return to
cause return packets to egress out the same interface on which the
associated ingress packets arrived. That is, the firewall will use
the ingress interface on which to send return packets, rather than
use the ECMP interface, so the Symmetric Return setting
overrides load balancing. This behavior occurs only for traffic
flows from the server to the client. |
Max Path | Select the maximum number of equal-cost
paths: (2, 3, or 4) to a destination network that can be copied
from the RIB to the FIB. Default is 2. |
Method | Choose one of the following ECMP load-balancing algorithms to
use on the virtual router. ECMP load balancing is done at the session
level, not at the packet level. This means that the firewall (ECMP)
chooses an equal-cost path at the start of a new session, not each
time a packet is received.
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