C
HAPTER
30
| Interface Commands
– 782 –
Console#
test cable-
diagnostics dsp
This command performs cable diagnostics on the specified port to diagnose
any cable faults (short, open, etc.) and report the cable length.
SYNTAX
test cable-diagnostics dsp interface interface
interface
ethernet unit/port
unit - Unit identifier. (Range: 1)
port - Port number. (Range: 1-24)
Table 80: show interfaces switchport - display description
Field Description
Broadcast
Threshold
Shows if broadcast storm suppression is enabled or disabled; if enabled
it also shows the threshold level (page 777).
LACP Status Shows if Link Aggregation Control Protocol has been enabled or disabled
(page 789).
Ingress/Egress
Rate Limit
Shows if rate limiting is enabled, and the current rate limit (page 801).
VLAN Membership
Mode
Indicates membership mode as Trunk or Hybrid (page 842).
Ingress Rule Shows if ingress filtering is enabled or disabled (page 841).
Acceptable Frame
Type
Shows if acceptable VLAN frames include all types or tagged frames only
(page 839).
Native VLAN Indicates the default Port VLAN ID (page 843).
Priority for
Untagged Traffic
Indicates the default priority for untagged frames (page 875).
GVRP Status Shows if GARP VLAN Registration Protocol is enabled or disabled
(page 834).
Allowed VLAN Shows the VLANs this interface has joined, where “(u)” indicates
untagged and “(t)” indicates tagged (page 840).
Forbidden VLAN Shows the VLANs this interface can not dynamically join via GVRP
(page 834).
Private-VLAN
Mode
Shows the private VLAN mode as host, promiscuous, or none (854).
Private VLAN host-
association
Shows the secondary (or community) VLAN with which this port is
associated (855).
Private VLAN
mapping
Shows the primary VLAN mapping for a promiscuous port (856).
802.1Q-tunnel
Status
Shows if 802.1Q tunnel is enabled on this interface (847).
802.1Q-tunnel
Mode
Shows the tunnel mode as Normal, 802.1Q Tunnel or 802.1Q Tunnel
Uplink (847).
802.1Q-tunnel
TPID
Shows the Tag Protocol Identifier used for learning and switching packets
(848).
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