How To Configure Tcp; Configuring Tcp Performance Parameters - Cisco ASR 1000 Series Configuration Manual

How to Configure TCP

How to Configure TCP

Configuring TCP Performance Parameters

Before You Begin
Both sides of the network link must be configured to support window scaling or the default of 65,535 bytes
will be applied as the maximum window size. To support Explicit Congestion Notification (ECN), the remote
peer must be ECN-enabled because the ECN capability is negotiated during a three-way handshake with the
remote peer.
SUMMARY STEPS
1. enable
2. configure terminal
3. ip tcp synwait-time seconds
4. ip tcp path-mtu-discovery [age-timer {minutes | infinite}]
5. ip tcp selective-ack
6. ip tcp timestamp
7. ip tcp chunk-size characters
8. ip tcp window-size bytes
9. ip tcp ecn
10. ip tcp queuemax packets
11. end
DETAILED STEPS
Command or Action
Step 1
enable
Example:
Device> enable
Step 2 configure terminal
Example:
Device# configure terminal
Step 3 ip tcp synwait-time seconds
Example:
Device(config)# ip tcp synwait-time 60
IP Application Services Configuration Guide, Cisco IOS XE Release 3S (Cisco ASR 1000)
30
Purpose
Enables privileged EXEC mode.
• Enter your password if prompted.
Enters global configuration mode.
(Optional) Sets the amount of time the Cisco software will wait
before attempting to establish a TCP connection.
• The default is 30 seconds.
Configuring TCP