Cisco 3945 User Manual

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Cisco 3900 Series, Cisco 2900 Series, and Cisco 1900 Series Integrated Services Routers Generation 2 Software Configuration Guide
Chapter Configuring Ethernet CFM and Y.1731 Performance Monitoring on Layer 3 Interfaces
Configuring a Network Interface Device on the L3 Interface
Router>enable
Router#configure terminal
Router(config)#interface gigabitethernet 0/2
Router(config-if)#port-tagging
Router(config-if-port-tagging)#encapsulation dot1q 10
Router(config-if-port-tagging)#set cos 6
Router(config-if-port-tagging)#end
Verifying the NID Configuration
Use the following commands to verify the port tagging sessions:
• show run int
• ping
Use the show run int command to display the port tagging sessions:
Router#show run int gi0/2
Building configuration...
Current configuration : 10585 bytes
!
interface GigabitEthernet0/2
no ip address
duplex auto
speed auto
port-tagging
encapsulation dot1q 10
set cos 6
exit
end
!
interface GigabitEthernet0/2.1101
encapsulation dot1Q 100
ip address 132.1.101.4 255.255.255.0
!
interface GigabitEthernet0/2.1102
encapsulation dot1Q 100
ip address 132.1.102.4 255.255.255.0
!
Use the ping command to verify the connectivity with port tagging configured:
Router#ping 132.1.101.3
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 132.1.101.3, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 1/1/4 ms
router#
Troubleshooting the NID Configuration
Table 1 lists the debug commands to troubleshoot the issues pertaining to the NID functionality.
The Cisco IOS Master Command List at
http://www.cisco.com/en/US/docs/ios/mcl/allreleasemcl/all_book.html provides more information
about these commands.

Cisco 3945 Specifications

General

Form Factor	Rack-mountable
Maximum Throughput	75 Mbps
Product Type	Router
Connectivity Technology	Wired
Data Link Protocol	Ethernet, Fast Ethernet, Gigabit Ethernet
Operating System	Cisco IOS
Flash Memory	256 MB
Network/Transport Protocol	IPSec
Remote Management Protocol	SNMP
Encryption Algorithm	DES, AES
Features	Firewall, VPN, Quality of Service (QoS), VLAN support
Interfaces	2 x USB
Security Features	Intrusion Prevention System (IPS)
Operating Temperature	32 °F to 104 °F (0 °C to 40 °C)
Storage Temperature	-4 °F to 149 °F (-20 °C to 65 °C)
Humidity	10 - 85% (non-condensing)
Memory	2 GB
Expansion Slots	4 (free) x EHWIC ¦ 2 x service module ¦ 1 x ISM ¦ 1 x CompactFlash Card