8883259673
#### Why I did it Following the PR https://github.com/sonic-net/sonic-swss-common/pull/739 increasing netlink buffer size in linux kernel As error is seen in fdbsyncd with netlink reports "out of memory on reading a netlink socket" It is seen when kernel is sending 10k remote mac to fdbsyncd. #### How I did it Increase the buffer size of the netlink buffer from 3MB to 16MB #### How to verify it Verified with 10k remote mac, and restarting the fdbsyncd process. So that kernel send the bridge fdb dump to the fdbsyncd. Verified that the netlink buffer error is not reported in the sys log.
41 lines
1.4 KiB
Plaintext
41 lines
1.4 KiB
Plaintext
# All the sysctl for ipv4/ipv6 network.
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# Same will be used in host or docker namespace
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# It should be provided as key=value format for parsing
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net.ipv6.conf.all.disable_ipv6=0
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net.ipv4.conf.default.forwarding=1
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net.ipv4.conf.all.forwarding=1
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net.ipv4.conf.eth0.forwarding=0
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net.ipv4.conf.default.arp_accept=0
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net.ipv4.conf.default.arp_announce=0
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net.ipv4.conf.default.arp_filter=0
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net.ipv4.conf.default.arp_notify=0
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net.ipv4.conf.default.arp_ignore=0
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net.ipv4.conf.all.arp_accept=0
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net.ipv4.conf.all.arp_announce=1
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net.ipv4.conf.all.arp_filter=0
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net.ipv4.conf.all.arp_notify=1
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net.ipv4.conf.all.arp_ignore=2
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net.ipv4.neigh.default.base_reachable_time_ms=1800000
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net.ipv6.neigh.default.base_reachable_time_ms=1800000
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net.ipv4.neigh.default.gc_thresh1=1024
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net.ipv6.neigh.default.gc_thresh1=1024
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net.ipv4.neigh.default.gc_thresh2=2048
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net.ipv6.neigh.default.gc_thresh2=2048
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net.ipv4.neigh.default.gc_thresh3=4096
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net.ipv6.neigh.default.gc_thresh3=4096
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net.ipv6.conf.default.forwarding=1
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net.ipv6.conf.all.forwarding=1
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net.ipv6.conf.eth0.forwarding=0
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net.ipv6.conf.default.accept_dad=0
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net.ipv6.conf.all.accept_dad=0
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net.ipv6.conf.eth0.accept_dad=0
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net.ipv6.conf.default.keep_addr_on_down=1
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net.ipv6.conf.all.keep_addr_on_down=1
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net.ipv6.conf.eth0.keep_addr_on_down=1
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net.ipv4.tcp_l3mdev_accept=1
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net.ipv4.udp_l3mdev_accept=1
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net.core.rmem_max=16777216
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net.core.wmem_max=16777216
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net.core.somaxconn=512
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net.ipv4.fib_multipath_use_neigh=1
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