Cisco Systems ISR4451XK9 manual Verifying Network Connectivity

Chapter 4 Initial Configuration

Verifying Network Connectivity

Verifying Network Connectivity

This section describes how to verify network connectivity for your router.

Prerequisites

•Complete all previous configuration tasks in this document.

•The router must be connected to a properly configured network host.

SUMMARY STEPS

1.enable

2.ping [ip-address hostname]

3.telnet {ip-address hostname}

DETAILED STEPS

	Command or Action	Purpose
Step 1
	enable	Enables privileged EXEC mode.
		• Enter your password if prompted.
	Example:
	Router> enable
Step 2
	ping [ip-address hostname]	Diagnoses initial network connectivity.
		• To verify connectivity, ping the next hop router or
	Example:	connected host for each configured interface to.
	Router# ping 172.16.74.5
Step 3
	telnet {ip-address hostname}	Logs in to a host that supports Telnet.
		• If you want to test the vty line password, perform this
	Example:	step from a different network device, and use your
	Router# telnet 10.20.30.40	router’s IP address.

Examples

The following display shows sample output for the ping command when you ping the IP address 192.168.7.27:

Router# ping

Protocol [ip]:

Target IP address: 192.168.7.27

Repeat count [5]:

Datagram size [100]:

Timeout in seconds [2]:

Extended commands [n]:

Sweep range of sizes [n]:

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 192.168.7.27, timeout is 2 seconds:

!!!!!

Success rate is 100 percent, round-trip min/avg/max = 1/2/4 ms

	Hardware Installation Guide for the Cisco 4451-X Integrated Services Router
OL-27644-01		4-19