Spanned VLANs (Multiple Site VLAN) #672

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opened 2025-12-29 16:24:36 +01:00 by adam · 4 comments
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Originally created by @stefanjagger on GitHub (Jan 30, 2017).

I wish it was possible to select multiple sites for a VLAN and Prefixes. For example we have Site A VLAN 400 and Site B VLAN 400 with Layer 2 between. The prefix is the same 10.0.0.0/28 using 10.0.0.1 for HSRP. Documenting this in netbox currently is possible at the VLAN level but not possible on the Prefix level, without hacking it together. The IP allocation from the prefixes wouldn't be suitable.

Originally created by @stefanjagger on GitHub (Jan 30, 2017). I wish it was possible to select multiple sites for a VLAN and Prefixes. For example we have Site A VLAN 400 and Site B VLAN 400 with Layer 2 between. The prefix is the same 10.0.0.0/28 using 10.0.0.1 for HSRP. Documenting this in netbox currently is possible at the VLAN level but not possible on the Prefix level, without hacking it together. The IP allocation from the prefixes wouldn't be suitable.
adam closed this issue 2025-12-29 16:24:36 +01:00
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@Armadill0 commented on GitHub (Jan 30, 2017):

We're currently workarounding this with a site named "Allsite" where those VLANs and Prefixes are collected. But to be able to select multiple sites for such spanned VLANs would be really helpful.

@Armadill0 commented on GitHub (Jan 30, 2017): We're currently workarounding this with a site named "Allsite" where those VLANs and Prefixes are collected. But to be able to select multiple sites for such spanned VLANs would be really helpful.
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@cristian-ciobanu commented on GitHub (Jan 30, 2017):

This is a duplicate of https://github.com/digitalocean/netbox/issues/235 and there is a pull request for this https://github.com/digitalocean/netbox/pull/794 which hasn't been merged yet.

@cristian-ciobanu commented on GitHub (Jan 30, 2017): This is a duplicate of https://github.com/digitalocean/netbox/issues/235 and there is a pull request for this https://github.com/digitalocean/netbox/pull/794 which hasn't been merged yet.
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@stefanjagger commented on GitHub (Jan 30, 2017):

Thanks, and apologies for the duplicate.

@stefanjagger commented on GitHub (Jan 30, 2017): Thanks, and apologies for the duplicate.
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@Censored3 commented on GitHub (Feb 28, 2017):

Everyone is always telling that every multi-site VLAN feature request is a duplicate to #235

However Global VLAN isn't the same as a multi-site VLAN, where a multi-site VLAN is a VLAN stretched across sites over an L2 link. Correct? Or am I understanding the implementation of Global VLAN wrong?

@Censored3 commented on GitHub (Feb 28, 2017): Everyone is always telling that every multi-site VLAN feature request is a duplicate to #235 However Global VLAN isn't the same as a multi-site VLAN, where a multi-site VLAN is a VLAN stretched across sites over an L2 link. Correct? Or am I understanding the implementation of Global VLAN wrong?
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Reference: starred/netbox#672