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Switch Meshing
Switch Meshing Fundamentals
Figure 5-5. Example of a Supported Heterogeneous Topology in Normal Mode
Host
(Both links
use the
same MAC
address.)
8212zl
Switch
Switch
5300xl
LAN
Tagged VLAN 20
Creating the mesh with
only one 8212zl switch
connected to the host,
and using tagged
VLANs for multiple
connections between
the host and the meshed
switch allows normal
meshing operation.
Mesh Domain
Untagged VLAN 1
8212zl
Switch
8212zl
Switch
Bringing Up a Switch Mesh Domain
When a meshed port detects a non-meshed port on the opposite end of a point-
to-point connection, the link will be blocked. Thus, as you bring up switch
meshing on various switches, you may temporarily experience blocked ports
where meshed links should be running. These conditions should clear them-
selves after all switches in the mesh have been configured for meshing and
their switches rebooted. To reduce the effect of blocked ports during bring-
up, configure meshing and reboot the switches before installing the meshed
switches in the network. Also, since adding (or removing) a meshed port
requires a switch reboot to implement, you can avoid repeated system disrup-
tions by waiting to implement the mesh until you have finished configuring
meshing on all ports in your intended mesh domain.
Further Operating Information
Refer to “Operating Notes for Switch Meshing” on page 5-15.
5-8