sysctl -w net.bridge.bridge-nf-call-iptables=0 六、故障排查与诊断方法 1、连通性检测矩阵 2、常见问题解决方案 DHCP分配失败:检查dnsmasq进程状态 NAT转发异常:验证iptables的MASQUERADE规则 桥接不通:确认物理网卡已加入网桥组 七、高级网络配置扩展 1、SDN集成方案 OpenvSwitch替换Linux Bridge VXLAN隧道实现跨主机...
net.bridge.bridge-nf-call-ip6tables=0net.bridge.bridge-nf-call-iptables=0net.bridge.bridge-nf-call-arptables=0 8.重新加载kernel参数 代码语言:javascript 代码运行次数:0 运行 AI代码解释 # sysctl-p net.ipv4.ip_forward=0...net.bridge.bridge-nf-call-ip6tables=0net.bridge.bridge-nf-call-iptab...
net.ipv4.tcp_syncookies = 1 error: "net.bridge.bridge-nf-call-ip6tables" is an unknown key error: "net.bridge.bridge-nf-call-iptables" is an unknown key error: "net.bridge.bridge-nf-call-arptables" is an unknown key kernel.msgmnb = 65536 kernel.msgmax = 65536 kernel.shmmax = 6871947...
net.bridge.bridge-nf-call-iptables = 0 net.bridge.bridge-nf-call-arptables = 0 通过sysctl 命令,然后重新加载kernel parameter sysctl –p /etc/sysctl.conf 5、重新启动libvirt service service libvirtd reload 6、验证bridge br0 brctl show output: bridge name bridge id STP enabled interfaces virbr0 ...
net.bridge.bridge-nf-call-ip6tables = 0 net.bridge.bridge-nf-call-iptables = 0 net.bridge.bridge-nf-call-arptables = 0 1. 2. 3. 重新加载kernel参数 # sysctl -p net.ipv4.ip_forward = 0 ... net.bridge.bridge-nf-call-ip6tables = 0 ...
关闭Linux bridge的防火墙 添加下面几个参数到 文件 /etc/sysctl.conf中 net.bridge.bridge-nf-call-ip6tables = 0 net.bridge.bridge-nf-call-iptables = 0 net.bridge.bridge-nf-call-arptables = 0 net.bridge.bridge-nf-filter-pppoe-tagged = 0 ...
net.bridge.bridge-nf-call-iptables = 0 net.bridge.bridge-nf-call-arptables = 0 5、创建磁盘镜像文件 1)创建目录 mkdir /opt/kvmimage -p 2)使用qemu-img命令创建 qemu-img create -f raw /opt/kvmimage/debian7 .raw 10G Formatting '/opt/kvmimage/debian7.raw' , fmt =raw size=107...
+CONFIG_IP_NF_FILTER=m +CONFIG_IP_NF_IPTABLES=m +CONFIG_IP_NF_MANGLE=m +CONFIG_IP_NF_MATCH_AH=m +CONFIG_IP_NF_MATCH_ECN=m +CONFIG_IP_NF_MATCH_RPFILTER=m +CONFIG_IP_NF_MATCH_TTL=m +CONFIG_IP_NF_NAT=m +CONFIG_IP_NF_RAW=m ...
net.bridge.bridge-nf-call-iptables = 0 net.bridge.bridge-nf-call-arptables = 0 重新加载kernel参数 sysctl -p 创建网桥br0 因为创建起来的虚拟机想和宿主机在同一网段中,所以这里我的网络模式选择桥接,接下来需要创建一个网桥设备 [root@centos ~]# cat /etc/sysconfig/network-scripts/ifcfg-br0 ...
net.bridge.bridge-nf-call-iptables = 0 net.bridge.bridge-nf-call-arptables = 0 net.bridge.bridge-nf-filter-vlan-tagged = 0 验证是否生效 ifconfig br0现在扮演eth0的角色。 br0 Link encap:Ethernet HWaddr 00:14:5E:C2:1E:40 inet addr:221.193.136.121 Bcast:221.193.136.255 Mask:255.255.255.0...