Troubleshooting Guide

Field Description
VLANID Specifies the backbone VLAN
PORT INTERFACES Specifies the port that is assigned to the I-SID
MLT INTERFACES Specifies the mlt that is assigned to the I-SID
The following describes the fields in the output for the show isis spbm i-sid command.
Table 59: show isis spbm i-sid
Field Description
ISID Indicates the IS-IS SPBM I-SID identifier.
SOURCE NAME Indicates the nickname of the node where this I-SID
was configured or discovered.
Note:
SOURCE NAME is equivalent to nickname.
VLAN Indicates the B-VLAN where this I-SID was
configured or discovered.
SYSID Indicates the system identifier.
TYPE Indicates the SPBM I-SID type as either configured
or discovered.
HOST_NAME Indicates the host name of the multicast FIB entry.
Viewing C-MACs learned on T-UNI ports for an ISID
Perform this procedure to view the I-SID bridge forwarding database.
About this task
The show i-sid mac-address-entry command displays the C-MACs learned on T-UNI I-
SIDs. It also displays the C-MACs learned on T-UNI I-SIDs for a specific I-SID, MAC address, port
or port list or remote MAC address.
Procedure
1. Log on to the switch to enter User EXEC mode.
2. View C-MACs learned on the T-UNI I-SIDs:
show i-sid mac-address-entry [<1-16777215>] [mac
<0x00:0x00:0x00:0x00:0x00:0x00>] [port {slot/port[/sub-port] [-slot/
port[/sub-port]] [,...]}] [remote]
Viewing C-MACs learned on T-UNI ports for an ISID
January 2017 Troubleshooting 301
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