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xStack DES-6500 Modular Layer 3 Chassis Ethernet Switch CLI Manual
DES-6500:4#config stp maxage 18 maxhops 15
Command: config stp maxage 18 maxhops 15
Success.
DES-6500:4#
config stp ports
Purpose Used to setup STP on the port level.
Syntax
config stp ports <portlist> {externalCost [auto | <value 1-
200000000>] | hellotime <value 1-10> | migrate [yes | no] edge
[true | false] | p2p [true | false | auto ] | state [enable | disable]
| lbd [enable | disable]}
Description This command is used to create and configure STP for a group of
ports.
Parameters
<portlist> − Specifies a range of ports to be displayed. The port list
is specified by listing the lowest slot number and the beginning
port number on that slot, separated by a colon. Then the highest
slot number, and the highest port number of the range (also
separated by a colon) are specified. The beginning and end of the
port list range are separated by a dash. For example, 1:3 specifies
slot number 1, port 3. 2:4 specifies slot number 2, port 4. 1:3-2:4
specifies all of the ports between slot 1, port 3 and slot 2, port 4 −
in numerical order.
externalCost − This defines a metric that indicates the relative cost
of forwarding packets to the specified port list. Port cost can be set
automatically or as a metric value. The default value is auto.
auto – Setting this parameter for the external cost will
automatically set the speed for forwarding packets to the
specified port(s) in the list for optimal efficiency. Default port
cost: 100Mbps port = 200000. Gigabit port = 20000.
<value 1-200000000> - Define a value between 1 and
200000000 to determine the external cost. The lower the
number, the greater the probability the port will be chosen to
forward packets.
hellotime <value 1-10> − The time interval between transmission
of configuration messages by the designated port, to other
devices on the bridged LAN, thus stating that the Switch is still
functioning. The user may choose a time between 1 and 10
seconds. The default is 2 seconds.
migrate [yes | no] – Setting this parameter as “yes” will set the
ports to send out BDPU packets to other bridges, requesting
information on their STP setting If the Switch is configured for
RSTP, the port will be capable to migrate from 802.1d STP to
802.1w RSTP. If the Switch is configured for MSTP, the port is
capable of migrating from 802.1d STP to 802.1s MSTP. RSTP
and MSTP can coexist with standard STP, however the benefits of
RSTP and MSTP are not realized on a port where an 802.1d
network connects to an 802.1w or 802.1s enabled network.
Migration should be set as yes on ports connected to network
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