服务器与网站吗,河北建设工程信息网可登录中项网,通过骗子网站能找到其服务器吗,商务网站模板下载很多情况下我们都需要用到网卡绑定这中情况#xff0c;例如#xff1a;大数据传输备份、网卡冗余。使用网卡绑定可以提高网络的传输速度#xff0c;并且还能保证网络安全性#xff0c;做到网卡的高可用#xff0c;甚至可以节省IP地址。 网卡绑定模式 mode0#xff1a;轮询… 很多情况下我们都需要用到网卡绑定这中情况例如大数据传输备份、网卡冗余。使用网卡绑定可以提高网络的传输速度并且还能保证网络安全性做到网卡的高可用甚至可以节省IP地址。 网卡绑定模式 mode0轮询模式 链路的负载均衡传输带宽增加具有容错性当其中一条链路有故障时可以自动切换到正常链路。 mode1主备模式 一块网卡处于活跃状态另一块处于备份状态时刻检查活跃网卡的使用情况当网卡出现故障时备份网卡自动切换为主网卡。 mode2平衡策略 基于指定的传输HASH策略传输数据包。对负载和容错能力有提升。 mode3广播策略 在每个slave接口上传输每个数据包此模式提供了容错能力。 mode4动态链路聚合 创建聚合组根据802.3ad规范将多个slave工作在同一个激活的聚合体下。 mode5适配器传输负载均衡 根据每个slave的负载情况选择slave进行发送接收时使用当前轮到的slave。该模式要求slave接口的网络设备驱动有某种ethtool支持而且ARP监控不可用。 mode6适配器适应性负载均衡 在适配器传输负载均衡的基础上增加了接收负载均衡接收负载均衡通过ARP协商实现。 配置网卡绑定 查看当前内核是否支持bonding modinfo bonding filename: /lib/modules/3.10.0-693.el7.x86_64/kernel/drivers/net/bonding/bonding.ko.xz
author: Thomas Davis, tadavislbl.gov and many others
description: Ethernet Channel Bonding Driver, v3.7.1
version: 3.7.1
license: GPL
alias: rtnl-link-bond
rhelversion: 7.4
srcversion: 3F7A5A65495F3B40F22AEFD
depends:
intree: Y
vermagic: 3.10.0-693.el7.x86_64 SMP mod_unload modversions
signer: CentOS Linux kernel signing key
sig_key: DA:18:7D:CA:7D:BE:53:AB:05:BD:13:BD:0C:4E:21:F4:22:B6:A4:9C
sig_hashalgo: sha256
parm: max_bonds:Max number of bonded devices (int)
parm: tx_queues:Max number of transmit queues (default 16) (int)
parm: num_grat_arp:Number of peer notifications to send on failover event (alias of num_unsol_na) (int)
parm: num_unsol_na:Number of peer notifications to send on failover event (alias of num_grat_arp) (int)
parm: miimon:Link check interval in milliseconds (int)
parm: updelay:Delay before considering link up, in milliseconds (int)
parm: downdelay:Delay before considering link down, in milliseconds (int)
parm: use_carrier:Use netif_carrier_ok (vs MII ioctls) in miimon; 0 for off, 1 for on (default) (int)
parm: mode:Mode of operation; 0 for balance-rr, 1 for active-backup, 2 for balance-xor, 3 for broadcast, 4 for 802.3ad, 5 for balance-tlb, 6 for balance-alb (charp)
parm: primary:Primary network device to use (charp)
parm: primary_reselect:Reselect primary slave once it comes up; 0 for always (default), 1 for only if speed of primary is better, 2 for only on active slave failure (charp)
parm: lacp_rate:LACPDU tx rate to request from 802.3ad partner; 0 for slow, 1 for fast (charp)
parm: ad_select:802.3ad aggregation selection logic; 0 for stable (default), 1 for bandwidth, 2 for count (charp)
parm: min_links:Minimum number of available links before turning on carrier (int)
parm: xmit_hash_policy:balance-xor and 802.3ad hashing method; 0 for layer 2 (default), 1 for layer 34, 2 for layer 23, 3 for encap layer 23, 4 for encap layer 34 (charp)
parm: arp_interval:arp interval in milliseconds (int)
parm: arp_ip_target:arp targets in n.n.n.n form (array of charp)
parm: arp_validate:validate src/dst of ARP probes; 0 for none (default), 1 for active, 2 for backup, 3 for all (charp)
parm: arp_all_targets:fail on any/all arp targets timeout; 0 for any (default), 1 for all (charp)
parm: fail_over_mac:For active-backup, do not set all slaves to the same MAC; 0 for none (default), 1 for active, 2 for follow (charp)
parm: all_slaves_active:Keep all frames received on an interface by setting active flag for all slaves; 0 for never (default), 1 for always. (int)
parm: resend_igmp:Number of IGMP membership reports to send on link failure (int)
parm: packets_per_slave:Packets to send per slave in balance-rr mode; 0 for a random slave, 1 packet per slave (default), 1 packets per slave. (int)
parm: lp_interval:The number of seconds between instances where the bonding driver sends learning packets to each slaves peer switch. The default is 1. (uint) modprobe bondinglssmod |grep bonding bonding 145728 0 以上信息表名我们的内核已经支持bonding后续直接配置即可目前大多数的操作系统都已经支持网卡绑定了我们这里就不在过多的描述不支持该操作的服务器如何进行安装了如果不支持网上搜个博客看看吧。 操作前规划 物理接口绑定后的虚拟接口ens192/ens224bond0 当前双网卡的速率都是万兆网。 修改物理网卡配置文件 vim /etc/sysconfig/network-scripts/ifcfg-ens224 DEVICEens224
BOOTPROTOnone
MASTERbond0
SLAVEyes vim /etc/sysconfig/network-scripts/ifcfg-ens192 DEVICEens192
BOOTPROTOnone
MASTERbond0
SLAVEyes 配置虚拟网卡配置文件 vim /etc/sysconfig/network-scripts/ifcfg-bond0 DEVICEbond0
BONDING_OPTSmode0 miimon100
BOOTPROTOnone
ONBOOTyes
BROADCAST10.240.1.255
IPADDR10.240.1.1
NETMASK255.255.0.0
NETWORK10.240.0.0
USERCTLno 修改modprobe相关文件 vim /etc/modprobe.d/bonding.conf alias bond0 bonding
options bonding mode0 miimon100 miimon监控网络链接的频率单位为毫秒。 mode:配置绑定选用模式。 systemctl restart network 查看绑定后信息 我们可以发现绑定的虚拟网卡已经启动并且传输速率为20000Mb/S。 查看当前网卡绑定信息。 转载于:https://www.cnblogs.com/Cherry-Linux/p/9620952.html
