cdp highlighter

(example) System. datetime dt = System. datetime. now;Indexsearcher searcher = New Indexsearcher ( @" D: searchprovide " ); String Q = Keyword. text;Query query1 = Queryparser. parse (Q, " P_name " , New Standardanalyzer ());Hits hits = Searcher. Search (query1 );Timespan TS = System. datetime. Now. Subtract (DT ); String Results = TS. totalmilliseconds. tostring () + " Millisecond; found " + Hits. Length () +

InfoBar where the prompt cursor is located (the data value on the vertical axis) Note: Note that this is distinguished from the showtooltipgridposition value, which displays the coordinate value, where the data value is displayed Tooltipformatstring: '%.4p ',//tooltipformatstring with highlighter Useaxesformatters:true,//tooltipformatstring with highlighter Tooltipaxesgroups: [],//show only specified a

MAC addresses flooding To make the switch's Mac table full by simulating a large number of source MAC addresses can be solved by port security. VLAN hopping Access to other VLANs by changing the packet Vlan-id Strictly set trunk allow which VLAN to pass, put the useless port into the common VLAN (i.e. vlan1) Attacks between devices on a common VLAN Devices that belong to the same VLAN can also attack each other. Through the Pvlan to solve DHCP starvation An attacker sends countless DHCP re

not active at this time,But as long as the related interface is opened, the span will become active.The monitoring port is preferably> = the bandwidth of the controlled port. Otherwise, packet loss may occur. SPAN traffic -- span trafficUse a local span to monitor all network traffic, including multicast, Bridge Protocol Data Unit (BPDU), and CDP,VTP, DTP, STP, pagp, lacp packets. rspan cannot monitor layer-2 protocols. Traffic types -- traffic typeT

) # no cdp enableCisco831 (config-if) # exitCisco831 (config) # interface Ethernet1Cisco831 (config-if) # description connected to INTERNETCisco831 (config-if) # ip address 255.255.20.1 255.255.255.0Cisco831 (config-if) # no cdp enableCisco831 (config-if) # crypto ipsec client ezvpn hw-client! --- Apply the Easy VPN remote configuration hw-clientCisco831 (config-if) created earlier on the WAN interface used

dynamic hongyi_dynamic_map!!!Interface Ethernet0No ip addressNo ip redirectsNo ip unreachablesNo ip proxy-arpNo ip mroute-cacheHalf-duplexPppoe enablePppoe-client dial-pool-number 1No cdp enable!Interface FastEthernet0Ip address 172.16.0.10 255.255.255.0.0Ip access-group local_r0000inNo ip redirectsNo ip unreachablesNo ip proxy-arpIp nat insideIptcp adjust-mss 1452No ip mroute-cacheSpeed autoNo cdp enable!

of Cisco 2501-above Current configuration: ! Version 11.2: No service udp-small-servers No service tcp-small-servers ! Hostname above ! Enable secret 5 $1 $ O1aq $ Kxgp1A0Eulqug8SbCm6rdl Enable password cisco ! Username down password 7 095C5E19 Chat-script lab abort error abort busy abort "no answer" at h "OK" ATDT \ T" TIMEOUT 60 CONNECT \ c ! Interface Ethernet0 Ip address 192.192.193.1 255.255.255.0 ! Interface Serial0 Ip address 192.192.192.1 255.255.255.0 Bandwidth 64 Clockrate 64000 ! Int

MAC addresses flooding Simulate a large number of source MAC addresses to fill the Mac table of the switch You can solve this problem through port security. VLAN hoppingAccess other VLANs by changing the VLAN-id of PacketStrictly set which VLANs are allowed by the trunk and put unused ports in the common VLAN (that is, vlan1) Attacks between devices on a common VLANDevices belonging to the same VLAN can also attack each other.Solve the problem through pvlan DHCP starvationAttackers send n

troubleshooting.Second, restrictions on the protocol. To use the layer-2 routing tracking function, you must run the CDP protocol on all switches and interfaces in the network, and the CDP protocol must work properly. CDP becomes the Cisco Discovery protocol. It is mainly used to obtain the Protocol addresses of adjacent devices and platforms for discovering the

different internal addresses using different protocol Port numbers. This method is usually used for dialing Internet. Below is 2611 VroFor example, ConfigurationThe list is as follows: Current configuration: ! Version 12.0: Service timestamps debug uptime Service timestamps log uptime No service password-encryption ! Hostname 2611 ! Enable secret 5 $1 $ JIeG $ UZJNjKhcptJXHPc/BP5GG0 Enable password 2323 ipro ! Ip subnet-zero No ip source-route No ip finger ! ! ! Interface Ethernet0/0 Ip address

; (CatOS) display VTP domain and VTP Mode Show vtp status; (IOS) Show interface; (CatOS) display Management interface Information Show port; (CatOS) displays brief information about each port (number, VLAN, duplex ,...) Show interface; (IOS) Show trunk; (CatOS) displays the relay information (mode, encapsulation, allowed port, cropping ,...) Show interface trunk; (IOS) Show spantree 45; (CatOS) shows the STP mode, type, status, speed port,...) of the port ,...) Show spanning-tree 45; (IOS) 3. In

Currently, vrouters are widely used and users are not familiar with some routing settings. So I studied how to turn off unnecessary services in vro settings, disable insecure and unnecessary services on the VBR settings. Here, we assume that the vro is configured with ports Ethernet0 and ethernet1. Router (config) # no cdp run // disable CDP. CDP uses multicast a

time the vro must pass the KEY back and forth to authenticate itself and try to pass OSPF messages, the HELLO information package of the router is transmitted between routers every 10 seconds by default, which gives attackers a great opportunity to eavesdrop on the KEY, if attackers can snoop the network and obtain the KEY, the OSPF route information package may be forged. More seriously, these forged OSPF route information packets will be redirected blindly. Of course, these attacks are rare,

Mop7. use cdpCdp as little as possible. disable cdp on each interface to run cdp only when it is needed for management; run cdp only on devices within the control range. Do not use cdp on insecure links. For example: internet8. disable Integrated http background programs. By default, Integrated http servers are disabl

VLAN database is configured, you must enter exit to save it;VLAN troubleshooting: physical connection> Switch configuration> VLAN configuration;Physical connections include CDP and duplex;The Trunk is a link between two vswitches;802.1 p: Priority of the 802.1qTAG field;Tunnel requires two tags: one for the enterprise and one for the carrier. The carrier can transmit VLAN, CDP, VTP, STP, and other informat

-script lab broadcast 3631 Dialer-Group 1 No CDP enable PPP authentication chap ! Router rip Network l92.192.192.0 Nctwork 192.192.193.0 ! No IP classless IP Route 0.0.0.0 0.0.0.0 166.71.70.2 IP routc 192.192.191.0 255.255.255.0 166.71.70.2 Dialer-List 1 Protocol IP Permit ! Line con 0 Line aux 0 Modem inout Modem autoconfigure discovery Stopbits 1 Rxspeed 38400 Txspeed 38400 Flowcontrol hardware Line vty 0 4

abort error abort busy abort "no answer" at h "OK" ATDT \ T"TIMEOUT 60 CONNECT \ c!Interface Ethernet0Ip address 192.192.193.1 255.255.255.0! Interface Serial0Ip address 192.192.192.1 255.255.255.0Bandwidth 64Clockrate 64000!Interface Serial1No ip addressShutdown!Interface Async1Ip address 166.71.70.1 255.255.255.0Encapsulation pppAsync dynamic addressAsync dynamic routingAsync mode dedicatedDialer in-bandDialer map ip 167.71.70.2 name down moden-script lab broadcast 3631Dialer-group 1No

: GAUGE: 120: 0: NaNDS: cpu_wio: GAUGE: 120: 0: NaNDS: cpu_idle: GAUGE: 120: 0: NaNRRA: AVERAGE: 0.5: 1: 244 # RRA is the form of data storage, Data TablesRRA: AVERAGE: 0.5: 24: 244 # CF merge statistics include average, max, min, and lastRRA: AVERAGE: 0.5: 168: 244 #0.5 is xff, indicating that when the proportion of the missing data volume exceeds 0.5, the data is displayed as null.RRA: AVERAGE: 0.5: 672: 244 # PDP, a data point calculated, such as the AVERAGE value.RRA: AVERAGE: 0.5: 5760: 374

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. with_positions_offsets ); D. Add (f ); Writer. adddocument (d ); } // Use the term location information to save the highlight time. Void dostandardhighlights () throws exception { Highlighter = new highlighter (this, new queryscorer (query )); Highlighter. settextfragmenter (New simplefragmenter (20 )); For (INT I = 0; I { String text = hits.doc (I).