Hashing; Configuring Tagged Aggregated Ethernet Interfaces - Juniper EX2200 Hardware Manual

Network Interfaces for EX4300 Switches
Configuring the Hashing Algorithm to Use Fields in the IPv6 Payload for Hashing
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Documentation

Configuring Tagged Aggregated Ethernet Interfaces

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For instance, if you want the hashing algorithm to ignore the Layer 4 destination port,
Layer 4 source port, and protocol fields and instead hash traffic based only on the
IPv4 source and destination addresses:
[edit forwarding-options enhanced-hash-key]
user@switch# set inet no-l4-destination-port no-l4-source-port no-protocol
To configure the hashing algorithm to use fields in the IPv6 payload for hashing:
Configure the hash mode to Layer 2 payload:
1.
[edit forwarding-options enhanced-hash-key]
user@switch# set hash-mode
The IPv6 payload is not checked by the hashing algorithm unless the hash mode is
set to Layer 2 payload. The default hash mode is Layer 2 payload.
Configure the fields in the IPv6 payload that the hashing algorithm uses for hashing:
2.
[edit forwarding-options enhanced-hash-key]
user@switch# set inet6
no-l4-destination-port | no-l4-source-port | no-next-header | vlan-id}
For instance, if you want the hashing algorithm to ignore the Layer 4 destination port,
Layer 4 source port, and the Next Header fields and instead hash traffic based only
on the IPv6 source and IPv6 destination address fields only:
[edit forwarding-options enhanced-hash-key]
user@switch# set inet6 no-l4-destination-port no-l4-source-port no-next-header
Understanding the Algorithm Used to Hash LAG Bundle and Egress Next-Hop ECMP
Traffic on page 11
Understanding Aggregated Ethernet Interfaces and LACP on page 8
To specify aggregated Ethernet interfaces, include the
[edit interfaces aex] hierarchy level:
[edit interfaces aex]
vlan-tagging;
You must also include the
vlan-id number;
You can include this statement at the following hierarchy levels:
[edit interfaces interface-name unit logical-unit-number]
[edit logical-systems logical-system-name interfaces interface-name unit
logical-unit-number]
For more information about the
Overview" on page 26.
layer2-payload
{no-ipv6-destination-address | no-ipv6-source-address |
statement:
vlan-id
and
vlan-tagging vlan-id
statement at the
vlan-tagging
statements, see "802.1Q VLANs
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