Configuration Guide User guide

402 BigIron RX Series Configuration Guide
53-1002484-04
Displaying RSTP information for the blocked interfaces
13
Displaying RSTP information for the blocked interfaces
To display all interfaces discarded by RSTP, enter the following command.
BigIron RX# show rstp discard
VLAN 128 - RSTP instance 0
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RSTP (IEEE 802.1w) Port Parameters:
<--- Config Params -->|<-------------- Current state ----------------->
Port Pri PortPath P2P Edge Role State Designated Designated
Num Cost Mac Port cost bridge
1/7 128 20000 F F ALTERNATE DISCARDING 2000 8000000cdbf5ee00
1/8 128 20000 F F ALTERNATE DISCARDING 2000 8000000cdbf5ee00
1/10 128 20000 F F ALTERNATE DISCARDING 0 8000000480a04000
VLAN 129 - RSTP instance 1
--------------------------------------------------------------------
RSTP (IEEE 802.1w) Port Parameters:
<--- Config Params -->|<-------------- Current state ----------------->
Port Pri PortPath P2P Edge Role State Designated Designated
Num Cost Mac Port cost bridge
1/7 128 20000 F F ALTERNATE DISCARDING 2000 8000000cdbf5ee00
1/8 128 20000 F F ALTERNATE DISCARDING 2000 8000000cdbf5ee00
1/10 128 20000 F F ALTERNATE DISCARDING 0 8000000480a04000
Syntax: show rstp discard [ethernet <interface-id> | vlan <vlan-id>]
The ethernet <interface-id> parameter displays discarded interfaces for the specified Ethernet
interface.
The vlan <vlan-id> parameter displays discarded interfaces for the specified port-based VLAN.
Table 87 describes the output parameters of the show rstp discard command.
TABLE 87 Output parameters of the show rstp discard command
Field Description
RSTP (IEEE 802.1w) Port Parameters:
Port Num The port number.
Pri The configured priority value of the port.
PortPath Cost The configured path cost on a link connected to this port.
P2P Mac Indicates if the point-to-point-mac parameter is configured to be a
point-to-point link:
• T – The link is configured as a point-to-point link.
• F – The link is not configured as a point-to-point link. This is the
default.
Edge Port Indicates if the port is configured as an operational Edge port:
• T – The port is configured as an Edge port.
• F – The port is not configured as an Edge port. This is the default.