ECMP and Load balancing in the SRX300
ECMP and LAG based on L3 information
https://kb.juniper.net/InfoCenter/index?page=content&id=KB33884
hashing Layer-3 or Layer-4
root@SRX300-1-RL102# set forwarding-options hash-key family inet ? Possible completions: + apply-groups Groups from which to inherit configuration data + apply-groups-except Don't inherit configuration data from these groups > layer-3 Include Layer 3 (IP) data in the hash key > layer-4 Include Layer 4 (TCP or UDP) data in the hash key [edit] root@SRX300-1-RL102#
Other Load balancing type: like policy based
https://forums.juniper.net/t5/SRX-Services-Gateway/How-to-load-balance-on-SRX/td-p/314149
policy-options
root@SRX300-1-RL102# set policy-options policy-statement LOAD_BALANCE then load-balance ? Possible completions: consistent-hash Give a prefix consistent load-balancing per-packet Load balance on a per-packet basis [edit] consistent-hash : per flow Apply consistent load balancing to the routing policy so that only traffic flows to one or more destination prefixes that experience a link failure are redirected to an active link.