Simulating Maximum Bandwidth - Cisco AP776A - Nexus Converged Network Switch 5020 Configuration Manual
Cisco mds 9000 family cli configuration guide - release 4.x (ol-18084-01, february 2009)
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Chapter 58
Troubleshooting Your Fabric
S e n d d o c u m e n t a t i o n c o m m e n t s t o m d s f e e d b a c k - d o c @ c i s c o . c o m
To configure the network simulator to delay all packets entering the Gigabit Ethernet ports 2/3 and 2/4
by 100 ms (round-trip), follow these steps:
Command
Step 1
switch# ips netsim delay-ms 50 ingress
gigabitethernet 2/3
switch# ips netsim delay-us 50 ingress
gigabitethernet 2/3
Step 2
switch# ips netsim delay-ms 50 ingress
gigabitethernet 2/4
switch# ips netsim delay-us 50 ingress
gigabitethernet 2/4
switch# ips netsim delay-ms 0 ingress
gigabitethernet 2/3 gigabitethernet 2/4
switch# ips netsim delay-us 0 ingress
gigabitethernet 2/3 gigabitethernet 2/4
Simulating Maximum Bandwidth
You can configure the network simulator to restrict the maximum bandwidth in a single direction.
Simulating a maximum bandwidth less than that provided by Gigabit Ethernet allows you to control the
pacing of packets through the network. So simulating maximum bandwidth in this way actually gives
you an idea of the actual bandwidth across a WAN link (for example, an OC3).
You can specify the allowable bandwidth range in either kilobits per second (1000 to 1000000) or
megabits per second (1 to 1000).
To configure the network simulator to limit the bandwidth in a specified direction, follow these steps.
Command
Step 1
switch# ips netsim max-bandwidth-kbps
4500 ingress gigabitethernet 2/3
switch# ips netsim max-bandwidth-mbps 45
ingress gigabitethernet 2/3
OL-18084-01, Cisco MDS NX-OS Release 4.x
Purpose
Configures the network simulator to delay all
packets entering the Gigabit Ethernet port 2/3 by 50
ms.
Configures the network simulator to delay all
packets entering the Gigabit Ethernet port 2/3 by 50
µs.
Configures the network simulator to delay all
packets entering the Gigabit Ethernet port 2/4 by 50
ms.
Configures the network simulator to delay all
packets entering the Gigabit Ethernet port 2/4 by 50
µs
Disables network packet delay simulation.
Purpose
Configures the network simulator to limit the
bandwidth rate to 4500 kbps for the Gigabit Ethernet
port 2/3 in one direction only.
Configures the network simulator to limit the
bandwidth rate to 45 mbps for the Gigabit Ethernet
port 2/3 in one direction only.
Cisco MDS 9000 Family CLI Configuration Guide
IP Network Simulator
58-25
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Troubleshooting
