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 17,2025
Source——————group number The source address in IPV6 must be a unicast address.
Troubleshooting OSI Layer 3 and Layer 4 Inspection
Into Fast Ethernet Wang 0/1 Interface
IPV4 and IPV6 cannot learn from each other through re-release, only through NAT-PT
2. with set ACL reject absolutely london to Ping through Denver (1)
Transport layer :
Configure local username
As if the neighbor and passive-interface configure , then it neighbor will not be affected by passive-interface restrictions .
Show ip access-lists
Fix: I think, this is not to let me PASS, then reconfigure and fix it.
Switchport mode trunk
This question is left to you to answer, hehe
But I spend a lot of time on understanding the needs, that is, the understanding of "biting and chewing", and even thinking about how to use these in practical application scenarios.
What are the characteristics and advantages of IPV6 compared to IPV4?
1. Segmentation : Broadcast domain division
15s
Lesson 3: Configuring Cisco ASA Adaptive Security Appliance Routing Features
IP: The protocol at the Internet layer that provides logical addressing and routing capabilities.
Personal episode:
1.CONSOLE PORT ( management console interface ): distance limit , exclusive way .
VTP is a messaging system . Ensures that all switches in the same management domain network following a VLAN
will be nowhere in sight, and the ccie certificate you get will be
R14(config-if)#encapsulation ppp
(2950/3550 : show spanning-tree)
The PC obtains the 64-bit prefix and then uses the EUI-64 format to generate the port ID based on the MAC.
15s
Q: Since you got multiple CCIE qualifications,ccie lab questions and answers, what projects have you done and what role did you play in it?
1. TCP/IP model and OSI model.
The CISCO 1900 series switches use free shard forwarding to forward this forwarding method by default.
Sending CDP packets every 60 seconds ( every 60 made second transmitting cdp packet )
Enable
FF02::1:FF00:0001 FF02::1:FF00:00002
Lesson 4: Configuring Cisco ASA Adaptive Security Appliance Active/Active High Availability
sub-psychological gap has come out. I dare not face such a situation. I
Debug ppp authentication
Interface fa0/24
FRAME-REL A Y
=========================================================== ===============
Assigned for this sub-specific interfaces of PVC. ??? is a PVC number .
1. Transmission area ( backbone area ) 2. Common area ( non-backbone area )
Show interface trunk
RA 64-bit prefix gateway
22. In general, how many spanning trees does the L2 switch have?
work. There are many pressures on many aspects. The word struggle needs to be interpreted in a lifetime!(This is recommended for everyone to learn a good website for CCIE routing and switching, security, big data, etc.)At
Change console baud rate? y/n [n]: y (select yes)
Configuring and Verifying Cut-Through Proxy Authorization
2. Enable RIPng protocol ipv6 router rip xxx (process name)
Enable password
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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