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alias associates a command with another name, e.g. if you associate 123 with 456, then you type 456 equals 123
greate and delete, create or delete something, sorry I don't understand.
exit exits the command line.
help Help.
list of files.
password Change your password.
ping test network connectivity command.
prompt to quickly convert users.
reboot restart.
remove the deleted file.
reset the device.
size atm.
traceroute via the cmd command, which tests the unalias disassociation of each hop of the ping.
Verbose turns redundancy mode on or off.
It doesn't feel like there's a lot of functionality...
It can only achieve a simple operation of the routing cat or something.,Usually you don't have to move these.,The device is hung up and you can find the reason here.。
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Command Description.
Alias Pseudonym Directive.
The app is for configuration profiles.
Provision Implement actively configured flash.
Create Creates a new specified type.
Delete Deletes the specified entry.
Exit Exit the CLI
Checklist List of documents.
Modify Modify to the specified information entry.
Password Change the user's password.
ping command to test network connectivity.
Fast Quickly switch users.
Reboot Restart your device.
Delete Deletes the file.
Reset Resets the information for the specified item.
Size ATM (Asynchronous Transfer Mode) information size.
Trace a normal traceroute command.
Trigger Trigger setting
Cancel Alias Cancels the previously defined alias.
Verbose On Turn off redundancy mode.
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It is better to be mermaid than to be fished by man.
You can refer to the following Huawei command set.
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Most commands are automatically generated by the system. You can leave him alone.
The main concerns are internal ports, external port addresses, static routes, and OSPF routes. Firewall packet filtering lists, etc.
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Hello, if you need cisco information, hi m me, thank you.
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OSPF routing protocol.
Two routes, two regions.
Ethernet segments. Serial port s0
The serial ports are connected through the OSPF routing protocol, that is, the WAN is communicated.
The router separates the network segments, and of course the LAN is not available.
Personal opinion, please correct the latecomer).
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router (config) ho rsr20-3 Change the hostname of the router to rsr20-3
rsr20-3(config) int f0 to enter the f0 sub-interface.
rsr20-3(config-if) ip add Configure the IP address.
rsr20-3(config-if) no shut open port.
rsr20-3(config) int f0 to enter the f0 sub-interface.
rsr20-3(config-if) ip add to configure the ip address.
rsr20-3(config-if) no shut open port.
rsr20-3(config) int s0 0 0 enters s0 0 0 serial port.
rsr20-3(config-if) ip add to configure the ip address.
rsr20-3(config-if) encapsulation frame-relay enables frame relay encapsulation.
rsr20-3(config-if) no frame-relay inverse-arp disable iarp
RSR20-3(config-if) frame-relay LMI-type Cisco sets LMI type to Cisco
rsr20-3(config-if) no shut open port.
Judging from this fateful order, it should be buried in the experiment of point-to-point sub-interface frame relay.
If you don't understand anything, please ask.
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Rename the router ho to the hostedname abbreviation.
Establish a sub-interface under the F0 port as Mingzao Xin 70 and enter the 70 sub-interface.
Let the IP address of the 70 sub-interface be and the subnet mask is .
Enable 70 sub-interfaces.
Establish sub-interface 80 under the F0 port and enter sub-interface 70.
Let the IP address of the 80 sub-interface be and the subnet mask is .
Enable 70 sub-interfaces.
Enter the S0 port.
Set the IP address of port S0 to Subnet Mask.
Enable encapsulation of Frame Relay under the interface.
Turn off reverse ARP, that is, do not go back to the excitation wheel to ask for the IP information of other devices, of course, the query can only be through reverse ARP
Under Interface, specify the frame-relay encapsulation pin type as cisco
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Clock rate 64000 ——— sets the clock rate of the DTE, and the DCE needs to receive this rate to synchronize with the DTE.
DCE (Data Communication Equipment or Data Circuit Terminal Equipment): This device and its connection to the communication network constitute the user network interface of the network terminal. It provides a physical connection to the network, traffic, and a clock signal for synchronizing data transfers between DCE devices and DTE devices.
Both modems and interface cards are examples of DCE devices.
DTE (Data Terminal Equipment): refers to a device located on the user side of the user's network interface, which can be used as a source, a host, or both. A data terminal device is connected to a data network by means of a data communication device (e.g., a modem) and typically uses a clock signal generated by the data communication device.
Data terminal equipment includes computers, protocol translators, multiplexers and other equipment.
There is a post on specific DTE and DCE:
Router rip ——— enable the RIP routing protocol, which is a dynamic routing protocol that shares routing information between routers.
Network All——— declares all up ports to the RIP routing protocol, so that this information will be known by other routers running RIP so that the routing information is shared and can be communicated.
S0 1 for ROA is DTE and S0 1 for ROC is DTE
The ROC is synchronized with the ROA, and the ROB is synchronized with the ROC. ROC is already synced with ROC, so it doesn't need to.
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50 permit ip host!Traffic that meets the IP address and destination address is allowed to pass through, and the ACL number is 50
60 permit ip
Traffic that satisfies the IP address and the source address and destination address is allowed to pass through, and the ACL number is 60
80 permit ip any
IP traffic is allowed to be satisfied, all traffic with a source address of 80 can be passed, and the ACL number is 80
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ACL50: Allows the network mask to access the host.
60: Allow network mask to network mask communication (the command you see from **?) )
80: Allows (as such) arbitrary access to all other networks.
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