本文介绍: 步骤1:验证10Gbps链路的物理层和数据链路层步骤2:使用channel–group number mode active命令将10Gbps链路添加到现有的bundle中步骤3:执行lacp min–bundle 3命令设置最小端口数阈值步骤4:验证10Gbps链路的网络层不选执行channel–group number mode on命令将10Gbps链路添加到现有的bundle中。
拖图
拖图题
编程
snippet;192.168.5.0,mask 255.255.255.0;number是192.168.5.0;mask是255.255.255.0
snippets;edit–config对config,loopback对name 100,address对primary,mask对255.255.255.0;loopback和100都有两个0;primary后可接address
prefix list;target后接running(跑目标);prefixes接name 100;permit 接10 set local-preference;match 接 ip address prefix–list;target目标running奔跑;prefix前缀name名字;permit允许10;match匹配ip;
code snippet;ios–acl为dst-any,action为ip,protocol为access–list–seq–rule,ios–acl为deny;
JSON-formatted;选File=open,不选File.open();
RESTCONF;natvie/interface/GigabitEthernet/1、HTTP Verb-GET、Headers-Accept;GET是请求方法、属于Verb动词;accept header接收头部;
EEM;1-5是周日到周四;不选带redirect的ftp;
EEM;event syslog pattern事件syslog模式;show clock | append flash:ConfSave.txt显示时钟|追加flash:ConfSave.txt;
EEM;primary port goes down and also shutdown中primary port=g4/0/9,down,shutdown;
OSPF和EIGRP(OSPF<EIGRP)
OSPF<EIGRP;OSPF有link;EIGRP有alternative和DUAL;
OSPF<EIGRP;OSPF有link和only equal;EIGRP有vector和uequal;advanced和unequal(高级所以能支持不等成本的)。
OSPF<EIGRP;OSPF有link和only equal和link;EIGRP有vector和DUAL和loop。
OSPF<EIGRP;OSPF有link和manual;EIGRP有automatically;
OSPF<EIGRP;OSPF有link和process ID和110;EIGRP有vector和AS和DUAL。
OSPF<EIGRP;OSPF有link和segment和table;EIGRP有vector和unequal和metric多个条件;
OSPF<EIGRP;OSPF有link和interface cost;EIGRP有metic多条件和hello 5【link的反例】;
OSPF<EIGRP;OSPF有link和interface cost;EIGRP有hello 5【link的反例】;
OSPF<EIGRP;EIGRP有DUAL和anywhere;OSPF有specific part和area;
OSPF<EIGRP;EIGRP有DUAL和metric多个条件;OSPF有DSPF和process;
OSPF<EIGRP;EIGRP有DUAL和metric多个条件;OSPF有DA和metric一个条件;DA也比DUAL少;
OSPF<EIGRP;OSPF有interface cost和not summary interface;EIGRP有complex和summary interface;
BGP;需看;第一个空跟第三个有干扰,第三空明显是remote-as +源端65000,但是第一个空的格式跟第三个空不一样,但是也是填写AS,不过确实也是不一样,所以还是按照AS,neighbor的顺序记忆就行,router bgp 65001,neighbor 192.168.1.1,第四个空还在R1,所以neighbor还是192.168.1.1;bdp接65001、neighbor 192.168.1.1、remote-as 65000、neighbor 192.168.1.1;看图从做左到右,按顺序来填写,注意neighbor是对端的地址;看图你就知道了
LACP-based;第一是physical and data link。第二是add xx to the existing bundle(2a)。第三是bundle 3。第四是network layer;先底层,加bundle,再3 bundle,最后网络层。;五岁三王
DHCP;1是发现,2是提供,3是请求,4是确认。;联想马路边捡到1块钱(发现),交给jingcha叔叔手里边(提供),有人来认领(请求),叔叔进行身份(确认)。;首字母,dora都让
MAC&TCAM;TCAM>MAC;MAC有2层和MAC;TCAM有routing和store;
Cloud和On-Premises(On-Premises<Cloud;有-的单词都是Cloud的;scale除了后接require表示否定外,其他都是Cloud的;hardware硬件,security安全,都是On-Premises的;)
Cloud>On-Premise;Cloud有easy to scale和bulit-in和strong;On-Premises有hardware,security和undertutilized;先选Cloud有scale除后接require外,带-单词除up-front,只要记住cloud有strong;
Cloud>On-Premise;Cloud有easy to scale和high agile;On-Premise有requires large和high custom;先选Cloud有scale除后接require外,带-单词除up-front,只要记住cloud有high agile;
Cloud>On-Premise;Cloud有easily scale和anywhere;On-Premise有investment和capacity;先选Cloud有scale除后接require外,带-单词除up-front,只要记住cloud有anywhere;
Cloud>On-Premise;Cloud有scalable和pay-as-you-go和provider;On-premises有control/security和but;先选Cloud有scale除后接require外,带-单词除up-front,只要记住cloud有contract;
Cloud>On-Premise;Cloud有scalable和shared;On-Premises有control和longer deployment;先选Cloud有scale除后接require外,带-单词除up-front,只要记住cloud有shared;
Cloud>On-Premise;Cloud有improve elasticity和provider-managed;On-Premises有control和cost/CapEx;先选Cloud有scale除后接require外,带-单词除up-front;
Cloud>On-Premise;Cloud有able to scale和share和正常cost;On-Premise有control和高cost;先选Cloud有scale除后接require外,带-单词除up-front,只要记住cloud有share,cost usage;
Cloud>On-Premise;On-Premises有【反例】scalability require和haredware;Cloud有on-demand和thrid-party;scalability需要时间和精力=no scalability;先选Cloud有scale除后接require外,带-单词除up-front;
Cloud>On-Premise;Cloud选-的词,其他都归On-Premise;有self-service;On-Premises有complex和long time;先选Cloud有scale除后接require外,带-单词除up-front;
Cloud>On-Premise;Cloud选-的词,其他都归On-Premise;On-Premise有only和high;Cloud有cost-effective和third-party;一句话有-单词是Cloud;先选Cloud有scale除后接require外,带-单词除up-front;
Cloud>On-Premise;Cloud有provider和fast upgrade和low capital;On-Premises有hardward和slow upgrade和high capital;考一个Cloud与On-Premise的反义,只需要记住一边,比如云是有提供者,快速升级,低支出;
CEF
CEF>PS;PS有low switch;CEF有prorietary switch和多operation;
CEF>PS;PS有software和forward decison;CEF有hardware和forward table;
CEF>PS;PS有software和CPU;CEF有high packet;CEF比PS高咯;Process Switching有两个switching;CEF有high。
Chef
Chef>Salt(因为厨师用盐还有其他);Chef有procedural作品和Ruby老语言;Salt有declarative和Python新语言;Ruby比python老;厨师也是比较程序化pro;盐古代是要公告的,才能卖;
Chef>Salt(因为厨师用盐还有其他);Chef有procedural程序和knife刀;SaltStack有declarative和SSH安全传输;厨师按程序干活,盐可以delete减少点下;
Procedural>Declarative;Declarative只是声明,没有说明实现,Procdural定义了实现程序;Procedural:tool,command;Declarative:syntax,want;
agent
agent-base&agentless;安赛波无实物无代理,厨师有实物;puppet木偶有实物有代理,salt有实物,ansible安赛波没实物;Puppet>Ansible,所以Puppet有代理,Ansible无代理;
agent-base&agentless;安赛波无实物,厨师有实物;厨师要基础base;
Puppet>Ansible(两个p>an一个);安赛波无实物无代理和intent-based;puppet木偶有实物有代理和before;Ansible有一个agent和ing;
Puppet>Ansible(两个p>an一个);安赛波无实物无代理用推push,需要用到手procedural;puppet木偶有实物有代理用pull拉,需要用到口declarative;Ansible有primary/secondary,push;Puppet有multi–master,pull;push和ansible都有s;puppet和pull都有重复的字母;Ansible有an提示primary一级;
Puppet>Ansible(两个p>an一个);需看;puppet涉及pull,ppp需要de;安赛波无实物无代理用推push,需要用到手procedural;puppet木偶有实物有代理用pull拉,需要用到口declarative;Ansible有prodect book产品书、Puppety有pull declarative拉起公告;Ansible有play,prode、Puppet有pull和declarative;book是程序化的;
LISP
LISP;ITR有site;resolver解析有request请求;server服务有learn学习;proxy代理有LISP to non-LISP;resolver和request都有re;server和learn;ETR与ITR都有receive,ITR有interface,都有i。ETR有site,et和te;解析器resolver解析啥,就是解析request请求、服务器server负责learn、代理proxy负责receive traffic接收流量、receive packet接收包;
LISP;ITR对应site;resolver解析有request请求;RLOC对应router;
LISP;ETR有site;server服务有learn学习;EID有endpoint;
QoS
QoS;policing>shaping;policing有dropped和no delay;shaping有buffers和delay;policing有TCP和no。shaping有buffer缓冲器和delay延迟;警察安全不丢失,定型过多延迟又延迟;警察安全无丢失;定型过多延迟又延迟
QoS;Mark和convey(Mark和information标记信息),Classification和distinguish(Class和type分类类型),shapping和buffer缓冲(shap和rate定型速率),Trust和permits(放行信任);定型过量
QoS;DSCP有IP,map有scheduler,service;两个mechanism对应两个policy,service有QoS,map有forward;地图有转发;
QoS;两个portion对应两个缩写,DSCP有IP,Cos有802.1Q;两个mechanism对应两个policy,service有QoS,map有forward;shaping有delay,policing有limit,
安全
AAA;ACE group,AAA RADIUS,case-sensitive format,if;不要non和没有AAA的ACE;注意四个顺序还有前后顺序要求;ACE group、AAA RADIUS、case-sensitive、if;短A,长A,长local,if如果;需看;
ACL;先permit靠action drop拒绝;permit、permit、action drop、action forward
REST API;公共API资源是安全库。HTTP要有用户和密码。API依赖Token。OAuth依赖身份提供者。;secure和public、basic有用户和密码(最基本也要有用户和密码)、token和secret、oauth有autho;
无线
wireless elements;gain有given,pattern有space,beamwidth有measure,polarization有orientation;gain对increase、radiation对show、beamwidth对measure、polarization对influence;gain increase增益提高;gain和given都有gin;patterns和space都有pas;beamwidth和below都有bew;
应用
CM>Orchestration;CM:mutable,exist;O:immutable,provision;
CM>Orchestration;多需看;CM不>O,因为CM是手动,O是自动;因为CM是手动,O是自动;Configuration Management有con提示consistent、有an提示Ansible。Orchestration;CM有ansible安塞波和consistent基础。orchestration有puppet木偶和automation自动化。;CM有an和en(an:ansible;en:enable);o有pp和do。
threat defense;watch有analy,ESA有email,AMP有malware,FTD有IDS,Umb有DNS;
threat defense;watch有analy,WSA有web,ISE有pxGrid;Web Security Applicance有web;ISE有pxGrid;StealthWatch的watch有analy;
Cisco DNA Center API;delete对remove。put对应update。get对应extract。post对应create。;put提高就是update升级,get得到extract提取,post工作create创建;post邮寄element元素;put和update的pu和up相反;get和extract的et和ext都有et;
VSS;2、4500+6500、geograp地理;two,series,separated;两份礼系列
virtual component;DK=disk drive file,X=configuration file,NIC是接口有send,OVA是ova与zip相似;
PIM Dense Mode;需看;袁术推停止;没有share共享;dense想到防御,防御是需要push推到,防御是不能share共享的,要有根基source,可以stop进攻;build要source不要share,use要push和prune不要pull;要source-base不要shared;要push不要pull;要stop不要deliver;source、push、prune原退件;use不要pull;build不要share;需要顺序吧,种下袁术,退掉停止;
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