deployed with protected ports cannot communicate with each other.
If you configure pvlan on a layer-3 switch and the layer-3 switch is still a DHCP server, you need to configure a multi-layer switch hybrid port (that is, int VLAN *).
When configuring a DHCP server on a multi-layer switch, you must configure the VLAN interface address of the VLAN where the host is located, because DHCP uses UDP, dhcp on the vswitch finds the DHCP network segment corresponding to the VLAN Interface and assi
is performed on the specified port of the DP (designated port), and the port will not change. It will only be DP, which can prevent the newly added switch from becoming root, the port becomes a permanent DP. If the newly added vswitch wants to become root, its port cannot work until the new vswitch requests complete Rp. Show spanning-tree inconsistentport
Root guard configuration (interface mode ):
Spanning-tree root guard (3750: spanning-tree guard root)
This feature must be configured on a
Is there any use for RHCSA certification? First of all, to understand the Red Hat Linux certification system, RHCSA is a Red Hat certification system in a junior certification, the content is mainly focused on system management, relatively simple, similar to the Oracle certificatio
Label: style blog HTTP Io ar SP on 2014 log Pgmp certification (program management professional) is another authoritative project management certification launched by the American Project Management Association (PMI) following PMP. Pgmp®PMP Advanced Certification is a strong proof of knowledge, skills, experience and leadership that matches senior project manage
Microsoft certified Wuhan Test Center:
1. Wuhan Ruiqi Information Technology Co., Ltd.Address: 6f, Lushan Hotel, no. 1, yuyu Road, Wuchang, WuhanTel: (027) 87653191,87883101-1638,1398653345Fax: (027) 876531912. Wuhan jiadu Microsoft Advanced Technology Training CenterTel: 027-87878283Fax: 027-87878025Contact: Jiang Chuan Xi Feng Li Bu Jing HongAddress: Room 304-305, third floor, Administration Building, Wuhan branch, Wuchang xiaohongshan Chinese Emy of Sciences
Microsoft
Singing certification conditions:
1, engaged in singing, dance, art performance, music, modeling and related work;
2, with authoritative media on my honor, the introduction of the report;
3, have a certain network popularity, network reds, and media certification;
4, in the singing of the dissemination of my true video mv;
5, singing a singer-grade of more than three level F more
The RedHat certified engineer (RHCE) RHCE is a RedHat company authorized certification that provides a variety of options for users who learn Linux technologies. Among the various international technical certification systems, the biggest difference between RHCE certification and Its value lies in the emphasis on the practical hands-on Testing Methods of trainees
Asp.net| Security
The first three articles in the CSDN forum after the announcement, the effect is like "immortal fart--really different from every (counter) ring." In order to thank the broad masses of netizens enthusiasm and support, this is not, after a while of brewing, cultivation, deliberately prepared the fourth ring.
We have previously described the use of form authentication to achieve a single sign-on, as netizens said, can only be used under the same domain name. For a single sign-on
This chapter complete source address: Https://github.com/kwang2003/springcloud-study-ch09.git 1. Project Summary The content of this chapter is based on the seventh chapter of the code as a https://github.com/ Kwang2003/springcloud-study-ch08.git. Through the eighth chapter of the study, we have already based on JWT upgraded OAuth2 authentication server, in this chapter, we will give the previous Zuul gateway plus OAuth2 authentication function, so that all access after a security
At present, the Enterprise user's certification instructions do not support arbitrary personalization or modification. In order to better show the identity of the enterprise, improve the identification of enterprises, enterprise certification user certification of the field display as the full name of the enterprise license. If your current
Asp.net| Security
Code write N long, always want to write something else. That's not, it says. In consolidating two projects, making single sign-on (single Sign on), it is also known as "sign-on". After consulting the relevant documents, finally realized, now take it out and share with you. Perhaps people will ask: "This is inconsistent with the title?" "Don't worry, before I write, I think about some of the problems I had when I was using Form authentication, and some of the techniques I used i
Abstract access authentication is a method that the Web server can use to negotiate authentication information with the Web browser. It applies a hash function to the password before it is issued, which is more secure than the HTTP Basic authentication sent in clear text. Technically, Digest authentication is a MD5 cryptographic hash function application that uses random numbers to prevent password parsing. It uses the HTTP protocol.First, the basic process of summary
Introduction to oau2's certification, oau2's Certification
1. Introduction to oau2certification(1) Principle diagram of oau2's authentication:
2) Introduction: oau22. oau2is an open standard that allows users to allow third-party applications to access private resources (such as photos and videos) stored on a website, contact List), without providing the user name and password to a third-party application.
money to pay tuition. Therefore, on the issue of CMM certification, there are three more influential focus on all software industry experts, scholars and discussions held. The first is the 2000 Zhongguancun Computer Festival, the second is the "Computer World" in Beijing on March 29, 2001 in the "Software industry CMM application High-level Forum" seminar, the third time this September 22, "China Computer Science and Technology Forum for Young People
[Overview] in the highly competitive certification Market, Linux certification (RHCE) is different from Microsoft's certification exams. Microsoft dominates the Windows certification world and the number of people passing Microsoft certification exams is incredible, however,
https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux_Hardware_Certification/1/html-single/ Test_suite_user_guide/index.html
Red Hat Enterprise Linux Hardware certification Test Suite User Guide the Guide to performing Red hat Hardwar E Certification
Edition 2.0 Gary CaseRed Hat, Inc. hardware certification gcase@redhat.com
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Recently, I want to resume my weekend and wait for the summer vacation. Although reading is more difficult than reading, it is quite interesting to have a group of students talk about it together. I once found that I like to keep my schedule full, and I feel a sense of fullness, but my classmates are better at reading books, working, preparing for various certificates, and pulling me to take the exam together, so I also looked at the computer certificate.
Currently, the computer
Recently, I attended classes while I was working, and I had to wait for the summer vacation to resume my weekend. Although reading is difficult, it is quite interesting to have a group of students talk about it together. In the past, I found that I like to fill my schedule with a sense of fullness, but my classmates prefer reading books, going to work, preparing for various certificates, and asking me to take an exam together, so I also looked at the computer certificate.
At present, the compute
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