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助理工程师
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Just want to give a quick reply -- Thanks to hh101.com# ~, [5 x3 _( m p7 c0 R
My strategy on TT as following, it is proven worked with 1000 scored. 2 K9 J4 o4 B/ Q, n5 |
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IPv6, use R3#sh ipv6 ospf neig:
% v, m9 @ y" B/ ]9 @ 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”.6 |, ~! e: f! u, I+ r/ t
if has neighbor with Serial int.
" ] M9 f+ |. W if has 2 neighbors (Tunnel, Serial).7 y8 e6 q4 s" V* V* r, ~& M
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If it is IPv4 first ping from client1 ip 10.1.1.1. If OK:
: J( V! }' z6 j) m5 l+ M/ S- v4 e R1#sh run: if there is extended access list.# Z- o3 f& h: {/ ]% E
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.8 o. t0 o% Z! y& d
If ping from client1 ip 10.1.1.1 not OK ping 10.1.1.2. if OK: }' {3 S* t1 i7 B& u6 w9 f
To be sure check R2 int to R1, you will see the “ip ospf authentication message-digest” command.
# w2 o6 f' P) q8 vIf ping from client1 ip 10.1.1.1 & 10.1.1.2 not OK ping 10.2.1.1. if OK:
6 ]$ j% Z* d9 {4 w* N Use R4#sh ip EIGRP neig and check if it has neighbors. Also you will see ospf -> eigrp statement with errors.0 C$ ]' L/ L) ]) ~4 p' m
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 D2 T6 g+ i, MIf ping from client1 ip 10.1.1.1 & 10.1.1.2 & 10.2.1.1 not OK:& x6 @' ^. X! B0 s( ~
DSW1#sh run, you will see vlan filter command.: W3 A; i; `0 e# M2 E/ q) q
DSW1#sh run, you will see at vlan10 wrong Ip helper address.
6 B2 A) }6 Y& o9 m 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
$ F! L2 ~0 a6 K- r# h- D# v! E ASW1#sh run, you will see wrong vlans. Also the F1/0/1 is down: to check it use ASW1#sh ip int brief. * \5 ]% P3 m2 a3 m
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