From: Magmax (magmax@bigpond.net.au)
Date: Sat Apr 15 2006 - 20:16:57 GMT-3
Guys,
I was doing one of the my last lab and I came across follow issues
Q1. R6 -- BB1 -- R2
All these routers are connected by Ethernet (R6) or fast Ethernet ports
Interface connected to R6 was trunk port (allow only required vlan) and make
vlan 263 native
R6 config
Interface ethernet0/0
No shut
Interface ethernet0/0.6
Encapsulation dot1q 6
Ip address 193.7.6.6 255.255.255.0
Interface ethernet0/0.263
Encapsulation dot1q 263 native
Ip address 193.7.6.6 255.255.255.0
Switch Config (SW1 port 6)
Interface fastethernet0/6
Switchport trunk encapsulation dot1q
Switchport mode trunk
Switch trunk allowed vlan 6,263
Switch trunk native 263
Problem
From R6 unable to ping backbone router or R2
I don't know what I did wrong here but I found my self in miserable
situation and since I thought it was core component of my lab and I never
recovered after that
Can anyone tell me any useful commands to troubleshoot this issue?
Apparently on normal Ethernet interface if you take out native keyword it
will work and also from switch config it works
I wasted 2 hours on this........ Imagine if it was real lab exam :(
Q2.Where can I find NTP in Cisco documentation DVD (under what section)
A.I still believe NTP is still confusing topics and I always forget the
right way
Q3.Another question sometime practice labs are unclear about when they say
advertise R1, R2, R3 loopback in OSPF
Does this mean I need to redistribute them or configure in ospf areas (my
common mistake)
Q4.Where are VLAN access maps in documentation DVD?
Happy Easter everyone :)
Regards,
Ubaid
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