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发表于 2017-6-19 22:41:04
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其實這兩個由Packet Tracer 做出來的TT 很容易明白. 真的這麼難?
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給你一題DHCP Helper-address 的TT, 版主之前巳上載來. 我現在再給你考試時的show run configuration 內容 DSW1 和 ASW1
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5 n* @( F) s: @, t4 t& FAns 1 : DSW1
" M! O# M9 \' `9 I: o! S9 `Ans 2 : IP DHCP Server 或 DHCP 或 IP Helper! d! r6 `9 n! [8 \ U
Ans 3 : on DSW1 delete 'ip helper 10.2.21.129' and apply 'ip helper-address 10.1.21.129' command." I% {: A% O! z; G% ]2 F
& i& P: |2 `9 v8 n T" ~3 W這題主要看DSW1, 但要小心ASW1內, 會出現好像port security 的問題, 但其實是在DSW1的ip helper. : c X7 {9 ^! ]4 t% }! i
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這題是一定出的, 你留心看這兩個檔內容, 這題你一定可以KO它.
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DSW1 :; ?- G0 d* D! I1 G @4 j" G! V
DSW1#show run
- f7 @. [. ?) v5 j2 J5 F2 NBuilding configuration...
2 ]* ^2 e/ _/ _3 H0 L
+ `/ x; Z0 F. B* I$ B/ [. X6 YCurrent configuration : 5834 bytes& i8 h8 R% m1 ^- {2 E) P
, b# {8 Z- [5 L/ @- [version 12.2+ p2 L/ z2 N8 h2 e( q, R/ T
no service pad* n" c3 i H% |8 I; j& I5 ~$ B1 T1 _
service timestamps debug uptime
# h7 m$ s+ [. H- f# L4 R. @service timestamps log uptime( f# ?! l2 ~- ]6 D2 ^0 ^
service password-encryption
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8 ?. }1 T1 Z# F$ @4 ^+ ^; Whostname DSWl5 D. t8 X# F) w- g; X. M! W1 T
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no aaa new-model/ L( l: W3 x+ _. z
memory-size iomem 55 N) b2 A* O5 S) m& T
* O) p3 y2 c; h ?# N
ip cef
. ^ H, u" s3 i: C0 jno ip domain lookup m! q) N/ j1 b3 j
2 k" m( a! l& E k+ f7 o
ipv6 unicast-routing
1 f9 s- S% M E
! L% Q1 d% q9 `1 \, H/ csystem mtu routing 1500
( ~3 c" l3 E7 _5 x# Lvtp mode transparent
/ E) k3 ~# ?1 i+ g+ ? M" w( Wip subnet-zero
: x+ X6 B- ?+ F- jip routing
4 O: U; [# K; k4 n. q& e0 H1 F+ D- @: g- @0 ?! ?1 R
spanning-tree mode pvst
. \9 o5 S- h% _ o% K0 Aspanning-tree extend system-id
8 X) G" c: x) k% Z. G- Z" [+ e# `7 U0 e/ S( s
vlan internal allocation policy ascending' _& T" Z, s# o3 r
4 f8 f/ Y; f# p5 F/ {# r* M gvlan 10,20,200
! k W: n1 C) q8 V% K) _8 h# c( y# L4 t, R6 N1 A! s8 Y# a
vlan internal allocation policy ascending
# w: E1 v- m n" J3 k1 S
$ { M) v. D: e6 Rtrack 10 ip route 10.1.21.128 255.255.255.224 metric threshold
. E8 g+ v/ M3 U0 `threshold metric up 61 down 62
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interface Vlan 10
4 ]3 b1 q' }. E" C ip address 10.2.1.1 255.255.255.0
; d/ Z- E3 G( E: H" P$ o, s4 ? ip helper-address 10.2.21.129
+ K; G' j& Q; ^8 e+ M- V* m8 x standby 10 ip 10.2.1.254
' M$ m9 ~0 c; F; [- ?3 j8 V4 r standby 10 priority 200- k, V$ F# J/ H2 W% T
standby 10 preempt, J4 M) }* d' ]4 Y4 \6 n" W
standby 10 track 10 decrement 60
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1 V0 O+ x& f, ?% a3 g) A1 ?3 zinterface Vlan 20
! G5 j4 y6 L$ V ip address 10.2.2.2 255.255.255.0
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interface Vlan 2009 J! n( I9 ~- D! J/ t! U; M- S
ip address 192.168.1.129 255.255.255.224
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* \" N# M/ P7 ~* Z. _. e2 [interface PortChanne1124 S/ U, I1 j" f( t5 ?( Y
description Link to DSW2+ d) j: Y2 o E" w/ n, {. L3 @
no switchport
+ l( _4 s2 L2 f5 c- ^) R ip address 10.2.4.13 255.255.255.252
1 Y1 y7 i6 |% G8 u' p5 b ipv6 address 2026::3:1/1221 h& R: L9 w& Y/ q l
ipv6 rip RIP_ZONE enable# A& \9 v" L; j& t) F
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interface PortChanne113
1 y) _: L, }' V: A' O switchport trunk encapsulation doth
" i7 |( o* q% A7 `5 C: g) V: F switchport mode trunk1 x5 u# Z& |. ^3 [8 r- u
switchport trunk allowed vlan 10,200$ F2 v) ^, l) L) N, U' G) x
- `# q1 ^6 U0 c4 m( S4 T
interface PortChanne114
' e" B: w/ W7 d3 n1 U7 N4 O6 ~! a switchport trunk encapsulation doth' j m$ ~0 Y$ w# _0 a2 Y
switchport mode trunk) Q) x5 I s* i1 e1 P; t
switchport trunk allowed vlan 20,200. a' D- [" m& h J3 b+ ]
) D: K6 ^% P+ vinterface FastEthernet1/0/1
1 y- v! x5 W0 R: m7 _: K/ c8 B description Link to R4
4 T6 {& a7 x6 V no switchport+ s8 e, k3 U( c+ l' v$ ]0 C" t
ip address 10.1.4.6 255.255.255.252
) }7 c1 O d. A, G ipv6 address 2026::2:2/122. A* w7 k8 J# P: S6 ~+ b6 R
ipv6 rip RIP_ZONE enable: F9 S8 s% c/ P. k& X4 B
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interface FastEthernet1/0/190 B8 Z% v/ n2 D' u" Z H" i
channel-group 13 mode active+ q3 x" U! r0 y d8 _
switchport trunk allowed vlan 10,200! E* H9 u9 n0 _# w1 `* d
switchport trunk encapsulation dot1q
4 U' d( S, B0 U! Q& ~4 F4 ?( S: k2 c switchport mode trunk
6 e) |: M$ B" J% ^/ z+ T" } duplex full$ z" l! R) i$ H- N# H0 V
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interface FastEthernet1/0/20
7 V! |3 A b# F! D8 b) a channel-group 13 mode active7 a( d9 d+ ]/ z- H! c- b3 d
switchport trunk allowed vlan 10,200
# S5 B% U0 n$ @2 H switchport trunk encapsulation dot1q
7 T x9 u; c4 a2 p* Y switchport mode trunk8 y( @1 j' g' w, ^6 n# u( y
duplex full
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interface FastEthernet1/0/21; l; h6 t1 L9 `* |% w
channel-group 14 mode active
8 l1 U! b4 w; s- s8 ` switchport trunk allowed vlan 20,2007 s/ v m6 q, {4 |; O3 S; \
switchport trunk encapsulation dot1q
$ P/ K, f7 U1 N# \; n" c6 H switchport mode trunk+ D5 V- K" ?8 y, h' W
duplex full9 v! R% O! O7 @% ^$ `# G
# r5 N7 V& Q4 s$ Yinterface FastEthernet1/0/22" n# Y% T, i' o: b
channel-group 14 mode active5 ]. }4 u, L i- Q+ W" ^, q" G
switchport trunk allowed vlan 20,200
f t! O: s' X, [8 @- h1 m switchport trunk encapsulation dot1q( U. }1 D& f+ L
switchport mode trunk
0 u7 W3 ~+ S1 n, k$ _" Q duplex full
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interface FastEthernet1/0/23% r: p' Z& J( ~7 w5 b# K+ E
no ip address
7 v( o2 H1 [- j channel-group 12 mode desirable; q, A- n$ v% k# _9 q
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interface FastEthernet1/0/24
4 m- H( J) g2 { no ip address
7 o, I+ ] l* Z7 X- G; u; g4 H channel-group 12 mode desirable
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router eigrp 10
: }) F+ \, v& S network 10.0.0.0! r) ~, V" Y. ~& }! J
network 192.168.1.0# y& |- Y: |* k
no auto-summary7 B5 \) M/ P# `# {/ Y
# ~. {/ u2 V& c [no ip http server4 @- M1 N U, k# H4 y2 Q3 k. e
no ip http secure-server6 M0 n- [: Y9 v Z0 e' @
( E2 l) j" h2 s6 ^2 ~ipv6 router rip RIP_ZONE
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control-plane
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8 `5 h6 D2 q% |- G% ^$ l5 H; Pline con 0
9 f, S! Z" |) l" z2 e. P5 Y* x+ {' D exec-timeout 0 0
9 _2 v, h d3 e# J logging synchronous
* c c3 @8 S, X- u8 w2 `line aux 0
* f8 g& `7 g/ {( ^! Vline vty 0 4% ~6 D, q/ o$ f- F) A; A% ?/ u( C
login6 r+ e8 s K$ E8 Z
% @' P5 ~3 f7 r( ~: U& R4 yntp clock-period 17179905& y: |$ J, @! D$ J
ntp server 10.1.21.129$ ^8 `! L% M+ o: Y0 h8 b$ F& e
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end; z j* h4 P. L. } |9 Y6 |
DSW1#
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ASW1 : % m' F! G( Q" N) N4 W$ T" {3 }
ASW1#show run
: S. F% T9 X; e# h$ P7 C4 c; r. bCurrent configuration : 5594 bytes4 R5 F1 V# k1 t% `3 i! M
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version 12.20 {- s9 J, ]; c1 g: _: Q: x" M
no service pad
; f+ P+ r$ |% G- Y. r2 p' Lservice timestamps debug uptime2 w5 b; g4 k3 t0 T5 I: W7 a& S* q
service timestamps log uptime
7 J. R( J; `) R4 @) o2 B$ Ono service password-encryption
% h9 Q, m6 t4 g& d$ {) f* q% ]1 s! l! t
hostname ASW1
0 a: t7 L% e+ {4 q# Y: [9 k* |2 A7 V. a5 ]+ N
no aaa new-model
8 d; P1 e2 ]9 I: V9 P% @vtp mode transparent G4 y+ o' ^( A9 K- \7 T
ip subnet-zero
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U4 U% h2 L& M1 Lspanning-tree mode pvst. D4 A& r% I; |1 q9 p6 U
spanning-tree extend system-id5 n' R% K: j1 n3 ?6 x
0 F# f5 e; p1 o% |
vlan internal allocation policy ascending
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+ o* E, A/ I( l% `8 Z: K+ I. p1 m' Kvlan 10,200/ y2 {* G8 p1 e. r3 x
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interface Port-channel 137 ? m( s0 v) f' \( t% g
switchport trunk allowed vlan 10,200
$ V, G) M, j$ n: A switchport mode trunk
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interface Port-channel 23. v( P7 _6 R9 z3 J. `: w
switchport trunk allowed vlan 10,200
8 U2 v- N% U$ H, H6 ` switchport mode trunk
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P+ O- l* U' d2 S9 ?5 L, Vinterface FastEthernet1/0/1
" k2 Y% B1 H0 @/ G+ G1 j& I: w# k description Link to Client1* ]3 @5 ]. }! z. o
switchport mode access, ~8 E ]7 J5 e/ G
switchport nonegotiate& n) a! \1 D6 |8 L, u6 y% \
switchport access vlan 107 S" C' E; B* Y5 `3 Y
switchport port-security
2 Q: g6 U+ H4 f" u9 ~6 r8 J$ g: D switchport port-security mac-address aabb.cco0.04008 v2 q% t0 E% k
spanning-tree portfast0 b% {2 D) y- O
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interface FastEthernet1/0/2( n( s0 ]) z+ F0 T
description Link to Client2
9 M6 v: O) B% Y6 }* ^9 t switchport mode access3 h$ V. w5 \: M9 t- O' ~" m
switchport nonegotiate1 E; e4 V& o7 I* l8 I8 N; Q' S8 x9 B) T
switchport access vlan 10
3 V+ ^% B3 B0 \% a; A& G spanning-tree portfast
# }. {7 L7 _( ?$ J9 d1 D1 b
- S1 k' t9 y3 [. ]- @6 G4 ?- Rinterface FastEthernet1/0/3
7 T2 ?" e# N: R: H, w' |4 G5 V& c3 n# l6 m
interface FastEthernet1/0/40 `( Z& x* q; p( n( o6 D( P5 W
! t( u8 W$ D. o {5 N4 r4 ?
interface FastEthernetl/O/S
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7 t- r2 I. ?1 Hinterface FastEthernet1/0/6
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" }* ^& Y. z* n! V# Ainterface FastEthernet1/0/7
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interface FastEthernet1/0/84 m& _/ l' p" f+ Y* r8 _
* I1 ]" U" @" C8 n& b uinterface FastEthernet1/0/9
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interface FastEthernet1/0/10
' }; C3 c+ G' v6 {1 H/ \( u! s
0 ~/ i" f: c, t! O5 E4 g; Uinterface FastEthernet1/0/11- i# Z0 c2 B- T# f% q
7 g9 J$ t( k" J+ b
interface FastEthernet1/0/12
8 A1 Q, O, ?/ ]# E. I- L5 i
& J& ^8 Y, r7 t6 b; c6 G$ K7 sinterface FastEthernet1/0/13" u! x) z9 K! b2 `+ }7 `
; S" g% g7 U$ a8 Q/ G- ^! Y2 }% A
interface FastEthernet1/0/14
$ F! r0 M* r9 ?3 a# R* P7 `4 m$ G9 }- r
interface FastEthernet1/0/15
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interface FastEthernet1/0/16
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interface FastEthernet1/0/17
, L' Y2 y; {4 m c
5 g1 S- ?9 `: B, j3 finterface FastEthernet1/0/18
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interface FastEthernet1/0/19
5 K* p5 F9 q3 ?) [; z# l R& j channel-group 13 mode passive) ~% a8 J. B- J* y+ i7 s
switchport trunk allowed vlan 10,2000 \/ T6 A6 @1 N( f) E
switchport trunk encapsulation dot1q F& Z# A, b/ ^" w3 K9 G S
switchport mode trunk
/ \4 Z. q Y9 r. u duplex full
4 O- l3 x" u' K/ n
1 R F- f3 w! N! sinterface FastEthernet1/0/20
# R/ ?9 g+ Q+ Q7 o: F* } channel-group 13 mode passive
6 w! R1 C4 Z8 [5 m N1 g switchport trunk allowed vlan 10,200. D9 H8 ~8 J C9 C0 o: q% U
switchport trunk encapsulation dot1q
; S5 B& Z6 U4 [9 y: w6 V! c switchport mode trunk( Q: t/ ^' W: u0 }, V" R/ h
duplex full6 h. Y- t4 j- {: P
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interface FastEthernet1/0/21
5 C& v) }) L, t9 g" }4 Q channel-group 23 mode passive
# }/ t* m/ f: U& R0 } switchport trunk allowed vlan 10,200
. z2 \" ^1 [1 [/ v# i switchport trunk encapsulation dot1q0 ]7 f3 {7 q6 M# \' V0 B
switchport mode trunk7 u: ?" g& ?4 k; d7 V! ^8 C
duplex full8 V/ W+ @( ^8 e4 x
8 H8 X; z' A2 O* Ginterface FastEthernet1/0/226 _8 @7 q3 \* R3 [1 J
channel-group 23 mode passive
- H9 }* o: c8 O1 c* l7 Y7 z switchport trunk allowed vlan 10,200
, N* k, ~. L- n; d switchport trunk encapsulation dot1q
$ t% A- R: U x7 \9 L switchport mode trunk
, A. j7 v9 v0 q$ `' {8 a; g9 E' T duplex full: s) ` J- F7 W! I* f: s7 S- A
8 A4 T5 d8 r9 i# |! v& t, m* _interface FastEthernet1/0/23
1 a% q" W5 v+ r
7 I: v& [) T5 D- sinterface FastEthernet1/0/24
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interface GigabitEthernet1/0/1
- e: J# H5 o1 N! P# o [( `3 t0 o/ u3 Y5 ?, ]
interface GigabitEthernet1/0/2
- j: q; Z$ t7 x1 `+ q
/ r& k5 d& t9 i5 J winterface Vlan200
) S, [% o R8 }. t ip address 192.168.1.131 255.255.255.224+ d! p8 c, k; e3 r) r6 h
1 t5 _) `! V# f5 D* H P: W5 }ip classless2 f, R0 M4 |; v/ w" x7 T
& I( R3 B( Q3 w/ R6 ?5 a6 f8 D
line con 0
. t' I2 `4 `* r j/ G p) m+ Cline vty 0 4
5 P8 B6 s. U' Q' B login
* l2 M3 ]8 x8 I4 X# u) q; j+ H: V
( ]" B+ s! |. } Y( Dntp server 10.1.21.129
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end
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地板
2017-6-19 22:41:04
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