Friday, July 19, 2024

Konica Minolta 一体机无法跨网段打印问题

 关闭【快速IP过滤】

方法一:通过液晶屏幕

机器设置 - 管理员设置 - 网络设备 - TCP/IP设置 - 快速IP过滤  - 无过滤


 

方法二:通过Web管理后台


注:如果找不到【快速IP过滤】入口,请在【网络】入口关闭IPv4/IPv6过滤

Thursday, July 18, 2024

备用静态资源公共库

Microsoft
https://learn.microsoft.com/zh-cn/aspnet/ajax/cdn/overview
例子:https://ajax.aspnetcdn.com/ajax/jQuery/jquery-1.12.4.min.js

 

Cloudflare
https://cdnjs.cloudflare.com 或 https://cdnjs.com
例子:https://cdnjs.cloudflare.com/ajax/libs/jquery/1.12.4/jquery.min.js

 

字节跳动
https://cdn.bytedance.com
https://lf3-cdn-tos.bytecdntp.com/cdn/expire-1-M //阿里云
https://lf6-cdn-tos.bytecdntp.com/cdn/expire-1-M //金山云
https://lf9-cdn-tos.bytecdntp.com/cdn/expire-1-M //白山云
https://lf26-cdn-tos.bytecdntp.com/cdn/expire-1-M //华为云
例子:https://lf26-cdn-tos.bytecdntp.com/cdn/expire-1-M/jquery/1.12.4/jquery.min.js

Thursday, May 23, 2024

思科交换机在指定接口拦截特定MAC地址

mac access-list extend Source-Mac-All-Zero

 deny host 0000.0000.0000

 permit any any

 

 

interface FastEthernet0/30

 switchport access vlan 14

 switchport mode access

 mac access-group Source-Mac-All-Zero in


参考:

https://community.cisco.com/t5/switching/how-to-block-range-of-mac-addresses-in-cisco-switches-routers/td-p/4317895

Wednesday, May 15, 2024

华为交换机option43和option60实例

AC: Aruba 651- 10.77.25.1

AP: Aruba 105 - 172.17.2.0/24

SW: 华为S5720


 ip pool pool2
 gateway-list 172.17.2.1
 network 172.17.2.0 mask 255.255.255.0
 lease day 7
 dns-list xxx.xxx.xxx.xxx xxx.xxx.xxx.xxx
 option 43 ascii 10.77.25.1 (不确定 option 43 ip-address 10.77.25.1 是否可行)
 option 60 ascii ArubaAP

 

注意: 

1、10.77.25.1 和 172.17.2.0/24 可互通

2、Aruba 651 要有路由指向172.17.2.0/24 

 

参考:

https://www.madari.co.il/2018/08/pfsense-dhcp-option-43-for-aruba.html

Sunday, March 10, 2024

ACL的permit和deny两种含义

 permit 允许    deny 拒绝  permit 匹配    deny 不匹配