1. Question: Can access controlbe deployed at the same time as SC? Answer: Yes, two scenarios are supported with the same SDN deployment using the same SDN switch. 2. Question: Can SDN's SC scheme routing pattern and transparent mode be deployed at the same time? Answer: Yes, service nodes in different modes can have the same service chain.

1. Question: What happens when ONC adds a device by configuring a new public property? Answer: Command is valid for subsequent new additions and for devices that have been added. The corresponding device needs to be selected for modification. 2. Que

1. Question: What is the difference between the SDN Cloud Campus Access Mode and the Kernel Mode? Answer: Access mode: Using a port security scheme, legitimate users form static ip+mac bindings on the port. Gateway mode: Turns off dynamic arp l

1. Question: After logging is turned on, is there any syslog file in the directory? Answer: It’s need half an hour cache in or after the restart can be viewed by the way of cisco sdir. 2. Question: How do I resolve an input command interrupted by a

1. Question: Two users who want the same SSID cannot access each other, does port protection on the switch take effect? Answer: When two users are connected to two different APs on the same switch, configuring port protection on the switch can achieve

1. Question: What is the SSH login username? Answer: When configuring SSH, if the local database is not called, then the user name can be arbitrary when ssh logs in, the password is Cisco Router #line vty 0 4 Router (config-line) #transport input

1. Question: Configuring login local does not have a username and password configured Answer: it will cause the device to fail to log on especially ten configured line console 0. At this time, it can only do password recovery. 2. Question: Line cons

1. Question: The meaning of the dot 1 q tunnel interface's untag and tag Answer: Untag refers to the use of the untag vlan tag and forwarded when you want to send a data frame. Tag means to keep the original vlan tag and forward it. 2. Question: Mat

1. Question: When the port appears CRC, drop, error, oversized. Answer: Physical replacement test that to determine if there is a problem at the physical level, you can also check whether the mtu value is too small and whether there is a vlan tailored.