1) A single-line connection (Ethernet interface) between two routers can use a next-hop gateway or a forwarding interface. 2) if the target network does not have a unique network topology, only the next hop can be used. 3) if there is a WAN line between the two routers, it is best to use a forwarding interface.
View swapped MAC address book command: show mac address-table (interface/vlan/) show mac address-table | include/exclude "" show
The Internet has already come into our work and life. With the deepening of information technology in life, buying train tickets, buying financial products, and even applying for a credit card all need e-mail boxes. Our daily life has become increasingly inseparable from e-mail. Today, the editor would like to introduce electronics with a very long history.
First, install clamav file 1. Use the rz-y command to upload to / usr/local/src directory 2. 0. Create the clamav group groupadd clamav3. Create clamav user useradd-g clamav
1. Please write the line order of 568A and 568B: T568A white green, green, white orange, blue white blue, orange white brown, brown T568B: White orange, orange white green, blue white blue, green white brown, brown 2. What is layer 3 switching and what is the difference between talking and routing? Three layers
BGP function: between different large networks, transmit a large number of routes in a stable way for a long time and achieve flexible route control, at the same time, ensure the working process of loop-free BGP: 1, establish neighbor table; 2, synchronize database; 3. Calculate routing table BGP routing principles: 1.pref
First open the registry: run-regedit:HKEY_LOCAL_MACHINE\ System\ CurrentControlSet\ Control\ Terminal Server\ Wds\ Repwd\ Tds
How to choose a SSL certificate there are many important factors for you to weigh when choosing a SSL certificate. The first factor is whether you want to protect multiple domain names or a single domain name? Is the subdomain name the same? Many certificates are limited to the number of domains and subdomains and physical servers. Need to protect multiple sites (different primary domain names, such as
After a bitcoin node receives a block, it will checksum and confirm. Refer to the network diagram as follows: the key is to see the further verification code for the transactions in the block: 1.Unip / First transaction must be coinbase, the
Ultra-long distance and ultra-large capacity wavelength division multiplexing system 2U+1U equipment is a miniaturized, low-cost, high-speed, large-capacity wavelength division multiplexing transmission system introduced by optical technology, the number of channels can reach 40 waves, the highest rate of single channel is 10Gbit/s, and the total capacity is 400Gbit.
Wildcards:., *, +,? Range character:-exclusion character class: ^ positioning character class: ^, $span character class:\ {ndirection m\} Select character class: | grouping character class: ()
The AirTight AP/SensorAirTight Wi-fi/WIPS solution provides decentralized deployment and centralized management capabilities so that enterprises with distributed offices can easily and easily manage devices and policies. The deployment of AirTight is mainly available
MBSA 2.1 bulk scan script attachment: http://down.51cto.com/data/2367203
Disclaimer: 1. The software used in this paper comes from the Internet. The author only uses the software for learning purposes without any software distribution behavior. two。 The configuration shown in this paper is only applicable to the experimental environment, and it is not recommended to use the exact same configuration in the production environment.
Network configuration 1. View ip address [root@luck_lyb Desktop] # ip addr show ens33 interface status hardware IPv4 address and subnet broadcast address, range, device name IPv6 information 1) Ip command reality about network performance
1. Experimental topology: 2. Experimental requirements: 1. Intranet: connecting R2 interface G0UniPax 2 is a layer 3 interface, while other interfaces are layer 2 interfaces; R1, R2, R3 deploy default routes to USG;2, create VLAN 10,202 on USG, and divide G0Uniq0 into VL
Discuz 3.4 is the latest version of discuz Forum, and it is also the most stable community forum system since X3.2 and X3.3. At present, officials have stopped updating and upgrading the old version of the patch, and have updated it directly on X3.4. Recently, our SINE Security is trying to secure it.
This article mainly introduces how to install onos-1.6.0 under Ubuntu16.0.4 system. 1 tools and materials Java8 JDKApacheMaven (3.0 and later) ApacheKaraf (3.0.5 and later) Git
Router IPSec V.P.N with dynamic crypto map (based on Cisco) R1 is the headquarters, R2 is the operator, and R3 is the branch office. In this case, R1 uses dynamic mapping, R3 uses static mapping, and f0max 0 of R3 uses dhcp to obtain dynamic IP addresses, so headquarters management
Ngx_lua_waf is a web application firewall based on lua-nginx-module (openresty). It is the first choice for small and medium-sized enterprises or enterprises that do not want to buy a hardware firewall, and can effectively ensure the security of the website. Source code: https://g
