| copyright | lastupdated | keywords | subcollection | ||
|---|---|---|---|---|---|
|
2024-11-22 |
direct link |
dl |
{{site.data.keyword.attribute-definition-list}}
{: #dl-comparison-classic}
Review feature support for Direct Link on Classic offerings versus Direct Link. {: shortdesc}
| Feature | Direct Link on Classic | Direct Link |
|---|---|---|
| Locations | All IBM Cloud data centers and PoP locations have Direct Link on Classic support. | All MZRs have Direct Link offering support. Single-campus multizone region support is being rolled out on a location-by-location basis. |
| 100G NNI | No 100G NNI support. | Business case justification is required in roadmap for MZR’s and associated POP’s pending business/finance approval. |
| Account in VRF | VRF migration is required. | If the account is used for VPC connectivity only, there is no need to migrate to VRF. If SoftLayer classic network connectivity is required, then the account needs a VRF migration. |
| BGP authentication. | You can open an IBM Support ticket to enable this feature for all Direct Link on Classic offerings. | Supported for Dedicated and Connect offerings through automation. Need to store the MD5 secret in Key Protect or an HPCS instance in the customer account. |
| Default BGP IP address range for automation | 10.254.0.0/16 |
169.254.0.0/16 |
| Manual IP address range supported | None | 172.16.0.0/12, 192.168.0.0/16, 10.254.0.0/16, any public IP addresses |
| BGP ASN supported | Allowed to use any ASN outside these blocked ranges: Allowed to use any ASN outside these blocked ranges: 0, 13884, 36351, 64512, 64513, 65100, 65201 – 65234, 65402 – 65433, 65500, and 4201065000 – 4201065999 |
2-byte range: 1 - 64495 or 64999 \n 2-byte or 4-byte range: 131072 - 4199999999 \n 4-byte range: 4201000000 - 4294967294 \n Excluded ASNs: 0, 13884, 36351, 64512, 64513, 65100, 65201 – 65234, 65402 – 65433, 65500, 65516, 65519, 65521, 65531, and 4201065000 – 4201065999. |
| Billing | Supports only monthly flat rate billing. | Metered based on the data utilization and unmetered flat rate support. |
| VPC connectivity | No VPC connectivity — can connect only to SoftLayer classic networks. | Supports connectivity to multiple VPCs and connects to SoftLayer classic networks. |
| Cross-account connectivity | Allows classic network connectivity within the account only. | Allows VPC connectivity between IBM Cloud accounts, except for classic-access VPCs (see Adding a cross-account (VPC only) connection for details). |
| Bring Your Own IP (BYIOP) | No BYOIP support. | Supports BYOIP for nonoverlapping RFC-1918 IP ranges between VPC networks and on-premises networks (see Routing considerations for IANA-registered IP assignments for details). |
| Pricing | Global routing has a monthly flat rate charge. | Free global routing. |
| Automation | Full automation for Equinix Exchange and Colt Connect offerings. The rest of the ordering process is partially automated and requires manual configuration. | Automation for Dedicated and Connect offerings. Fully automated single-click ordering experience with the providers Equinix, Packet Fabric, Cologix, British Telecom and DE-CIX. For automation information, see Partner-specific instructions. |
| Connectivity between Direct Link and Transit Gateway | Not supported. | All MZRs have Direct Link offering support. |
| Bidirectional Forwarding Detection (BFD) | You can open an IBM Support case to enable this feature for all Direct Link on Classic offerings. | All MZRs have Direct Link offering support. |
| Update BGP ASN and IP | You can open an IBM Support ticket to enable this feature for all Direct Link on Classic offerings. | All MZRs have Direct Link offering support. |
| {: caption="Feature comparison between Direct Link versions" caption-side="bottom"} |