|
发表于 2019-4-25 11:11:45
|
显示全部楼层
第5题,我的答案是 B0 N' O& f) w |7 D$ ~8 H, Y+ a
以下是我的理解分析,如有错误,欢迎各位大神批评指正
: M% Y; a2 U! S2 M x
5 R8 r% G) }. {! wQuestion 5
0 O7 v" d" g: x; r- TTwo hosts (PC A & PC B) in the same subnet (IP addresses 10.10.20.10 & 10.10.20.30, both /24) connected to Layer 2 switches each (using ports g0/5). The layer 2 switches connect to other switches which connects to a Multilayer (L3) switch.6 s: P: |' o6 L( f6 W8 h5 r
What is the reason PC A cannot reach PC B?
e5 L5 s3 ^& X/ J7 d" \2 `A IP routing is not enabled in the L3 switch
; `. A+ O5 l$ ]% u) VB Interfaces g0/5 of the switches are in different VLAN' D0 w& Y ?8 e& S/ A; R; T. [: O) E6 D
C PC A and PC B are in diffetent subnets. N, u* Z7 p5 d4 M0 I( ]0 v( _" T7 n
D ………(cant remember)
- Y& ~ A; ]" p: q3 e7 u% c7 Z) z( P% k5 h) f9 l2 V. K3 h
首先,题目描述的拓扑图,我的理解应该是这样的: X8 R! }$ h" d& a Y. D
7 W& o9 x8 D2 a& \/ z
ASW1' M) N3 L7 U* ~8 ^8 j
ASW1
4 s/ c$ x& M8 B }5 p- y
" V$ x% y) j4 ^8 ?$ M8 p
ASW2
" h% y( @+ i: o- g$ o1 H
ASW2
4 ^* h. _6 B9 D( z T u; P5 E, W
5 c5 ^9 n. D7 o5 @: _5 e当ASW1 E0/0 与 ASW2 E0/0 处于同一VLAN时能ping通
9 \" G n! ^2 a, c' d
PING通
: [% b/ F% T8 v6 u
; K# @/ y/ }; S- k; Z% c" K" U& P |' j2 r' U
当ASW1 E0/0 与 ASW2 E0/0 处于不同VLAN时,不能ping通
7 ?8 T" Y5 k4 C. i% [/ s1 K. x* m
ASW1 VLAN 10
ASW2 VLAN 20
ping不通
0 g% @/ o( A3 ]% z* y2 M5 N" T0 k
( J, V& w0 M0 O9 h3 j: ~5 S& m# Q5 }
附本次实验的 eve 环境4 E& L# Q* T4 C5 E
300-135 Q5.zip
(3.68 KB, 下载次数: 1)
% |+ b/ a% Z5 t7 |9 W) i- K) q& ?3 S/ ^' K3 F8 t/ n' b1 Z7 E% A
|
83#
2019-4-25 11:11:45
回复(0)
收起回复
|