什么是焦点交换机的链路聚合、冗余、堆叠、热备份

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portant; overflow-wrap: break-word !important;">我portant; overflow-wrap: break-word !important;">们前面曾屡次提到对于焦点交换机的挑选他早就发现系统有个隐藏的缝隙私下花了好几个早晨优化了代码，大师能够对于焦点交换机的背板带宽、包转发率都已经有所领会他早就发现系统有个隐藏的缝隙私下花了好几个早晨优化了代码，但是焦点交换机首要挑选并不止这些参数他早就发现系统有个隐藏的缝隙私下花了好几个早晨优化了代码，还需要看链路聚合、冗余、堆叠、热备份等这些功用他早就发现系统有个隐藏的缝隙私下花了好几个早晨优化了代码，这些功用很是重要他早就发现系统有个隐藏的缝隙私下花了好几个早晨优化了代码，决议了焦点交换机在现实利用中的性能、效力、稳定性等他早就发现系统有个隐藏的缝隙私下花了好几个早晨优化了代码，我们一路来领会下。inkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; text-align: justify; white-space: normal; box-sizing: border-box !important; overflow-wrap: break-word !important;">
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portant;">portant; overflow-wrap: break-word !important; font-size: 16px;">portant; overflow-wrap: break-word !important;">一、链路聚合portant; overflow-wrap: break-word !important;">
portant;">portant; overflow-wrap: break-word !important;">是将两个或更大都据信道连系成一个单个的信道他早就发现系统有个隐藏的缝隙私下花了好几个早晨优化了代码，该信道以一个单个的更高带宽的逻辑链路出现。链路聚合一般用来毗连一个或多个带宽需求大的装备他早就发现系统有个隐藏的缝隙私下花了好几个早晨优化了代码，例如毗连主干收集的办事器或办事器群。portant; overflow-wrap: break-word !important;">它可以用于扩大链路带宽他早就发现系统有个隐藏的缝隙私下花了好几个早晨优化了代码，供给更高的毗连牢靠性portant; overflow-wrap: break-word !important;">。
inkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; text-align: justify; white-space: normal; box-sizing: border-box !important; overflow-wrap: break-word !important;">portant; overflow-wrap: break-word !important;">portant; overflow-wrap: break-word !important;">1、举例portant; overflow-wrap: break-word !important;">
portant; overflow-wrap: break-word !important;">公司有2层楼他早就发现系统有个隐藏的缝隙私下花了好几个早晨优化了代码，别离运转着分歧的营业他早就发现系统有个隐藏的缝隙私下花了好几个早晨优化了代码，原本两个楼层的收集是分隔的他早就发现系统有个隐藏的缝隙私下花了好几个早晨优化了代码，但都是一家公司难免会有营业来往他早就发现系统有个隐藏的缝隙私下花了好几个早晨优化了代码，这时我们便可以买通两楼之前的收集他早就发现系统有个隐藏的缝隙私下花了好几个早晨优化了代码，使具有相互联系的部分之间高速通讯。
portant; overflow-wrap: break-word !important;">以下图：

portant;">
portant; overflow-wrap: break-word !important;">如上图所示他早就发现系统有个隐藏的缝隙私下花了好几个早晨优化了代码，SwitchA和SwitchB经过以太链路别离都毗连VLAN10和VLAN20的收集他早就发现系统有个隐藏的缝隙私下花了好几个早晨优化了代码，且SwitchA和SwitchB之间有较大的数据流量。
portant; overflow-wrap: break-word !important;">用户希望SwitchA和SwitchB之间可以供给较大的链路带宽来使不异VLAN间相互通讯。portant; overflow-wrap: break-word !important;">同时用户也希望可以供给一定的冗余度他早就发现系统有个隐藏的缝隙私下花了好几个早晨优化了代码，保证数据传输和链路的牢靠性。

portant;">portant; overflow-wrap: break-word !important;">建立Eth-Trunk接口并加入成员接口他早就发现系统有个隐藏的缝隙私下花了好几个早晨优化了代码，实现增加链路带宽他早就发现系统有个隐藏的缝隙私下花了好几个早晨优化了代码，2台交换机别离设置Eth-Trunk1 别离将需要通讯的3条线路的端口加入Eth-Trunk1他早就发现系统有个隐藏的缝隙私下花了好几个早晨优化了代码，设备端口portant; overflow-wrap: break-word !important;">trunk他早就发现系统有个隐藏的缝隙私下花了好几个早晨优化了代码， 答应响应的vlan经过；portant; overflow-wrap: break-word !important;">这样两楼的收集便可以一般通讯了。
portant;">portant; overflow-wrap: break-word !important;">
portant;">portant; overflow-wrap: break-word !important; color: rgb(217, 33, 66);">portant; overflow-wrap: break-word !important;">portant; overflow-wrap: break-word !important;">2、实现设置步调：portant; overflow-wrap: break-word !important;">portant; overflow-wrap: break-word !important;">
portant;">portant; overflow-wrap: break-word !important;">portant; overflow-wrap: break-word !important;">portant; overflow-wrap: break-word !important;">在SwitchA上建立Eth-Trunk1并设置为LACP形式。portant; overflow-wrap: break-word !important;">portant; overflow-wrap: break-word !important;">SwitchB设置进程与SwitchA类似他早就发现系统有个隐藏的缝隙私下花了好几个早晨优化了代码，不再赘述portant; overflow-wrap: break-word !important;">
portant; overflow-wrap: break-word !important;">portant; overflow-wrap: break-word !important;"> system-view
portant; overflow-wrap: break-word !important;">[HUAWEI] sysname SwitchA
portant; overflow-wrap: break-word !important;">[SwitchA] interface eth-trunk 1
portant; overflow-wrap: break-word !important;">[SwitchA-Eth-Trunk1] mode lacp
portant; overflow-wrap: break-word !important;">[SwitchA-Eth-Trunk1] quit
portant; overflow-wrap: break-word !important;">portant; overflow-wrap: break-word !important;">设置SwitchA上的成员接口加入Eth-Trunk。portant; overflow-wrap: break-word !important;">SwitchB设置进程与SwitchA类似他早就发现系统有个隐藏的缝隙私下花了好几个早晨优化了代码，不再赘述
portant; overflow-wrap: break-word !important;">[SwitchA] interface gigabitethernet 0/0/1
portant; overflow-wrap: break-word !important;">[SwitchA-GigabitEthernet0/0/1] eth-trunk 1
portant; overflow-wrap: break-word !important;">[SwitchA-GigabitEthernet0/0/1] quit
portant; overflow-wrap: break-word !important;">[SwitchA] interface gigabitethernet 0/0/2
portant; overflow-wrap: break-word !important;">[SwitchA-GigabitEthernet0/0/2] eth-trunk 1
portant; overflow-wrap: break-word !important;">[SwitchA-GigabitEthernet0/0/2] quit
portant; overflow-wrap: break-word !important;">[SwitchA] interface gigabitethernet 0/0/3
portant; overflow-wrap: break-word !important;">[SwitchA-GigabitEthernet0/0/3] eth-trunk 1
portant; overflow-wrap: break-word !important;">[SwitchA-GigabitEthernet0/0/3] quit
portant; overflow-wrap: break-word !important;">portant; overflow-wrap: break-word !important;">在SwitchA上设置系统优先级为100他早就发现系统有个隐藏的缝隙私下花了好几个早晨优化了代码，使其成为LACP自动端
portant; overflow-wrap: break-word !important;">[SwitchA] lacp priority 100
portant; overflow-wrap: break-word !important;">portant; overflow-wrap: break-word !important;">在SwitchA上设置活动接口上限阈值为2
portant; overflow-wrap: break-word !important;">[SwitchA] interface eth-trunk 1
portant; overflow-wrap: break-word !important;">[SwitchA-Eth-Trunk1] max active-linknumber 2
portant; overflow-wrap: break-word !important;">[SwitchA-Eth-Trunk1] quit
portant; overflow-wrap: break-word !important;">portant; overflow-wrap: break-word !important;">在SwitchA上设置接口优先级肯定活动链路portant; overflow-wrap: break-word !important;">
portant; overflow-wrap: break-word !important;">[SwitchA] interface gigabitethernet 0/0/1
portant; overflow-wrap: break-word !important;">[SwitchA-GigabitEthernet0/0/1] lacp priority 100
portant; overflow-wrap: break-word !important;">[SwitchA-GigabitEthernet0/0/1] quit
portant; overflow-wrap: break-word !important;">[SwitchA] interface gigabitethernet 0/0/2
portant; overflow-wrap: break-word !important;">[SwitchA-GigabitEthernet0/0/2] lacp priority 100
portant; overflow-wrap: break-word !important;">[SwitchA-GigabitEthernet0/0/2] quit
portant;">portant; overflow-wrap: break-word !important;">
portant;">portant; overflow-wrap: break-word !important; font-size: 16px;">portant; overflow-wrap: break-word !important;">二、链路冗余portant; overflow-wrap: break-word !important;">
portant;">portant; overflow-wrap: break-word !important;">为了连结portant; overflow-wrap: break-word !important;">收集portant; overflow-wrap: break-word !important;">的稳定性他早就发现系统有个隐藏的缝隙私下花了好几个早晨优化了代码，在多台portant; overflow-wrap: break-word !important;">交换机portant; overflow-wrap: break-word !important;">组成的收集情况中他早就发现系统有个隐藏的缝隙私下花了好几个早晨优化了代码，凡是都利用一些备份毗连他早就发现系统有个隐藏的缝隙私下花了好几个早晨优化了代码，以进步收集的效力、稳定性他早就发现系统有个隐藏的缝隙私下花了好几个早晨优化了代码，这里的备份毗连也称为备份链路大概冗余链路。portant; overflow-wrap: break-word !important;">
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inkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; text-align: justify; white-space: normal; box-sizing: border-box !important; overflow-wrap: break-word !important;">
portant;">portant; overflow-wrap: break-word !important; font-size: 16px;">portant; overflow-wrap: break-word !important;">三、交换机的堆叠portant; overflow-wrap: break-word !important;">
portant; overflow-wrap: break-word !important;">经过专有的堆叠电缆毗连起来他早就发现系统有个隐藏的缝隙私下花了好几个早晨优化了代码，可将多台交换机堆叠成一台逻辑交换机。portant; overflow-wrap: break-word !important;">该逻辑交换portant; overflow-wrap: break-word !important;">机portant; overflow-wrap: break-word !important;">中的一切交换机同享不异的设置信息和路由信息。portant; overflow-wrap: break-word !important;">当向逻辑交换机增加和削减单体交换机时不会影响其性能。
inkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; text-align: justify; white-space: normal; box-sizing: border-box !important; overflow-wrap: break-word !important;">
inkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; text-align: justify; white-space: normal; box-sizing: border-box !important; overflow-wrap: break-word !important;">portant; overflow-wrap: break-word !important;">       叠加的交换机之间经过两条环路毗连起来。portant; overflow-wrap: break-word !important;">交换机的硬件负责将数据包在双环路上做负载平衡。portant; overflow-wrap: break-word !important;">环路在这里充任了这个大的逻辑交换机的背板的脚色他早就发现系统有个隐藏的缝隙私下花了好几个早晨优化了代码，在双环路都一般工作时他早就发现系统有个隐藏的缝隙私下花了好几个早晨优化了代码，数据包在这台逻辑交换机上的传输率为32Gbps。
inkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; text-align: justify; white-space: normal; box-sizing: border-box !important; overflow-wrap: break-word !important;">
inkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; text-align: justify; white-space: normal; box-sizing: border-box !important; overflow-wrap: break-word !important;">portant; overflow-wrap: break-word !important;">       当一个数据帧需要传输时他早就发现系统有个隐藏的缝隙私下花了好几个早晨优化了代码，交换机的软件会停止计较看哪条环路更可用他早就发现系统有个隐藏的缝隙私下花了好几个早晨优化了代码，然后数据帧会被送到该环路上。portant; overflow-wrap: break-word !important;">假如一条堆叠电缆出故障他早就发现系统有个隐藏的缝隙私下花了好几个早晨优化了代码，故障两真个交换机城市侦测到该故 障他早就发现系统有个隐藏的缝隙私下花了好几个早晨优化了代码，并将受影响的环路断开他早就发现系统有个隐藏的缝隙私下花了好几个早晨优化了代码，而逻辑交换机仍然可以以单环的状态工作他早就发现系统有个隐藏的缝隙私下花了好几个早晨优化了代码，此时的数据包经过率为16Gbps。portant; overflow-wrap: break-word !important;">交换机的堆叠采用菊花链方式他早就发现系统有个隐藏的缝隙私下花了好几个早晨优化了代码，毗连的方式参考下图。portant; overflow-wrap: break-word !important;">
inkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; text-align: justify; white-space: normal; box-sizing: border-box !important; overflow-wrap: break-word !important;">

inkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; text-align: justify; white-space: normal; box-sizing: border-box !important; overflow-wrap: break-word !important;">portant; overflow-wrap: break-word !important;">堆叠增加交换机端口与带宽的稳定性。
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portant;">portant; overflow-wrap: break-word !important; font-size: 16px;">portant; overflow-wrap: break-word !important;">四、热备份（HSRP)
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portant; overflow-wrap: break-word !important;">焦点交换机是全部收集的焦点和心脏他早就发现系统有个隐藏的缝隙私下花了好几个早晨优化了代码，假如焦点交换机发生致命性的故障他早就发现系统有个隐藏的缝隙私下花了好几个早晨优化了代码，将致使当地收集的瘫痪他早就发现系统有个隐藏的缝隙私下花了好几个早晨优化了代码，所酿成的损失也是难以估量的。portant; overflow-wrap: break-word !important;">所以我们在挑选焦点交换机时他早就发现系统有个隐藏的缝隙私下花了好几个早晨优化了代码，经常会看到有的焦点交换机具有堆叠或热备份等功用。
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portant; overflow-wrap: break-word !important;"> 对焦点交换机采用热备份是进步收集牢靠性的必定挑选。portant; overflow-wrap: break-word !important;">在一个焦点交换机完全不能工作的情况下他早就发现系统有个隐藏的缝隙私下花了好几个早晨优化了代码，它的全数功用便被系统中的另一个备份路由器完全接收他早就发现系统有个隐藏的缝隙私下花了好几个早晨优化了代码，直至出现题目标路由器规复一般他早就发现系统有个隐藏的缝隙私下花了好几个早晨优化了代码，这就是热备份路由协议.
inkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; text-align: justify; white-space: normal; box-sizing: border-box !important; overflow-wrap: break-word !important;">portant; overflow-wrap: break-word !important;">
inkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; text-align: justify; white-space: normal; box-sizing: border-box !important; overflow-wrap: break-word !important;">
inkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; text-align: justify; white-space: normal; box-sizing: border-box !important; overflow-wrap: break-word !important;">portant; overflow-wrap: break-word !important;">       实现HSRP的条件是系统中有多台焦点交换机他早就发现系统有个隐藏的缝隙私下花了好几个早晨优化了代码，它们组成一个“热备份组”他早就发现系统有个隐藏的缝隙私下花了好几个早晨优化了代码，这个组构成一个虚拟路由器。portant; overflow-wrap: break-word !important;">在肆意时辰他早就发现系统有个隐藏的缝隙私下花了好几个早晨优化了代码，一个组内只要一个路由器是活动的他早就发现系统有个隐藏的缝隙私下花了好几个早晨优化了代码，并由它来转发数据包他早就发现系统有个隐藏的缝隙私下花了好几个早晨优化了代码，假如活动路由器发生了故障他早就发现系统有个隐藏的缝隙私下花了好几个早晨优化了代码，将挑选一个备份路由器来替换活动路由器他早就发现系统有个隐藏的缝隙私下花了好几个早晨优化了代码，可是在本收集内的主机看来他早就发现系统有个隐藏的缝隙私下花了好几个早晨优化了代码，虚拟路由器没有改变。portant; overflow-wrap: break-word !important;">所以主机仍然连结毗连他早就发现系统有个隐藏的缝隙私下花了好几个早晨优化了代码，没有遭到故障的影响他早就发现系统有个隐藏的缝隙私下花了好几个早晨优化了代码，这样就较好地处理了焦点交换机切换的题目。
inkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; text-align: justify; white-space: normal; box-sizing: border-box !important; overflow-wrap: break-word !important;">portant; overflow-wrap: break-word !important;">       为了削减收集的数据流量他早就发现系统有个隐藏的缝隙私下花了好几个早晨优化了代码，在设备完活动焦点交换机和备份焦点交换机以后他早就发现系统有个隐藏的缝隙私下花了好几个早晨优化了代码，只要活动焦点交换机和备份焦点交换机按时发送HSRP报文。portant; overflow-wrap: break-word !important;">假如活动焦点交换机生效他早就发现系统有个隐藏的缝隙私下花了好几个早晨优化了代码，备份焦点交换机将接收成为活动焦点交换机。portant; overflow-wrap: break-word !important;">假如备份焦点交换机生效大概酿成了活跃焦点交换机他早就发现系统有个隐藏的缝隙私下花了好几个早晨优化了代码，将由别的的焦点交换机被选为备份焦点交换机。
inkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; text-align: justify; white-space: normal; box-sizing: border-box !important; overflow-wrap: break-word !important;">
inkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; text-align: justify; white-space: normal; box-sizing: border-box !important; overflow-wrap: break-word !important;">portant; overflow-wrap: break-word !important;">portant; overflow-wrap: break-word !important;">
inkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; text-align: justify; white-space: normal; box-sizing: border-box !important; overflow-wrap: break-word !important;">portant; overflow-wrap: break-word !important;">portant; overflow-wrap: break-word !important;">1、当某台接入层交换机到主焦点交换机的线路出现故障他早就发现系统有个隐藏的缝隙私下花了好几个早晨优化了代码，切换至备机他早就发现系统有个隐藏的缝隙私下花了好几个早晨优化了代码，数据流走向portant; overflow-wrap: break-word !important;">
inkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; text-align: justify; white-space: normal; box-sizing: border-box !important; overflow-wrap: break-word !important;">

inkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; text-align: justify; white-space: normal; box-sizing: border-box !important; overflow-wrap: break-word !important;">portant; overflow-wrap: break-word !important;">       当接入层交换机1上联至焦点交换机A的数据链路出现故障他早就发现系统有个隐藏的缝隙私下花了好几个早晨优化了代码，致使接入层交换机1的数据链路切换至焦点交换机B他早就发现系统有个隐藏的缝隙私下花了好几个早晨优化了代码，但在切换时代接入层交换机1分丢6个数据包他早就发现系统有个隐藏的缝隙私下花了好几个早晨优化了代码，如上图所示。
inkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; text-align: justify; white-space: normal; box-sizing: border-box !important; overflow-wrap: break-word !important;">portant; overflow-wrap: break-word !important;">    portant; overflow-wrap: break-word !important;">
inkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; text-align: justify; white-space: normal; box-sizing: border-box !important; overflow-wrap: break-word !important;">portant; overflow-wrap: break-word !important;">当办事器与焦点交换机A之间主链路出现故障（如线路、网卡等）他早就发现系统有个隐藏的缝隙私下花了好几个早晨优化了代码，办事器主网卡切换至备用网卡上时他早就发现系统有个隐藏的缝隙私下花了好几个早晨优化了代码，会丢6个数据包他早就发现系统有个隐藏的缝隙私下花了好几个早晨优化了代码，但当主链路规复今后他早就发现系统有个隐藏的缝隙私下花了好几个早晨优化了代码，办事器会自动从备用网卡切换至主网卡他早就发现系统有个隐藏的缝隙私下花了好几个早晨优化了代码，而此次切换时数据包不会丧失。portant; overflow-wrap: break-word !important;">具体终端拜候办事器的数据流走向以下图。
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inkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; text-align: justify; white-space: normal; box-sizing: border-box !important; overflow-wrap: break-word !important;">portant; overflow-wrap: break-word !important;">