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路由交换之VLAN-MAP详解(C..

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set port flowcontrol

set port flowcontrol

2008-05-03 23:33:48

set port flowcontrol
To set the receive flow-control value for a particular Gigabit Ethernet switching module port, use the set port flowcontrol command in privileged EXEC mode. To reset the receive flow-control value to the default, use the no form of this command.
set port flowcontrol {receive | send} [module-number | port-number] {off | on | desired}
no set port flowcontrol {receive | send} [module-number | port-number] {off | on | desired}
Syntax Description

receive ..

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mls qos cos

mls qos cos

2008-05-03 23:23:45

mls qos cos
To define the default Multilayer Switching (MLS) class of service (CoS) value of a port or to assign the default CoS value to all incoming packets on the port, use the mls qos cos command in interface configuration mode. To return to the default CoS setting, use the no form of this command.
mls qos cos {default-cos | override}
no mls qos cos {default-cos | override}
Syntax Description

default-cos

Assigns a default CoS value to a port. If the port is CoS tr..

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mac-address-table aging-time

mac-address-table aging-time

2008-05-03 23:20:12

mac-address-table aging-time
To configure the aging time for entries in the Layer 2 table, use the mac-address-table aging-time command in global configuration mode. To reset the seconds value to the default setting, use the no form of this command.
Cisco 2600 Series, Cisco 3600 Series, and Cisco 3700 Series Routers
mac-address-table aging-time seconds
no mac-address-table aging-time seconds
Catalyst Switches
mac-address-table aging-time seconds [vlan vlan-id]
no mac-address-t..

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关于使用ＩＳＡ代理导致一些网上银行出现不能正常打开的问题

关于使用ＩＳＡ代理导致一些网上银行出现不能正常打开的问题

2007-11-20 10:52:29

故障现象：
出现部分网上银行不能正常上网的现象．比如中国银行福建网上银行，还有一些其他未使用默认ＳＳＬ端口的网上银行，都提示ＳＳＬrequests错误，例如
错误代码: 502 Proxy Error。The specified Secure Sockets Layer (SSL) port is not allowed. ISA Server is not configured to allow SSL requests from this port. Most Web browsers use port 443 for SSL requests. (12204)

故障分析：
ISA防火墙同时是网络防火墙和Web代理服务器。ISA Server的防火墙组件允许它同时执行数据包过滤和应用层状态识别；而Web�..

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H3C 6506某大学城防病毒案例

H3C 6506某大学城防病毒案例

2007-11-02 15:43:38

某大学城防病毒案例

问题描述：
某大规模教育园区网络中，采用两台万兆交换机FORCE 10作为网络核心，三个分校区各采用两台FORCE 10作为校区核心，而采用我司的S6506共22台做为三级汇聚层交换机，并接入800多台接入交换机S3026E，接园区一万多个信息点，承载整个校园INTERNET业务。

设备拓扑图如下：

发生问题时，客户反馈S6506 出现 VLAN内不停的有ARP扫描（就是6506的VLAN INTERFACE不停的发本VLAN内每个IP地址的ARP REQUEST解析报文）..

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