CCNA 1 Module 10
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1
Device Name
Identifies the router in the network.
2
Privileged EXEC Mode
Access level for configuration commands.
3
User EXEC Mode
Basic access level for monitoring commands.
4
Telnet
Remote access protocol for routers.
5
SSH
Secure protocol for remote router access.
6
Enable Secret
Encrypted password for privileged mode.
7
Console Line
Local access line for router configuration.
8
VTY Lines
Virtual terminal lines for remote access.
9
Service Password Encryption
Encrypts plaintext passwords in configuration.
10
Banner MOTD
Message displayed upon login to router.
11
Running Configuration
Current configuration stored in RAM.
12
Startup Configuration
Configuration loaded from NVRAM on boot.
13
Interface Configuration
Settings for router's network interfaces.
14
IP Address
Unique identifier for a device on a network.
15
Subnet Mask
Defines network and host portions of IP address.
16
IPv6 Address
128-bit address for devices on IPv6 networks.
17
No Shutdown Command
Activates a router interface.
18
Link Status
Indicates operational state of an interface.
19
Show IP Interface Brief
Displays summary of IP interface status.
20
Show IPv6 Interface Brief
Displays summary of IPv6 interface status.
21
Description Command
Adds context to a router interface.
22
GigabitEthernet Interface
High-speed Ethernet interface type.
23
Administrative Status
Indicates whether an interface is enabled or disabled.
24
Protocol Status
Indicates whether the interface protocol is operational.
25
GigabitEthernet0/0/0
Router interface with IP 192.168.10.1.
26
GigabitEthernet0/0/1
Router interface with IP 209.165.200.225.
27
Vlan1
Virtual LAN interface, currently unassigned.
28
IPv6
Internet Protocol version 6 for addressing.
29
show ip route
Command to display IPv4 routing table.
30
show ipv6 route
Command to display IPv6 routing table.
31
MTU
Maximum Transmission Unit, 1500 bytes default.
32
Bandwidth
Interface speed, 100000 Kbit/sec for GigE.
33
Line Protocol
Indicates if the interface is operational.
34
Default Gateway
Router address for forwarding packets to other networks.
35
Proxy ARP
Enables ARP requests for other subnet addresses.
36
ICMP
Internet Control Message Protocol for error messages.
37
Access List
Filter for controlling traffic on interfaces.
38
DAD
Duplicate Address Detection in IPv6.
39
IPv4
Internet Protocol version 4 for addressing.
40
Subnet
Segment of a network defined by a mask.
41
show interfaces
Command to display interface statistics.
42
show ip interface
Command to display IPv4 interface details.
43
show ipv6 interface
Command to display IPv6 interface details.
44
Link-local Address
IPv6 address used for local communication.
45
Broadcast Address
Address used to send packets to all devices.
46
Helper Address
Address used to forward DHCP requests.
47
ICMP Redirects
Messages sent to inform about better routes.
48
Queueing Strategy
Method of managing packet transmission order.
49
5 Minute Input Rate
Average incoming traffic over five minutes.
50
5 Minute Output Rate
Average outgoing traffic over five minutes.