FD 100/320Gbps NT and FX NT IHub Services Guide Virtual Private LAN Service
Issue: 13 3HH-11985-AAAA-TQZZA 291
5.16.3.16 mst-max-hops
Table 198 mst-max-hops command
Context configure>service>vpls>stp>mst-instance
Description This command specifies a range of VLANs associated with a certain MST-instance. This range
applies to all SAPs of the m-VPLS.
Every VLAN range that is not assigned within any of the created mst-instance is automatically
assigned to mst-instance 0. This instance is automatically maintained by the software and
cannot be modified. Changing the VLAN range value can be performed only when the given
mst-instance is shutdown.
The no form of this command removes the VLAN range from a given mst-instance.
Parameters vlan-range — The first VLAN range specifies the left-bound (i.e., minimum value) of a range of
VLANs that are associated with the m-VPLS SAP. This value must be smaller than (or equal
to) the second VLAN range value. The second VLAN range specifies the right-bound (i.e.,
maximum value) of a range of VLANs that are associated with the m-VPLS SAP.
Values: 1 — 4093 and 1 — 4093
Item Description
(2 of 2)
Item Description
Syntax mst-max-hops hops-count
no mst-max-hops
Context configure>service>vpls>stp
Description This command specifies the number of hops in the region before BPDU is discarded and the
information held for the port is aged out. The root bridge of the instance sends a BPDU (or
M-record) with remaining-hop-count set to configured <max-hops>. When a bridge receives
the BPDU (or M-record), it decrements the received remaining-hop-count by 1 and propagates
it in BPDU (or M-record) it generates.
The no form of this command sets the hops-count to its default value.
Default 20
Parameters hops-count — Specifies the maximum number of hops.
Values: 1 — 40
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