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Examples: Configuring PIC-Level Symmetrical Hashing for Load Balancing on 802.3ad LAGs on MX Series Routers

The following examples show how to configure symmetrical hashing at the PIC level for load balancing on MX Series routers:

Configuring Symmetrical Hashing for family multiservice on Both Routers

On the inbound traffic interface where traffic enters Router A, include the symmetric-hash statement at the [edit chassis fpc slot-number pic pic-number hash-key family multiservice] hierarchy level:

[edit chassis fpc 2 pic 2 hash-key]family multiservice {source-mac;destination-mac;payload {ip {layer-3;layer-4;}}symmetric-hash;}

On the inbound traffic interface where traffic enters Router B, include the symmetric-hash complement statement at the [edit chassis fpc slot-number pic pic-number hash-key family multiservice] hierarchy level:

[edit chassis fpc 0 pic 3 hash-key]family multiservice {source-mac;destination-mac;payload {ip {layer-3;layer-4;}}symmetric-hash {complement;}}

Configuring Symmetrical Hashing for family inet on Both Routers

On the inbound traffic interface where traffic enters Router A, include the symmetric-hash statement at the [edit chassis fpc slot-number pic pic-number hash-key family inet] hierarchy level:

[edit chassis fpc 0 pic 1 hash-key]family inet {layer-3; layer-4;symmetric-hash;}

On the inbound traffic interface where traffic enters Router B, include the symmetric-hash complement statement at the [edit chassis fpc slot-number pic pic-number hash-key family inet] hierarchy level:

[edit chassis fpc 1 pic 2 hash-key]family inet {layer-3;layer-4;symmetric-hash {complement;}}

Configuring Symmetrical Hashing for family inet and family multiservice on the Two Routers

On the inbound traffic interface where traffic enters Router A, include the symmetric-hash statement at the [edit chassis fpc slot-number pic pic-number hash-key family multiservice] hierarchy level:

[edit chassis fpc 1 pic 0 hash-key]family multiservice {payload {ip {layer-3;layer-4;}}symmetric-hash;}

On the inbound traffic interface where traffic enters Router B, include the symmetric-hash complement statement at the [edit chassis fpc slot-number pic pic-number hash-key family inet] hierarchy level:

[edit chassis fpc 0 pic 3 hash-key]family inet {layer-3;layer-4;symmetric-hash {complement;}}

Published: 2010-04-26

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