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==VLANs==
At the customer side the service is presented on a VLAN. The VLAN ID will be discussed during the order process.
Normally the link you have can carry one or more services on the link - the common one being 10Mbit/s internet access. However the same link can have internet access and site-to-site access, and multiple such services and different speeds. We also offer a dedicated site-to-site fibre as well.
WhereThe therelink isyou morehave can thancarry one serviceor onmore theservice link then all of- the servicescommon willone havebeing afor VLANinternet tagaccess. ThisHowever isthe usedsame tolink differentiatecan betweenhave theinternet services. In thisaccess caseand site-to-site access, canand usemultiple Q-in-Qsuch doubleservices taggingand todifferent passspeeds. VLANAll tags toof the otherservices site. The internet access does notwill have anya secondaryseparate VLAN taggingtag. that would apply.
Where there is only one service on the link then this can be set to operate with no VLAN tag.
Where a dedicated site-to-site fibre is used then any packets simply go to the other end including any VLAN tags. This link is effectively a very long Ethernet cable, though still subject to packet size limits.
Note that if you have VLAN tagging on any link then all links on that connection will have a VLAN tag (you can't have one un-tagged). The VLAN tag could be any of the valid tag values so check your switch does not have a limited on VLAN tag values.
==Packet size==
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