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MAGNUM 6K SWITCHES, MNS-6K USER GUIDE
Comparing resiliency methods
So far we have briefly covered S-Ring with LLL, RS-Ring, RSPT as well as STP. The table
below summarizes some decision criteria on selecting RSPT vs STP vs S-Ring (and LLL) vs
RS-Ring.
RS-Ring S-Ring with LLL RSTP STP
License
Same license key as
S-Ring. One license
key needs to be
enabled on each
Magnum 6K switch
A license key is
needed. One key per
ring manager switch
Included in
MNS-6K
Included in
MNS-6K
Spanning Tree
Works with RSTP Works with RSTP or
STP devices
-- --
Devices
supported
Managed Magnum
6K family of
switches
Managed or certain
non managed Magnum
switches. Requires at
least one Magnum 6K
switch as ring manager
Many Many
Recovery
decision
Distributed across
all switches in the
ring. Works with
RSTP in each switch
Centralized to “Ring
Manager”. LLL
provides triggers to
recomputed topology
for ring members.
Also works with RSTP
or STP.
Typically done
using BPDU.
Can take time.
Typically
done using
BPDU. Can
take time.
Topology
Single ring, multiple
rings, no
overlapping rings or
ring of rings
Single ring, multiple
rings, no overlapping
rings or ring of rings
Mesh topology
– can have
multiple paths
Mesh
topology –
can have
multiple
paths
Interoperability
Works with
managed Magnum
6K family of
switches
Works with managed
6K family of switches,
other managed
switches such as mP62
and non managed
switches as well as
some hubs
Wide range of
products,
including other
vendor
products
Wider range
of products,
including
other vendor
products
Recovery time
Fastest Fast Medium – sub
second to a few
seconds
Slow – in tens
of seconds
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