Modifying a Subnet¶
Scenarios¶
Modify the subnet name, NTP server address, and DNS server address.
Procedure¶
Log in to the management console.
Click
in the upper left corner and select the desired region and project.Click
in the upper left corner and choose Network > Virtual Private Cloud.The Virtual Private Cloud page is displayed.
In the navigation pane on the left, choose Virtual Private Cloud > Subnets.
The Subnets page is displayed.
In the subnet list, locate the target subnet and click its name.
The subnet details page is displayed.
On the Summary tab, click
on the right of the parameter to be modified and modify the parameter as prompted.Table 1 Parameter descriptions¶ Parameter
Description
Example Value
Name
The subnet name.
The name can contain a maximum of 64 characters, which may consist of letters, digits, underscores (_), hyphens (-), and periods (.). The name cannot contain spaces.
Subnet
DNS Server Address
By default, two DNS server addresses are configured. You can change them as required. A maximum of two DNS server addresses are supported. Use commas (,) to separate every two addresses.
A maximum of five DNS server addresses are supported. Use commas (,) to separate every two addresses.
100.125.x.x
NTP Server Address
The IP address of the NTP server. This parameter is optional.
You can configure the NTP server IP addresses to be added to the subnet as required. The IP addresses are added in addition to the default NTP server addresses. If you do not specify this parameter, no additional NTP server IP addresses will be added.
A maximum of four unique NTP server IP addresses can be configured. Multiple IP addresses must be separated by a comma (,). If you add or change the NTP server addresses of a subnet, you need to renew the DHCP lease for or restart all the ECSs in the subnet to make the change take effect immediately. If the NTP server addresses have been cleared out, restarting the ECSs will not help. You must renew the DHCP lease for all ECSs to make the change take effect immediately.
192.168.2.1
Description
Supplementary information about the subnet. This parameter is optional.
The description can contain a maximum of 255 characters and cannot contain angle brackets (< or >).
-Click OK.