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995011402
Level 1
Member since
08-10-2015
12-11-2020
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ARP冲击网关问题
10-27-2015
各位大神,小弟碰见相关问题,来请各位帮忙啦!问题:同一局域网内,3750下面汇聚多台2918做接入层,现有未知终端恶意向网关3750发送大量ARP数据包 导致3750 CPU满载,无法访问外网求大神指导解决方法,小弟不甚感激!
思科2911路由器nat及负载均衡 求教各位大神
09-19-2015
各位大神,请教一下问题:1.2911接入电信和联通两条专线来实现链路冗余及负载均衡,负载均衡如何配置2.内网ip做NAT转换如何配置3.其中一条专线down后,nat如何变化
交换机端口流量拥堵问题
01-04-2016
sh int port-id 看一下端口的流量速率和packets
在思科3560上面给一台新电脑绑定IP和MAC地址后,为什么自动获取的是另外一个IP呢?
01-04-2016
电脑主机的MAC地址是48位,12个16进制字符,而设备上为了识别,需要在原有MAC地址前加"01"作为以太数据报文的标示。 所以你需要在client-identifier 01xx.xxxx.xxxx.xx (01MAC) 你需要绑定的地址应该是需要在地址池中排除掉的 ip dhcp excluded-address x.x.x.x
ARP冲击网关问题
11-01-2015
leiz2 发表于 2015-10-29 14:49 您好!首先,ARP request肯定是广播包,可以在3750上使用storm-control broadcastl功能。具体解释及配置, ...感谢您的回答 ,我试试先。。
ARP冲击网关问题
11-01-2015
suzhouxiaoniu 发表于 2015-10-29 14:20 那就先做端口安全吧,MAX=1+sticky绑定,效果应该也会有的端口安全已经做了 感觉效果不是很好感谢您的回复!
ARP冲击网关问题
10-27-2015
suzhouxiaoniu 发表于 2015-10-28 13:04 2918上可以做端口安全,限制一下MAC地址如果是DHCP环境,可以部署上DAI更好一些可是我的2918 不支持DHCP Snooping 功能:'(
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