Solve Depends in Ubuntu: aaa ( lt; 2.31) butbbbistobeinstalled often fails to update the package in ubuntu, or Depends: aaa ( lt; 2.31) may occur when some files are deleted by mistake) butbbbistobeinstalled solution... depends: aaa (aaa (
, which is intercepted by the owner proxy and encapsulated through a IPv6-in-IPv6) tunnel to the current transfer address of the mobile node. When a mobile node receives a packet encapsulated by a IPv6-in-IPv6, it sends a binding update message. If the entry LER receives the Binding Update message from the mobile node, it initiates the LSP operation between the entry LER and the exit LER.
The IP-in-IP tunneling technology of the original Mobile IP protocol has a high header overhead and heavy lo
MPLS, IPSEC, and SSL analysis MPLS leased line MPLS (Multi-Protocol Label Switching), Multi-Protocol Label Switching. * Multi-Protocol refers to MPLS's support for multiple network layer protocols, such as IP, IPv6, and IPX. It is also compatible with multiple link layer technologies, including ATM, frame relay, Ethernet, and PPP; * label exchange is to attach a
Key knowledge points in this document:
Principle of CSPF Route selection
Parameters that have an effect on the CSPF path selection
How does the MPLS te display path be established?
cspf--constrained SPF (shorest path tree). Is the core of Mpls te path selection, as we already know, the functions of Mpls te are:
1, Information Release 2, path calculation and
This article is about troubleshooting MPLS ldp.
Two devices establish direct-attached LDP neighbors:
R2 and R3.r2 's interface Giga 2/0 and R3 interface to establish the LDP's direct-link neighbors.
First, review the LDP's neighbor establishment process:
LDP utility is the UDP/TCP Port 646来 discovers the neighbor's. So in the future troubleshooting, if the two sides can ping, but can not build a neighbor to check whether the port has been sealed
What is the premise of using MPLS traffic engineering for CISCO? or MPLS te configuration logic:
Cisco IOS software version that supports MPLS traffic engineering.
The network needs to start CEF.
The link state protocol used as IGP OSPF or Is-is. Only these two protocols can support TE. (OSPF provides a class tenth LSA to propagate related TE information).
Th
In the traffic engineering of MPLS TE, it is divided into the following aspects:
1, the release of information
2, the calculation and establishment of the path
3, traffic forwarding in the tunnel.
So here to understand the path calculation and build, first of all to understand how SPF is working, and then see what is CSPF (constrained SPF). In order to establish the calculation of the path is a good understanding. In detail, why do you want to lea
[Idea case]H ow to search a aaa+ movie on the internet?[Mars]Design and implement a special Search-engine (SE) for it. I have a good mean for the design of this idea are to improve my MSQL parser and SE, and make it easy-to-implement this ID EA, I think it also may do some AI solutions during implementing this idea, and maybe it would make MSQL upgraded to be A Big-data-and-ai language which may include the basic features of the database, Search-engin
Example taken from
Question: calculate a + AA + AAA +... + Aaaa... A (x A), where the values of a and X are input from the keyboard, for example, input a = 1, x = 3, equivalent to 1 + 11 + 111
Note:
1. Find the implementation rule of AAAA.
2. Find the Implementation of A + AA + AAA.
Package COM. jue. addition; public class testaddition {/*** @ Param ARGs */public static void main (string [] ARGs) {/
Question: calculate the value of S = a + AA + AAA + AAAA + AA... A, where A is a number.For example, 2 + 22 + 222 + 2222 + 22222 (a total of 5 numbers are added at this time), and the addition of several numbers is controlled by the keyboard.
Package WZS. arithmetics; import Java. io. bufferedreader; import Java. io. ioexception; import Java. io. inputstreamreader; // question: S = a + AA + AAA + AAAA + AA
Configuration successful. If debugging is successful!
Hongyi # show run
Building configuration...
Current configuration: 4655 bytes!! Last configuration change at 04:47:29 UTC Sun Apr 25 2004 by tonyxue! NVRAM config last updated at 04:47:50 UTC Sun Apr 25 2004 by tonyxue!Version 12.3:Service timestamps debug datetime msecService timestamps log datetime msecService password-encryption!Hostname hongyi!Boot-start-markerBoot-end-marker!No logging consoleEnable secret 5 $1 $ nyjl $3Q7avJNhGMGg9h8S3
/* For the sum of the first 5 items of sn = a + AA + AAA + AAAA + AAAAA, where A is a number, for example: 2 + 22 + 222 + 2222 + 22222*/#include int main (){int i = 0;int a = 0;int sum = 0;int num=0;scanf ("%d", num);for (i = 0; i {A = a * ten + num;sum = sum + A;}printf ("%d", sum);return 0;}Output Result:224690Press any key to continueThis article is from the "51cto" blog, be sure to keep this source http://51cccto.blog.51cto.com/10251929/1709000Fin
In the configuration of the V5 H3C MSR router, including the V7 H3C switch, the AAA local user right can be modified by Authentication-mode level 1/2/3 To modify the user's configuration permissions. In the new MSR Router V7 version, the level option is not available and only the local user rights are configured through user-role 650) this.width=650; "src=" Http://s5.51cto.com/wyfs02/M00/78/43/wKioL1Z5DK6yW17_AAAqEyG8A8s229.png "title=" ori@_ 2js[je9
Program:The sum of the first 5 items of sn = a + AA + AAA + AAAA + AAAAA, where A is a number, for example: 2 + 22 + 222 + 2222 + 22222#include int main (){int i = 0;int a = 0;int sum = 0;int num=0;scanf ("%d", num);for (i = 0; i {A = a * ten + num;sum = sum + A;}printf ("%d", sum);return 0;}Results:224690Press any key to continueThis article is from the "Rock Owl" blog, please be sure to keep this source http://10742111.blog.51cto.com/10732111/171199
Example of RADIUS authentication, authorization, and billing configuration for 18.6.3 802.1x users
In 802.1x authentication, the use of remote RADIUS servers is the most commonly used AAA access control, and the RADIUS server can not only realize the required authentication of 802.1x users, but also authorize and charge them. This example topology, as shown in Figure 18-6, uses a RADIUS server that is widely used by the H3C company to develop the IMC
1 Introduction
The structure of MPLSMultiprotocol Label Switching protocol is described in [1. A label exchange router can be used for Frame Relay switching. Frame relay switches the routing algorithms at the network layer, such as OSPF, IS-IS, and forward data based on these routing algorithms. You do not need to select a specific frame relay path.Frame Relay switching applies to the top-level current tags in the first DLCIData Link Connection Identifier Field of the frame relay data Link layer
R0 creates a tunnel to R1 to enable multicast. It's very simple to scale up and you can see the configuration at first glance. Wvrp has passed.
R0
#Sysname quidway#Multicast Routing-enable#Mpls lsr-ID 1.1.1.1MPLSMPLS teMpls rsvp-teMPLS te CSPF#Interface ethernet0/0/0IP address 192.168.1.1 255.255.255.0PIM SMMPLSMPLS teMPLS te max-link-bandwidth 10000MPLS te max-reservable-bandwidth 5000Mpls rsvp-te#Interface null0#Interface loopback0IP address 1.1.1.1
?? In the network environment, in order to isolate and divide the network, avoid inter-network interference and broadcast storms, define a variety of forms of isolation. There are hardware-based isolation and network protocol isolation, as well as the isolation of subnet segments (subnet masks).?? MPLS and VLAN isolation, based on the software protocol, there is a certain hardware technical support, with these two tags of the packet, before or after t
When there is no peer VRF route, VRF uses MPLS *** to transmit routes to each other ,. After the PE routers at both ends use IGP (PIPE) to build a neighbor, a small pipe (*** V4 cluster) is built in the pipe for ** communication MPLS ** key points: IGP physical links and lo interfaces must be built through BGP large and small water pipes, and reflection must be configured under small water pipes.
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