Juniper J-Series Administration Manual page 249

Figure 24: Packet Capture Page
Table 114: Packet Capture Field Summary
Field Function
Interface Specifies the interface on which the packets are
captured.
If you select default, packets on the Ethernet
management port 0, are captured.
Detail level Specifies the extent of details to be displayed for the
packet headers.
Brief—Displays the minimum packet header
information. This is the default.
Detail—Displays packet header information in
moderate detail.
Extensive—Displays the maximum packet
header information.
Packets Specifies the number of packets to be captured.
Values range from
capture stops capturing packets after this number
is reached.
Addresses Specifies the addresses to be matched for capturing
the packets using a combination of the following
parameters:
Direction—Matches the packet headers for IP
address, hostname, or network address of the
source, destination or both.
Type—Specifies if packet headers are matched
for host address or network address.
You can add multiple entries to refine the match
criteria for addresses.
Protocols Matches the protocol for which packets are captured.
You can choose to capture TCP, UDP, or ICMP
packets or a combination of TCP, UDP, and ICMP
packets.
Ports Matches packet headers containing the specified
source or destination TCP or UDP port number or
port name.
Advanced Options
To stop capturing packets and return to the Packet Capture page, click OK.
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Capturing and Viewing Packets with the J-Web Interface
Chapter 12: Using Services Router Diagnostic Tools
Your Action
From the list, select an interface—for example,
.
ge-0/0/0
From the list, select Detail.
From the list, select the number of packets to be
captured—for example, 10.
Select address-matching criteria. For example:
1. From the Direction list, select source.
2. From the Type list, select host.
3. In the Address box, type
4. Click Add.
From the list, select a protocol—for example, tcp.
Select a direction and a port. For example:
1. From the Type list, select src.
2.
In the Port box, type 23 .
.
10.1.40.48
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