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: Sep 12,2025
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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Ip address 2003::1/64 ability to solve problems. Even after I finish the exam,ine ccie rs lab cram session, I can only Even if you have tested the CCIE for routing and switching, you may not be able to do the right thing. =========================================================== =============== The network configuration of the two servers A and B is as follows. The subnet mask of the B server should be 24 bits. Now it is accidentally configured as 27 bits. Can they still communicate normally? OSPFv3 is developed based on OSPFv2. The principle of OSPFv3 is the same as that of OSPFv2. Configure the corresponding interface without sending any notifications Configuring and Verifying Cut-Through Proxy Authentication (2) Related industry manufacturers Encapsulation frame-relay NA: Source IP is 2001::1 Destination IP is FF02::1:FF00:0001 1.Server mode Create a system name from the 20 Hao VLAN Sending CDP packets every 60 seconds ( every 60 made second transmitting cdp packet ) After a while, at the end of 2000, I received an interview notice from a CISCO gold agent. After several phone interviews, I finally started the system integration work that I had been waiting for for a long time. I finally saw the real CCIE. At that time, our company had four or two companies in our department, and we were fortunate to work together. At the time, they talked about how to analyze OSPF.
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