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助理工程师
 
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Just want to give a quick reply -- Thanks to hh101.com
1 X5 V) b/ B6 x e7 SMy strategy on TT as following, it is proven worked with 1000 scored.
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IPv6, use R3#sh ipv6 ospf neig:3 b/ O6 q1 o# D) ]; R% W% d
if the has neighbor with Tunnel int. To be sure check R3 int to R2, you will see the “ipv6 ospf 6 area 0” command”.
7 R P6 P' b# J if has neighbor with Serial int.
; k* @+ t2 y# g. } if has 2 neighbors (Tunnel, Serial).+ D& `* M: j% U6 `& ^6 A
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If it is IPv4 first ping from client1 ip 10.1.1.1. If OK:; L9 Z" E1 @/ b% I, R* ?& D/ V- S
R1#sh run: if there is extended access list., @4 \" c% x }- ] w0 N9 S; `
R1#sh run, R1#sh ip nat stat: check if S0/0/0 is nat inside or check if S0/0/1 with ip nat outside. ?! o" t: w5 y& k8 T
If ping from client1 ip 10.1.1.1 not OK ping 10.1.1.2. if OK:/ b$ s1 f6 V! E( R& }. ^
To be sure check R2 int to R1, you will see the “ip ospf authentication message-digest” command.9 l/ W: Q+ i c) |7 r1 [
If ping from client1 ip 10.1.1.1 & 10.1.1.2 not OK ping 10.2.1.1. if OK:$ q; O: e' ?/ f* J+ y7 f1 Y
Use R4#sh ip EIGRP neig and check if it has neighbors. Also you will see ospf -> eigrp statement with errors.
$ @* F+ Q# ?# s \* Q; d& w Use R4#sh ip EIGRP neig and check if it has no neighbors. Use R4#sh ip proto and check if it has passive interfaces.9 S5 \4 x3 ^2 a# F& j5 O/ l
If ping from client1 ip 10.1.1.1 & 10.1.1.2 & 10.2.1.1 not OK:
) U3 P7 c4 p) d( J5 f5 ~7 @ DSW1#sh run, you will see vlan filter command.
Z, _) B% i* y: [6 [ DSW1#sh run, you will see at vlan10 wrong Ip helper address.
& t: e# {# s# I# s ASW1#sh run, you will see the dot1q at F1/0/1,2. Also the F1/0/1,2 are up/up: to check it use ASW1#sh ip int brief
( c v9 J' D1 s6 | ASW1#sh run, you will see wrong vlans. Also the F1/0/1 is down: to check it use ASW1#sh ip int brief. 0 ~+ W0 \. d. Z. ?+ {7 {3 [
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