aircraft
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How can I config multi switch port efficiently?
Accepted answer
5 votes

You can use interface range to select multi continuous ports. sw1(config)#interface range fastEthernet 0/2 -24 sw1(config-if-range)#shutdown

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How can the Cisco Packet Tracer show the port's name?
5 votes

You can set the Interface in Cisco Packet Tracer menu Options -> Preferences -> Interface, then check the Always Show Port Labels in Logical Workspace.

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How can I ping with source option in Cisco Router?
4 votes

You can use the ping command for choosing Extended commands options: Router#ping Protocol [ip]: Target IP address: 10.0.12.1 Repeat count [5]: 10 Datagram size [100]: Timeout in seconds [2]: ...

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After I set the "router rip" networks, how can I check it?
4 votes

You can show running-config to find the config: Router#show running-config | begin router rip router rip network 10.0.0.0 network 12.0.0.0

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How to show a Juniper interface bandwidth usage?
3 votes

Just use the command: show interfaces ge-0/1/1 extensive | match bps then you can get what you want, it should be like this: >show interfaces ge-0/1/1 extensive | match bps Link-level type: ...

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My Switch's SVI is down
Accepted answer
3 votes

In general, if you add a SVI, you should add the relevant Vlan. in you scene, you should add vlan 100 in the config mode: #(config)vlan 100

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I limit the port INGRESS but get packet loss
Accepted answer
3 votes

I found the issue : [edit firewall] policer limit-50m { filter-specific; if-exceeding { bandwidth-limit 50m; burst-size-limit 15k; } then discard; ...

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Can not create sub-interface like `interface gigabitEthernet 2/1.100`
3 votes

The GCR routers do not support the sub-interface in Packet tracer, you can change your router to a high-level router, such as ISR4321, then you can create easily for experiment: RT1(config)#interface ...

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What's the meaning of "3D Universal Edge Routers"?
Accepted answer
3 votes

3D Universal Edge Routers is Juniper Network's Series Product name. you can find more info in there. 3D means a physical, you can touch's product, it contrast to virtual product. Universal means its ...

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Interfaces named with `ge` represent what?
3 votes

It means Gigabit Ethernet. See more in wikipedia

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Why is the BGP base on TCP 1027 rather than 179?
2 votes

In general, the BGP use TCP 179 port as the BGP service. the client connect BGP service port there is no limit. such as the SSH server use 22 as its port, there is no limit for the client port.

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The Switches can not get through by both FastEthernet switchport.
2 votes

You can not use the straight-through line, you should use the Copper Cross-Over to connect two quits network device. You can found more information in there Use crossover cables for the following ...

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How to check a Switch GE port's link-type?
2 votes

You can check it in the Port, your second method is right. if you did not configure the port to access or trunk, there will not shows it. if you configured there will shows link this: [Huawei-...

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Do throughput rates include corrupt packets? Is throughput = packet loss + good packets or is throughput = good packets?
1 votes

In computing, bandwidth is the maximum rate of data transfer across a given path. the bandwidth contains the bidirectional data transfer, your doubt is corrupt packets. if the packets transferring ...

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%OSPF-4-ERRRCV: Received invalid packet: mismatch area ID, from backbone area must be virtual-link
1 votes

I tried your post experiment, when I in one area to assign R3's interface to Area1, the R2 will get this Error Receive logs. But if you in R3 no router ospf 1, then launch a new OSPF process, and add ...

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What's the Destination unreachable ICMP packet(ICMP payload the UDP) usage?
0 votes

Your displaying packet is a message sent via ICMP. the message means from router's DNS response to your mac unreachable. 192.168.2.1:53 -> 192.168.2.228:55166 You can check your firewall on your ...

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How can a IP under a VLAN communicate other VLAN's IP?
0 votes

If you want to use Server0 communicate to the 10.10.10.0/24, you should meet the below conditions: Switch0, Switch1, Switch2 all should have the vlan 100 and vlan 501. Switch0 have two SVIs: vlanif-...

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Why Do we consider the serial connection between routers a subnet?
0 votes

Forward traffic by gateway IP address is router's function, every network(such as VLAN) has gateway IP address on router(or third layer switches) , the router every port has different network's IP. ...

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Is a networking loop considered a DoS attack?
0 votes

From Wiki we can know the definition: In computing, a denial-of-service attack (DoS attack) is a cyber-attack in which the perpetrator seeks to make a machine or network resource unavailable to its ...

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Cisco Router GigabitEthernet interface can not add ip address?
0 votes

The CG-Mech product you should pay attention, from the document: all the port, no matter FastEthernet or GigabitEthernet if you want to configure ip address, you should set no switchport firstly.

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