Configuration Adjustment Fees

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Last updated: 2026-08-04 17:44:56

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Elastic IP (EIP) supports on-demand upgrades and downgrades of the bandwidth and adjustments of the bandwidth billing mode to help you improve resource utilization and optimize the cost structure.
For the operations of adjusting the bandwidth and billing mode, see Adjusting the Bandwidth.
Adjusting Bandwidth
Network Billing Mode
Adjusting Bandwidth
Adjustment Fee
By traffic
The bandwidth can be upgraded and downgraded, with immediate effect.
The fees are settled by traffic, so bandwidth adjustment has no impact on fee settlement.
By hourly bandwidth
The bandwidth can be upgraded and downgraded, with immediate effect.
If the bandwidth is upgraded or downgraded within 1 hour, it will be billed according to the highest configuration.
Monthly bandwidth subscription
For general BGP EIPs, the bandwidth can be upgraded and downgraded, with immediate effect.
Upgrading the bandwidth requires a supplemental fee, and downgrading the bandwidth may involve refunds.
Adjusting the Billing Mode
Original Billing Mode
Target Billing Mode
Support
Adjustment Fee
Frequency Limit
By traffic
By hourly bandwidth
Switch supported
Supplement fees and refunds are not involved.
No limit
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Monthly bandwidth subscription
Switch supported
Purchase the monthly bandwidth subscription at the price on the official website.
Only 1 switch is allowed for each instance.
By hourly bandwidth
By traffic
Switch supported
Supplement fees and refunds are not involved.
No limit
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Monthly bandwidth subscription
Switch supported
Purchase the monthly bandwidth subscription at the price on the official website.
Only 1 switch is allowed for each instance.
Monthly bandwidth subscription
By traffic
Switch supported
Returned fee after the switch= Fee for purchased monthly bandwidth subscription - Fee for used resources.
Only 1 switch is allowed for each instance.
﻿
By hourly bandwidth
Switch supported
Returned fee after the switch= Fee for purchased monthly bandwidth subscription - Fee for used resources.
Only 1 switch is allowed for each instance.
Note:
For the monthly bandwidth subscription, vouchers and purchase discounts are non-refundable after you switch the network billing mode. If you change the billing mode back to monthly bandwidth subscription later, you need to purchase it again at the list price on the official website.
Calculation Examples
The prices below are only examples, not the actual prices on the official website. For the bandwidth unit prices of instances, see Billing Instructions.
Adjusting the Public Network Bandwidth
Upgrading or Downgrading the Bandwidth for the "By Traffic" Mode
The bandwidth limit of EIP instances billed by traffic can be upgraded or downgraded at any time. Bandwidth limit adjustment has no impact on public network fees, which are settled by traffic.
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Upgrading or Downgrading the Bandwidth for the "By Hourly Bandwidth" Mode
For billing by hourly bandwidth, fees are settled once per hour. If the bandwidth is upgraded or downgraded within 1 hour, it will be billed according to the highest configuration.
For example, at 00:00 AM on June 1, 2020, you purchased an EIP instance with billing by hourly bandwidth in the Guangzhou region. The public network bandwidth is 2 Mbps/hour at 0.0116 USD/hour.
At 00:30 AM on June 1, 2020, you upgraded the bandwidth to 6 Mbps/hour at 0.0498 USD/hour.
At the settlement at 01:00 AM on June 1, 2020, billing was based on the highest bandwidth within the hour, which is 6 Mbps/hour, and 0.0498 USD was deducted.
Upgrading the Bandwidth for the "Monthly Bandwidth Subscription" Mode
Bandwidth upgrades follow the principle of paying the price difference on a per-day basis. Additional fee for the upgrade = (Monthly price of the new bandwidth x Number of months for the upgrade) - (Monthly price of the old bandwidth x Number of months for the upgrade).
The upgrade fee is charged according to the daily difference. If the duration is less than a day, it will be rounded up to a full day.
Number of months for the upgrade = (Resource expiration time - Current time) / (365/12).
For example, on June 1, 2020, you purchased a monthly bandwidth subscription EIP instance in the Guangzhou region with a public network bandwidth of 2 Mbps. The monthly bandwidth fee = 2 Mbps x 3.4 USD/Mbps/month = 6.8 USD/month, purchased for three months. At 00:00 AM on June 21, 2020, you upgraded the bandwidth from 2 Mbps to 6 Mbps. The new monthly bandwidth fee = 5 Mbps x 3.4 USD/Mbps/month + 1 Mbps x 11.83 USD/Mbps/month = 28.83 USD/month.
Number of months for the upgrade = (10 + 31 + 31) / (365/12) = 2.37 months.
Additional fee for the upgrade = 28.83 x 2.37 - 6.8 x 2.37 = 52.2111 USD.
Note:
There are 30 days in June, 31 days in July, and 31 days in August. Resource expiration time - Current time = 10 + 31 + 31 days.
Downgrading the Bandwidth for the "Monthly Bandwidth Subscription" Mode
Resource downgrade follows the refund before repurchase principle. That is, Refund amount for the downgrade = Refund for resource return - Fee for purchasing new resources.
Refund for resource return: Current effective order amount + Effective unstarted order amount - Resource usage fee. The refund amount is calculated according to the non-full refund rules. For more information, see General BGP IP Address Refund.
Fee for used resources: If the usage duration has reached a full month, the fees will be deducted based on the monthly bandwidth subscription billing price for the full month. If the usage duration is less than a full month, the fees will be deducted based on the hourly bandwidth billing price for the usage duration, which is precise down to the second.
Fee for purchasing new resources: The purchase amount is calculated based on the prices of new resources purchased.
The promo vouchers used during the purchase cannot be returned. The fees for used non-vouchers will be returned to the payer's Tencent Cloud account according to the payment method (cash/free credit) and proportion.
For example, on June 1, 2020, you purchased a monthly bandwidth subscription EIP instance in the Guangzhou region with a public network bandwidth of 6 Mbps at 28.83 USD/month, with a 3-month subscription. The equivalent hourly bandwidth price for the same configuration is 0.0498 USD/hour. At 00:00 AM on June 21, 2020 (the usage duration was 20 days), the bandwidth was downgraded from 6 Mbps to 2 Mbps at 6.8 USD/month.
Refund for resource return = 28.83 x 3 - 0.0498 x 20 x 24 = 62.586 USD.
Fee for purchasing new resources = 6.8 x (10 + 31 + 31) / (365/12) = 16.0964 USD.
Refund amount for the downgrade = 62.586 - 16.0964 = 46.4896 USD.
Note:
The fee for used resources is 0.0498 USD/hour x 20 days x 24 hours.
There are 30 days in June, 31 days in July, and 31 days in August. The number of days for the newly purchased resources = 10 + 31 + 31 days.
Adjusting the Public Network Billing Mode
Converting from "By Traffic" to "By Hourly Bandwidth"
The traffic billing can be switched to the hourly bandwidth billing mode, with an unlimited number of switches.
The billing of public network fees is switched from billing by traffic to billing by the usage duration of the public network bandwidth, and the fees are settled once per hour. No supplemental fees or returned fees are involved.
If a switch occurs within 1 billing cycle (1 hour), the billed-by-traffic fees will be charged according to the traffic used in this billing cycle, while the billed-by-hourly bandwidth fees will be charged according to the time percentage (billing seconds/3,600 seconds). The billing duration is precise down to the second.
Converting from "By Traffic" to "Monthly Bandwidth Subscription"
The traffic fee will be settled hourly at the time of the switch. The switch can be made by paying the fee billed by the monthly bandwidth subscription. Only 1 switch is allowed for each instance.
Converting from "By Hourly Bandwidth" to "By Traffic"
The hourly bandwidth billing mode can be switched to the traffic billing mode, with an unlimited number of switches.
The billing of public network fees is switched from billing by the usage duration of the public network bandwidth to billing by traffic, and the fees are settled once per hour. No supplemental fees or returned fees are involved.
If a switch occurs within 1 billing cycle (1 hour), the billed-by-traffic fees will be charged according to the traffic used in this billing cycle, while the billed-by-hourly bandwidth fees will be charged according to the time percentage (billing seconds/3,600 seconds). The billing duration is precise down to the second.
Converting from "By Hourly Bandwidth" to "Monthly Bandwidth Subscription"
The billed-by-hourly bandwidth fees will be settled hourly at the time of the switch. The switch can be made by paying the fee billed by the monthly bandwidth subscription. Only 1 switch is allowed for each instance.
Converting from "Monthly Bandwidth Subscription" to "By Traffic"
The monthly bandwidth subscription can be switched to the traffic billing mode, and only 1 switch is allowed for each instance. Returned fee after the switch = Fee for the purchased monthly bandwidth subscription - Fee for used resources.
Fee for used resources: If the usage duration has reached a full month, the fees will be deducted based on the monthly bandwidth subscription billing price for the full month. If the usage duration is less than a full month, the fees will be deducted based on the hourly bandwidth billing price for the usage duration, which is precise down to the second.
The promo vouchers used during the purchase cannot be returned. The fees for used non-vouchers will be returned to the payer's Tencent Cloud account according to the payment method (cash/free credit) and proportion.
For example, at 00:00 AM on June 1, 2020, you purchased a monthly bandwidth subscription EIP instance in the Guangzhou region with a public network bandwidth of 2 Mbps at 6.8 USD/month, with a 3-month subscription. The equivalent hourly bandwidth price for the same configuration is 0.0116 USD/hour. At 12:00 noon on July 2, 2020 (the usage duration was 1 month + 36 hours), the billing mode of the 2 Mbps monthly bandwidth subscription was switched to billing by traffic.
Fee for the purchased monthly bandwidth subscription = 6.8 x 3 = 20.4 USD.
Fee for used resources = 6.8 + 0.0116 x 36 = 7.2176 USD.
Network refund after the switch = 20.4 - 7.2176 = 13.1842 USD.
Note:
The USD 6.8 in the fee for used resources is the fee for the full month of usage, and the 0.0116 USD/hour x 36 hours is the fee for the usage duration that is less than a full month.
Converting from "Monthly Bandwidth Subscription" to "By Hourly Bandwidth"
The monthly bandwidth subscription can be switched to the hourly bandwidth billing mode, and only 1 switch is allowed for each instance. Returned fee after the switch = Fee for the purchased monthly bandwidth subscription - Fee for used resources.
Fee for used resources: If the usage duration has reached a full month, the fees will be deducted based on the monthly bandwidth subscription billing price for the full month. If the usage duration is less than a full month, the fees will be deducted based on the hourly bandwidth billing price for the usage duration, which is precise down to the second.
The promo vouchers used during the purchase cannot be returned. The fees for used non-vouchers will be returned to the payer's Tencent Cloud account according to the payment method (cash/free credit) and proportion.
For example, at 00:00 AM on June 1, 2020, you purchased a monthly bandwidth subscription EIP instance in the Guangzhou region with a public network bandwidth of 2 Mbps at 6.8 USD/month, with a 3-month subscription. The equivalent hourly bandwidth price for the same configuration is 0.0116 USD/hour. At 12:00 noon on July 2, 2020 (the usage duration was 1 month + 36 hours), the billing mode of the 2 Mbps monthly bandwidth subscription was switched to billing by traffic.
Fee for the purchased monthly bandwidth subscription = 6.8 x 3 = 20.4 USD.
Fee for used resources = 6.8 + 0.0116 x 36 = 7.2176 USD.
Network refund after the switch = 20.4 - 7.2176 = 13.1842 USD.
Note:
The USD 6.8 in the fee for used resources is the fee for the full month of usage, and the 0.0116 USD/hour x 36 hours is the fee for the usage duration that is less than a full month.
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Network Billing Mode	Adjusting Bandwidth	Adjustment Fee
By traffic	The bandwidth can be upgraded and downgraded, with immediate effect.	The fees are settled by traffic, so bandwidth adjustment has no impact on fee settlement.
By hourly bandwidth	The bandwidth can be upgraded and downgraded, with immediate effect.	If the bandwidth is upgraded or downgraded within 1 hour, it will be billed according to the highest configuration.
Monthly bandwidth subscription	For general BGP EIPs, the bandwidth can be upgraded and downgraded, with immediate effect.	Upgrading the bandwidth requires a supplemental fee, and downgrading the bandwidth may involve refunds.

Original Billing Mode	Target Billing Mode	Support	Adjustment Fee	Frequency Limit
By traffic	By hourly bandwidth	Switch supported	Supplement fees and refunds are not involved.	No limit
By traffic		Monthly bandwidth subscription	Switch supported	Purchase the monthly bandwidth subscription at the price on the official website.	Only 1 switch is allowed for each instance.
By hourly bandwidth	By traffic	Switch supported	Supplement fees and refunds are not involved.	No limit
By hourly bandwidth		Monthly bandwidth subscription	Switch supported	Purchase the monthly bandwidth subscription at the price on the official website.	Only 1 switch is allowed for each instance.
Monthly bandwidth subscription	By traffic	Switch supported	Returned fee after the switch= Fee for purchased monthly bandwidth subscription - Fee for used resources.	Only 1 switch is allowed for each instance.
Monthly bandwidth subscription		By hourly bandwidth	Switch supported	Returned fee after the switch= Fee for purchased monthly bandwidth subscription - Fee for used resources.	Only 1 switch is allowed for each instance.

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Elastic IP

Configuration Adjustment Fees

Adjusting Bandwidth

Adjusting the Billing Mode

Calculation Examples

Adjusting the Public Network Bandwidth

Upgrading or Downgrading the Bandwidth for the "By Traffic" Mode

Upgrading or Downgrading the Bandwidth for the "By Hourly Bandwidth" Mode

Upgrading the Bandwidth for the "Monthly Bandwidth Subscription" Mode

Downgrading the Bandwidth for the "Monthly Bandwidth Subscription" Mode

Adjusting the Public Network Billing Mode

Converting from "By Traffic" to "By Hourly Bandwidth"

Converting from "By Traffic" to "Monthly Bandwidth Subscription"

Converting from "By Hourly Bandwidth" to "By Traffic"

Converting from "By Hourly Bandwidth" to "Monthly Bandwidth Subscription"

Converting from "Monthly Bandwidth Subscription" to "By Traffic"

Converting from "Monthly Bandwidth Subscription" to "By Hourly Bandwidth"

Help and Support