Amigo gracias por tu ayuda, probe cada una de las soluciones y una me funciono y la otra no, ya que estos valores: > net.local.dgram.recvspace: 262144 > net.local.dgram.maxdgram: 16384 Son para centos y no para ubuntu, actualmente mi /etc/sysctl.conf esta configurado de esta manera: fs.file-max = 802868 vm.swappiness=10 kernel.panic = 30 kernel.panic_on_oops = 30 kernel.sysrq = 0 kernel.core_uses_pid = 1 kernel.msgmnb = 65536 kernel.msgmax = 65536 vm.vfs_cache_pressure=50 vm.mmap_min_addr = 4096 vm.overcommit_ratio = 0 vm.overcommit_memory = 0 kernel.shmmax = 268435456 kernel.shmall = 268435456 vm.min_free_kbytes = 65536 net/ipv4/tcp_syncookies = 1 net.ipv4.tcp_syn_retries = 5 net.ipv4.tcp_synack_retries = 2 net.ipv4.tcp_max_syn_backlog = 4096 net/ipv4/conf/all/rp_filter = 1 net/ipv4/ip_forward = 1 net.ipv4.conf.all.accept_redirects = 0 net.ipv4.conf.default.accept_redirects = 0 net.ipv4.conf.all.log_martians = 1 net.ipv4.conf.default.log_martians = 1 net.ipv4.conf.default.rp_filter = 2 net.ipv4.conf.all.rp_filter = 2 net.ipv4.conf.eth0.rp_filter = 1 net.ipv4.tcp_timestamps = 0 # net.ipv4.conf.all.forwarding = 0 net.ipv4.conf.all.accept_redirects = 0 net.ipv4.conf.all.send_redirects = 0 net.ipv4.icmp_ignore_bogus_error_responses = 1 net.ipv4.tcp_fin_timeout = 15 net.ipv4.tcp_keepalive_time = 300 net.ipv4.tcp_keepalive_probes = 5 net.ipv4.tcp_keepalive_intvl = 15 net.ipv4.conf.all.bootp_relay = 0 net.ipv4.conf.all.proxy_arp = 0 net.ipv4.tcp_dsack = 1 net.ipv4.tcp_sack = 1 net.ipv4.tcp_fack = 1 net.ipv4.ip_local_port_range = 1024 65535 net.ipv4.tcp_rfc1337 = 1 net.ipv4.tcp_congestion_control = cubic net.ipv4.tcp_window_scaling = 1 net.ipv4.tcp_mem = 65536 131072 262144 net.ipv4.udp_mem = 65536 131072 262144 net.ipv4.tcp_rmem = 8192 87380 16777216 net.ipv4.udp_rmem_min = 16384 net.core.rmem_default = 87380 net.core.rmem_max = 16777216 net.ipv4.tcp_wmem = 8192 65536 16777216 net.ipv4.udp_wmem_min = 16384 net.core.wmem_default = 65536 net.core.wmem_max = 16777216 net.core.somaxconn = 32768 net.core.netdev_max_backlog = 4096 net.core.dev_weight = 64 net.core.optmem_max = 65536 net.ipv4.tcp_max_tw_buckets = 1440000 net.ipv4.tcp_tw_recycle = 1 net.ipv4.tcp_tw_reuse = 1 net.ipv4.tcp_max_orphans = 16384 net.ipv4.tcp_orphan_retries = 0 net.ipv4.ipfrag_high_thresh = 512000 net.ipv4.ipfrag_low_thresh = 446464 net.ipv4.tcp_no_metrics_save = 1 net.ipv4.tcp_moderate_rcvbuf = 1 net.unix.max_dgram_qlen = 50 net.ipv4.neigh.default.gc_thresh3 = 2048 net.ipv4.neigh.default.gc_thresh2 = 1024 net.ipv4.neigh.default.gc_thresh1 = 32 net.ipv4.neigh.default.gc_interval = 30 net.ipv4.neigh.default.proxy_qlen = 96 net.ipv4.neigh.default.unres_qlen = 6 net.ipv4.tcp_ecn = 1 net.ipv4.tcp_reordering = 3 net.ipv4.tcp_retries2 = 15 net.ipv4.tcp_retries1 = 3 Saludos -- View this message in context: http://squid-web-proxy-cache.1019090.n4.nabble.com/Error-squid3-3-9-con-SMP-tp4662840p4663704.html Sent from the Squid - Users mailing list archive at Nabble.com.