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Cisco ASR 901 Aggregation Services Router Command Reference Guide
OL-26031-07
Chapter 1 CLI Command Reference
asr901-ecmp-hash-config global-type
asr901-ecmp-hash-config global-type
To specify the equal-cost multi-path routing (ECMP) hashing algorithm at the global level, use the
asr901-ecmp-hash-config global-type
command in global configuration mode. To remove this
configuration, use the
no
form of this command.
asr901-ecmp-hash-config global-type
{
hash-crc16-mode
|
hash-seed
seed-value
|
hash-xor1-mode
|
hash-xor2-mode
|
hash-xor4-mode
|
hash-xor8-mode
|
tunnel-mode
}
add
no asr901-ecmp-hash-config global-type
{
hash-crc16-mode
|
hash-seed
seed-value
|
hash-xor1-mode
|
hash-xor2-mode
|
hash-xor4-mode
|
hash-xor8-mode
|
tunnel-mode
}
add
Syntax Description
Command Default
The hash-crc16-mode algorithm is enabled by default.
Command Modes
Global configuration (config)#
Command History
Usage Guidelines
This command is used to configure the ECMP hash configurations for improved load distribution of IP
traffic. The
hash-crc16-mode algorithm
is enabled by default for ECMP.
Examples
The following example shows how to configure the ECMP hash configuration on a Cisco ASR 901
router:
Router#
configure terminal
Router(config)#
asr901-ecmp-hash-config global-type hash-xor1-mode
Router(config)#
asr901-ecmp-hash-config global-type hash-xor1-mode add
hash-crc16-mode
Enables hash CRC-16 modes.
hash-seed
Enables hash seed value for hash computation.
seed-value
Hash seed value.
hash-xor1-mode
Enables hash XOR1 mode.
hash-xor2-mode
Enables hash XOR2 mode.
hash-xor4-mode
Enables hash XOR4 mode.
hash-xor8-mode
Enables hash XOR8 mode.
tunnel-mode
Enables tunnel mode to look into the inner header for tunneled packets.
add
Adds hash mode.
Release
Modification
15.3(2)S
This command was introduced on the Cisco ASR 901 Series Aggregation
Services Routers.