Operation Manual – IP Addressing and Performance
H3C S3610&S5510 Series Ethernet Switches
Chapter 2 IP Performance Configuration
2-9
To do…
Use the command…
Remarks
Disable sending ICMP
destination unreachable
packets
undo ip unreachables
Required
Enabled by default.
Note:
z
The device stops sending “network unreachable” and “source route failure” ICMP
error packets after sending ICMP destination unreachable packets is disabled.
However, other destination unreachable packets can be sent normally.
z
The device stops sending “TTL timeout” ICMP error packets after sending ICMP
timeout packets is disabled. However, “reassembly timeout” error packets will be
sent normally.
2.5 Displaying and Maintaining IP Performance
To do…
Use the command…
Remarks
Display current TCP
connection state
display tcp status
Display TCP connection
statistics
display tcp statistics
Display UDP statistics
display udp statistics
Display IP packets statistics
display ip statistics
Display ICMP flows statistics
display icmp statistics
Display socket information
display ip socket
[
socktype
sock-type
] [
task-id
socket-id
]
Display FIB forward
information
display
fib
[
|
{
begin
|
include
|
exclude
}
text
|
acl
acl-number
|
ip-prefix ip-prefix-name
]
Display FIB forward
information matching the
specified destination IP
address
display fib ip-address1
[ {
mask1 | mask-length1
}
[
ip-address2
{
mask2 |
mask-length2
}
| longer
]
|
longer
]
Display the FIB information of
the specified VPN instance
display fib
vpn-instance
vpn-instance-name
[
include
string
]
Display statistics about the FIB
items
display fib statistics
Available in any
view
