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sonic-buildimage/files/image_config/sysctl/sysctl-net.conf

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[sonic-buildimage] Changes to make network specific sysctl common for both host and docker namespace (#4838) * [sonic-buildimage] Changes to make network specific sysctl common for both host and docker namespace (in multi-npu). This change is triggered with issue found in multi-npu platforms where in docker namespace net.ipv6.conf.all.forwarding was 0 (should be 1) because of which RS/RA message were triggered and link-local router were learnt. Beside this there were some other sysctl.net.ipv6* params whose value in docker namespace is not same as host namespace. So to make we are always in sync in host and docker namespace created common file that list all sysctl.net.* params and used both by host and docker namespace. Any change will get applied to both namespace. Signed-off-by: Abhishek Dosi <abdosi@microsoft.com> * Address Review Comments and made sure to invoke augtool only one and do string concatenation of all set commands * Address Review Comments.
2020-07-01 17:58:53 -05:00
# All the sysctl for ipv4/ipv6 network.
# Same will be used in host or docker namespace
# It should be provided as key=value format for parsing
net.ipv6.conf.all.disable_ipv6=0
net.ipv4.conf.default.forwarding=1
net.ipv4.conf.all.forwarding=1
net.ipv4.conf.eth0.forwarding=0
net.ipv4.conf.default.arp_accept=0
net.ipv4.conf.default.arp_announce=0
net.ipv4.conf.default.arp_filter=0
net.ipv4.conf.default.arp_notify=0
net.ipv4.conf.default.arp_ignore=0
net.ipv4.conf.all.arp_accept=0
net.ipv4.conf.all.arp_announce=1
net.ipv4.conf.all.arp_filter=0
net.ipv4.conf.all.arp_notify=1
net.ipv4.conf.all.arp_ignore=2
net.ipv4.neigh.default.base_reachable_time_ms=1800000
net.ipv6.neigh.default.base_reachable_time_ms=1800000
net.ipv4.neigh.default.gc_thresh1=1024
net.ipv6.neigh.default.gc_thresh1=1024
net.ipv4.neigh.default.gc_thresh2=2048
net.ipv6.neigh.default.gc_thresh2=2048
net.ipv4.neigh.default.gc_thresh3=4096
net.ipv6.neigh.default.gc_thresh3=4096
net.ipv6.conf.default.forwarding=1
net.ipv6.conf.all.forwarding=1
net.ipv6.conf.eth0.forwarding=0
net.ipv6.conf.default.accept_dad=0
net.ipv6.conf.all.accept_dad=0
net.ipv6.conf.eth0.accept_dad=0
net.ipv6.conf.default.keep_addr_on_down=1
net.ipv6.conf.all.keep_addr_on_down=1
net.ipv6.conf.eth0.keep_addr_on_down=1
net.ipv4.tcp_l3mdev_accept=1
net.ipv4.udp_l3mdev_accept=1
Set sock rx Buf size to 3MB. (#5566) * Set sock rx Buf size to 3MB.
2020-10-15 16:40:59 -05:00
net.core.rmem_max=3145728
net.core.wmem_max=3145728
[sonic-buildimage] Changes to make network specific sysctl common for both host and docker namespace (#4838) * [sonic-buildimage] Changes to make network specific sysctl common for both host and docker namespace (in multi-npu). This change is triggered with issue found in multi-npu platforms where in docker namespace net.ipv6.conf.all.forwarding was 0 (should be 1) because of which RS/RA message were triggered and link-local router were learnt. Beside this there were some other sysctl.net.ipv6* params whose value in docker namespace is not same as host namespace. So to make we are always in sync in host and docker namespace created common file that list all sysctl.net.* params and used both by host and docker namespace. Any change will get applied to both namespace. Signed-off-by: Abhishek Dosi <abdosi@microsoft.com> * Address Review Comments and made sure to invoke augtool only one and do string concatenation of all set commands * Address Review Comments.
2020-07-01 17:58:53 -05:00
net.core.somaxconn=512
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