On the 3560 switches, when configuring an 802.1q tunnel does it need to be point-to-point? Or can you configure it connect multiple sites together? I've looked through the documentation and haven't been able to find if it is permitted or not. The docs don't say either way.
Hi, as the other poster said yes you can have multible site connected through a tunnel, most document refer to the GRE tunnel which is a point to point connection, GRE tunnel do not send multicast traffic by default so routing table keep alives are not sent across, however you can configure ip pim sparse-dense mode to send multitraffic across the tunnel, see the document below.
I was tasked with setting up multible tunnels for our network using the tunnel mode gre multipoint see some sample config below.
We are pleased to announce availability of Beta software for 16.6.3.
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