Interface Configuration
7750 SR OS Interface Configuration Guide Page 111
Interaction with Layer 4 Load-Balancing Feature
The 7x50 supports the inclusion of the L4 header in the hash routing for a VLL/VPLS SAP and for
an IES/VPRN interface. The user enables this at the system level using the following command:
configure>system>l4-load-balancing
When this option is enabled, and the LSR hashing is set to lbl-ip or ip-only, the 7x50 LSR hash
routine will also include the Layer 4 header in addition to the IP header in the LSR hash routine.
The user can include or exclude Layer 4 header on a specific network interface by applying the
following command:
config>router>interface>lsr-load-balancing [include-ip [l4-hdr] | exclude-ip]
This is supported on all existing and future CFM/CPM. It is supported with IPv4 payload on IOM-
3/IMM in SR-7/SR-12 with all chassis modes. It is not supported on the SR1 platform. Support of
IPv6 on IOM-3/IMM and support of IOM-1 and IOM-2. It is supported with IPv4 payload on
IOM-3 in ESS-6, ESS-7, and ESS-12 with all chassis modes. It is not supported on the ESS-1
platform. Support of IPv6 on IOM-3 and support of IOM-1 for IPv4 payload only. This feature is
also supported on 7750 SR-c12 for IPv4/IPv6 payload. This feature is supported on all MDA ports
which can be configured in network port mode.
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