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助理工程师
 
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Just want to give a quick reply -- Thanks to hh101.com
* E% `" C# t1 q3 g: m. W( o4 D' HMy strategy on TT as following, it is proven worked with 1000 scored. " e& n, k: w' I5 m
0 ^& G& u# V- ?! B: d& V# KIPv6, use R3#sh ipv6 ospf neig:
. D v3 Q7 ]1 c: O$ \ 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”.
: I$ q( d$ g- R& z if has neighbor with Serial int.
9 k/ {( `7 |# f if has 2 neighbors (Tunnel, Serial). }0 m" Y$ o+ l. D8 Y( r7 h
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If it is IPv4 first ping from client1 ip 10.1.1.1. If OK:
" q4 x. o" R G+ P& h R1#sh run: if there is extended access list.5 H( q, V+ O" l) P
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.7 C* R) q" [- a; U7 q
If ping from client1 ip 10.1.1.1 not OK ping 10.1.1.2. if OK:4 V- x" p; |: ?0 N& ? @: L
To be sure check R2 int to R1, you will see the “ip ospf authentication message-digest” command. [( G4 l5 o w
If ping from client1 ip 10.1.1.1 & 10.1.1.2 not OK ping 10.2.1.1. if OK:* |$ u; m: P+ }% i6 @% p& S) t0 }
Use R4#sh ip EIGRP neig and check if it has neighbors. Also you will see ospf -> eigrp statement with errors.1 l7 |5 m% R% `
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.
/ B8 y; k/ X* v* kIf ping from client1 ip 10.1.1.1 & 10.1.1.2 & 10.2.1.1 not OK:
" \) R3 ~7 D2 G- s, Q9 U0 J DSW1#sh run, you will see vlan filter command.
" [3 m/ q/ ~1 ?) }4 n1 X/ I4 b DSW1#sh run, you will see at vlan10 wrong Ip helper address.
& S q* z, V& B7 X# N( C' P) V 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
% g7 C" F1 G* B ASW1#sh run, you will see wrong vlans. Also the F1/0/1 is down: to check it use ASW1#sh ip int brief. ( W# P( B5 B, r
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