Operation Manual –IP Address-IP Performance
H3C S3100 Series Ethernet Switches Chapter 2 IP Performance Configuration
2-1
Chapter 2 IP Performance Configuration
2.1 IP Performance Overview
2.1.1 Introduction to IP Performance Configuration
In some network environments, you need to adjust the IP parameters to achieve best
network performance. The IP performance configuration supported by S3100 Series
Ethernet Switches includes:
z Configuring TCP attributes
z Disabling ICMP to send error packets
2.1.2 Introduction to FIB
Every switch stores a forwarding information base (FIB). FIB is used to store the
forwarding information of the switch and guide Layer 3 packet forwarding.
You can know the forwarding information of the switch through the FIB table. Each FIB
entry includes: destination address/mask length, next hop, current flag, timestamp, and
outbound interface.
When the switch is running normally, the contents of the FIB and the routing table are
the same.
2.2 Configuring IP Performance
2.2.1 Introduction to IP Performance Configuration Tasks
Table 2-1 Introduction to IP performance configuration tasks
Configuration task Description Related section
Configure TCP attributes Optional 2.2.2
Disable ICMP to send error packets Optional 2.2.3
2.2.2 Configuring TCP Attributes
TCP optional parameters that can be configured include:
z synwait timer: When sending a SYN packet, TCP starts the synwait timer. If no
response packets are received before the synwait timer times out, the TCP
connection is not successfully created.
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