Exam Code: CFG: LAB1、LAB1+、LAB2、LAB2+、LAB3
TS: TS1(5 sets)、TS2(3 sets)
DIAG:DIAG 1~DIAG 8(8 sets)
Certification Provider: Cisco
Certification Exam Name:CCIE Routing and Switching Lab
Update Date: Mar 28,2024
Fix: I think, this is not to let me PASS, then reconfigure and fix it.
Automatic generation of EUI-64 format (standard 64-bit)
Disable
Note: If the error message is not executed during the transmission, use the command sync to save the configuration. After restarting the router (preferably turn off the power), you can execute the tftpdnld command.
Application layer: A layer in the TCP/IP stack that supports network applications and provides an interface to interact with the local operating environment.
Return from privileged mode to user mode
OSPF is basically pre-configured. When configuring DR/BDR, pay attention to cle ip ospf pro. However, the version requires that "network" cannot appear, so I delete it and enable it on the interface.
c) Anycast address
Interface serial 0
basically two hours. After two hours, the disconnection must be
Or default to: cisco2-C2600
Ip ospf x area x
I have encountered some problems in the project, but I have really benefited from the systematic understanding, experimentation and several people's discussion and understanding of the experimental results.
I learned the packet structure of ipv6. Now let's learn about the routing protocol of ipv6. This part of the knowledge is also very important in routing and switching.
Which contains: BridgeID = Bridge Priority + MAC address
efficient problem solving in networks that use cloud services, carry
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Passive-interface
Problem:Server 1 can not get ip address.
Materials:
SW3#show ip dhcp snooping
Switch DHCP snooping is enabled
DHCP snooping is configured on following VLANs:
none
DHCP snooping is operational on following VLANs:
none
Smartlog is configured on following VLANs:
none
Smartlog is operational on following VLANs:
none
DHCP snooping is configured on the following L3 Interfaces:
Insertion of option 82 is enabled
circuit-id default format: vlan-mod-port
remote-id: 0018.b9da.5300 (MAC)
Option 82 on untrusted port is not allowed
Verification of hwaddr field is enabled
Verification of giaddr field is enabled
DHCP snooping trust/rate is configured on the following Interfaces:
Interface Trusted Allow option Rate limit (pps)
-------------------- ------- ------------ ----------------
Q1:Which material is most helpful
Q2:which packets can help you find the cause
Customer just setup a IPv6 Network, with HSRPv6 on R1 & R2. After setting up, all hosts lose connection.
What would you recommend to your L1 Engineer as a Quick Fix?
CE1 key configuration
standby 1 priority 200
standby 1 preempt
ipv6 nd router-preference low
CE2 key configuration
standby 1 preempt
ipv6 nd router-preference high
I think it is a rouge device because I don't see any problems with the HSRPv6 config. PCs are configured with "ipv6 enable", "ipv6 autoconfig"
The R1 have a "ipv6 nd-preference high" and R2 have "low" if I'm not wrong.
How fast fix the problem?
¡ Shutdown the link between CE2 and PE2.
¡ Shutdown the link between CE1 and PE1.
¡ Configure CE1 with highest HSRPv6 Priority.
¡ Configure CE2 with highest HSRPv6 pirority.
¡ Configure CE2 with low HSRPv6 priority.
¡ Shutdown CE1 interface e0/0.
¡ Shutdown PE2 interface e0/0.
¡ Disable fast-switching on CE's LAN.
¡ Enable fast-switching on CE's LAN.
¡ Change HSRPv1 to HSRPv2 version
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