515
Related commands
packet-capture local interface
packet-capture remote interface
packet-capture (on wired devices)
IMPORTANT:
To use the packet capture feature, you must install the feature image by using the
boot-loader
or
install
command. For more information about the commands, see
Fundamentals Command
Reference
.
Use
packet-capture
to capture incoming packets on an interface.
Syntax
Save captured packets to a file:
packet-capture interface
interface-type
interface-number
[
capture-filter
capt-expression
|
limit-captured-frames
limit
|
limit-frame-size
bytes
|
autostop filesize
kilobytes
|
autostop
duration
seconds
|
autostop files numbers
|
capture-ring-buffer filesize
kilobytes
|
capture-ring-buffer duration
seconds
|
capture-ring-buffer files
numbers
] *
write
filepath
[
raw
|
{
brief
|
verbose
} ] *
Filter packet data to display:
packet-capture interface
interface-type
interface-number
[
capture-filter
capt-expression
|
display-filter
disp-expression
|
limit-captured-frames
limit
|
limit-frame-size
bytes
|
autostop
duration
seconds
] * [
raw
| {
brief
|
verbose
} ] *
Views
User view
Predefined user roles
network-admin
Parameters
interface
interface-type interface-number
: Specifies a Layer 2 or Layer 3 Ethernet interface by its
type and number.
capture-filter capt-expression
: Specifies an expression to match packets to be captured, a
case-sensitive string of 1 to 256 characters. If you do not specify a capture filter expression, the
device captures all incoming packets on an interface.
display-filter disp-expression
: Specifies an expression to match packets to be displayed, a
case-sensitive string of 1 to 256 characters. If you do not specify a display filter expression, the
device displays all captured packets.
limit-captured-frames limit
: Stops capturing packets when the maximum number of captured
packets is reached. The
limit
argument sets the maximum number of packets to capture. The value
