January 2023
Intermediate to advanced
458 pages
14h 16m
Chinese
Content preview from 可编程网络自动化
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144
｜
第
6
章
口配置（使用业界标准的
CLI
语法）转换成模板（以便配置所在环境中数以百计的其他交
换端口）。
interface GigabitEthernet0/1
description Server Port
switchport access vlan 10
switchport mode access
这种配置片段很容易改写成模板——只需要决定哪部分配置是静态的，哪部分配置是动态
的。在接下来的例子中，我们删除了特定的接口名称（“
GigabitEthernet0/1
”
）并把其改写
成变量，在将模板渲染成实际配置时填充该变量。
interface {{ interface_name }}
description Server Port
switchport access vlan 10
switchport mode access
这意味着可以在渲染此模板时传入变量
interface_name
，与
interface_name
关联的值会被
填充到该位置上。
但是，上一个例子假定的是每个网络接口的配置都是相同的。如果想要不同的
VLAN
，或
是对某些接口采用不同的接口描述，该怎么办？在这种情况下，应该将配置文件中相应的
部分改写成变量。
interface {{ interface_name }}
description {{ interface_description }}
switchport access vlan {{ interface_vlan }}
switchport ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.