New TS, Old Diag, and NEW VARIATION A5

丝路明珠

7 K6 s: n& R6 a$ H2 vI got a lab exam a week ago. (not Bangalore)
& E( m3 r* }( _. f( bPASS/PASS/PASS = Fail
& L2 n5 D) c- B  j- h! f
I am from a non-English speaking country so I am not good at English.
/ v8 j2 b  L' S8 G( S) [* {I'm sorry if I do not understand.

Although TS and DIAG had delicate differences, they are being discussed at this forum, so omit it.
For the new version of A5, there were many questions to see for the first time.
I wrote my feedback and someone's.
) D4 [" R1 w+ S/ \/ }Finally, based on these feedback I wrote a set of settings for myself.

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Section 1.1
VLAN 999 was set for many interfaces, and it was shut down
6 r& r- Q) J/ LAll switches should be in Transparen.
# I# E: e% i1 w5 b
Section 1.2
( E, z6 I# l* s- V0 _: bIt consists of 3 instances
SW 3 uses odd VLAN as root, even VLAN as backup, using Instance 1
SW 4 uses even VLAN as root, odd VLAN as backup, using Instance 2
7 g9 r5 D! h& P2 X* E" vI did not understand the meaning I was saying
7 {4 }0 F2 F# @; ]1 U  }Between SW3 and SW4 is a trunk
All traffic is e2 / 1 use, not very clearly in memory. I do not have confidence.

0 |# r7 K' d  J+ p# u$ ^- Q* D( xSection 1.3
1 M. _, X) t# o4 x0 u+ TBuild etherchannel using Cisco proprietary protocol.
SW3 ans 4 is desirable, SW5 and 6 is auto.
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# k0 M3 @4 q1 g6 {+ j3 ~4 H) @Section 2.1
: i  O; M- o$ {! ?0 KRouter ID is 1 only
% t/ @; r% n, ?+ DIn the OSPF database in the data center, LSA type 2 does not appear
: a. Q8 S2 g7 o$ m0 D3 jThe same applies to IPv6 ospf
* y8 {# C, Z8 ^2 M) z& [. e
- X3 Z2 b( N2 M4 `" d2 kSection 1.4, 2.2, 3.1
R17 int e0/1, loop0, and tunnel0 is VRF Corp. but e0/0(to ISP) is non VRF.
8 G% d& f( H6 G$ V: A2 Y% `& GR19-21 int e0/0(to ISP), e0/1, loop0, tunnel0 is VRF Corp.
2 c+ b0 X$ X2 VR17 may use static route only once, but R19-21 can not it.
Do not change vrf.
SPOKE may not receive any other LSA type 3 from the ABR.

Section 2.11
; `# B5 w5 {9 Q7 N6 wUse Cisco proprietary protocol
use pim sparse mode only
7 S* |, H) {2 r$ H& j4 `" N2 zR17 is RP


etc
6 N7 `  V" W) Z; h6 I6 J  ZWe did not use GREEN, BLUE and RED.
use vrf DC, Corp and JacobsCorp
" G3 ^+ [, w+ [! UI was not asked to use SoO
( \- ~  u. z' Z% vSnmp-server Syslog setting was not requested
EIGRP TAG was also not requested
% b  e. I, P! ]9 Y  xLoad balancing between bases was requested.
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1 `3 h% g. S! z& H$ NBelow, feedback from others
  p9 M: \0 ?  K* e, X8 X4 \

new A5 feedback 1
all 4 switches should be in Transparent mode
( z4 P) K1 l4 Q: [trunking tag should be of 4 byte
MST config with 3 instances to be done
, R3 z- t1 _$ D5 B- i8 `- x- cSW3 eth2/1 should only pass vlan34 traffic other port should drop the traffic
R17 tunneland Loopback0 , eth0/1 in VRF CORP
R3 and R4 should be in vrf DC and R5,R6,R7,R8 in vrf Corp
All PE router should not send same routes to their neigh PE . use only route-map to accomplish this
not to use network command in DC under OSPF
5 m. E& |9 O3 e. f/ W' V% @trace from Sw1 to Vlan100 in SW3 should be load balanced in PE routers and CE routers
match o/p of sh ip bgp 10.0.0.0/8 via R15 and R16
R18 - redistribute bgp into ospf and R57 eigrp into BGP and use summ command only .
3 N2 p/ o( O; M! cR9 and R10 - mutual redis and avoid loop . dont use route-map , access-list and prefix-list
lo52 output given on R9 as ques and Bandwidth on loopback 1kbps dont remove and only R52 should be seen as external Eigrp with defined metric in O/p
R101 DHCP config o/p was shown having lease time of one day which you have to show
MPLS was preconfigured and only on R1 and R2 MPLS LDP command was missing.
All remote sites should have each other routes



3 \* c3 @& a% X0 q0 ?4 t) Mnew A5 feedback 2
# I/ T% H, z3 [3 @" K& OSolution :
3 P, c0 c/ y0 W* N& @3 l- BIf route map, prefix list, ACL is restricted, use distance command
If Metric in EIGRP should match as per the output in question, then play with K values

3. MST for L2
1 x; r" W. h- }) p7 i! [# Z* `! M4. PAGp for bundling
5. No Aggregation used between SW3&4 only (only trunk)
6. Just an  aggregate route (no summary) between R18 and R57 (not 100% sure if I get this piece correct, but the point to be noted here is there is a variation in this portion)
7. Most important all VPN sites name is changed no more RED, BLUE, GREEN

  [3 K. ?/ Z& J: a

new A5 feedback 3
R17 interface facing ISP (AS12345) doesnt have vrf configured.
There is normal BGP peering between them. We are asked not to change the BGP of r17
INT E0/1, LOOP 0, tunnel 0 of R17 have vrf Corp configured.
# ]% e# l* Z5 w+ F. X( ], X# xSpokes R19,20, R21 have vrf configured on E0/1, LOOP 0, TUNNEL 0.
" \- J& c# k# G- E8 l4 i  EWe are not allowed to configure any static routes here.
Instead we are asked to configure a single unique static route on R17.


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new A5 feedback 4
got new variation in jacob & jamesons..
in that on R17 ,R19, R20, R21
on R17 interface facing towards sw3 and loopback interface is in vrf
on all branch routers all interfaces was on vrf
% i8 q- U$ h0 q9 Pno static route is allowed to configure on R19 , R20 ,R21
: x5 F. H1 T& ?( k9 ?$ I2 Y7 ^but on R17 single static route is allowed to configure
4 o2 @$ [' U1 l2 u6 Uinterface facing towards internet was not in vrf on R17
and on branch routers there was also in vrf
on R18 and R57 there was aggregate address with summery only command to advertise routes
because of vrf veriation my datacentre was not working
+ x8 ]; x2 F% H% T
also on core routers question says that use route map to not advertise from redundant site instead of using
sie-of-origin attribute
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' {9 X. i1 T+ t1 @% A/ V/ x! ^Finally, based on these feedback I wrote a set of settings for myself.
/ j) s8 f4 Z& Y3 Y2 H# v$ BWhere there is no remembrance, we have put in the settings as before.
) n  A) y0 p; x4 b6 ~Please let me know if there are places that are wrong.
thanks.
( B' [: K) X& J$ \! |/ r: T
Below, verify after setting



' y  A4 G5 Y' z  f0 BSection 1.2
, |0 |  G' S: ?) e) y- @SW3#sh spa mst 2
##### MST2        vlans mapped:   34,100,156,164,184
0 o) c, `& g, \, ^  i+ ]Bridge        address aabb.cc00.2100  priority          4098  (4096 sysid 2)
Root          address aabb.cc00.2200  priority          2        (0 sysid 2)
/ M. g& d) k( \$ P  port        Et2/1           cost          2000000   rem hops 19

8 {: {% e# }% n' T8 n$ Z( m6 BInterface        Role Sts Cost          Prio.Nbr Type
---------------- ---- --- --------- -------- --------------------------------
Et0/0        Desg FWD 2000000   128.1        Shr Edge
Et2/0        Altn BLK 2000000   128.9        Shr
! t2 L' V/ w# W, Q" w" U  S* X+ HEt2/1        Root FWD 2000000   128.10   Shr
Po35        Desg FWD 1000000   128.65   Shr
; ]/ V3 h% Q- p9 T( m

SW4#sh spa mst 1
##### MST1        vlans mapped:   1,101,153,173,911,999
" \' f! A1 V3 W. d0 Y2 X* |8 Y  bBridge        address aabb.cc00.2200  priority          4097  (4096 sysid 1)
Root          address aabb.cc00.2100  priority          1        (0 sysid 1)
: j( G( O8 z% O& ]- n( q& D) q  port        Et2/1           cost          100           rem hops 19
& E8 r4 z/ F( ]) t& H( {+ a% h
3 h: w/ V9 z3 t: ^* G. xInterface        Role Sts Cost          Prio.Nbr Type
  @1 K& a/ C$ F. y) k---------------- ---- --- --------- -------- --------------------------------
Et2/0        Altn BLK 2000000   128.9        Shr
$ Z) ^: j  \1 E. ~: |Et2/1        Root FWD 100           128.10   Shr
Po46        Desg FWD 1000000   128.65   Shr
$ `4 c4 n5 F2 F* o  k

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- m& v& Z1 E0 }3 e+ wSection 1.4, 2.2, 3.1
' o( T! [2 K) i7 DR21#sh ip os da
( ]! n6 O1 J9 s( KOSPF Router with ID (10.255.1.21) (Process ID 1)
9 c2 Z; Y6 P+ O- o3 d( ?& t" R; KRouter Link States (Area 51)
# r; E; I; W- E9 s1 e
Link ID        ADV Router          Age        Seq#           Checksum Link count
  D7 q+ K! W( G$ B6 _7 x. L# v10.255.1.17        10.255.1.17        928        0x80000023 0x00E4EB 4
10.255.1.19        10.255.1.19        770        0x80000022 0x0072E7 4
10.255.1.20        10.255.1.20        995        0x80000022 0x00D57E 4
10.255.1.21        10.255.1.21        656        0x80000023 0x003716 4
3 L+ O) k: t0 d' W# K% e( M) C
Summary Net Link States (Area 51)

# t9 ~' A  L# K  VLink ID        ADV Router          Age        Seq#           Checksum
0.0.0.0        10.255.1.17        1184        0x8000001D 0x00B154
7 X$ c8 G# ~3 `5 v


6 I; t% R0 e& u6 s
3 ^  w" c) T  j/ N/ W( y' sR21#sh ip ro vrf Corp | b Ga
Gateway of last resort is 10.100.0.1 to network 0.0.0.0
! r5 R; _$ k, d
9 T9 y5 ]6 i! i( ]/ j2 K* o0 jO*IA  0.0.0.0/0 [110/1001] via 10.100.0.1, 15:56:04, Tunnel0
  10.0.0.0/8 is variably subnetted, 12 subnets, 2 masks
" P, E2 V! ?* r+ ?O        10.16.1.0/24 [110/2010] via 10.100.0.1, 15:55:59, Tunnel0
O        10.16.2.0/24 [110/2010] via 10.100.0.1, 15:55:59, Tunnel0
C        10.16.3.0/24 is directly connected, Ethernet0/1
2 R( F) Z: H( U! `' |L        10.16.3.1/32 is directly connected, Ethernet0/1
C        10.100.0.0/24 is directly connected, Tunnel0
6 K. k" \  ~' ?  b7 d# O$ kO        10.100.0.1/32 [110/1000] via 10.100.0.1, 15:56:04, Tunnel0
O        10.100.0.19/32 [110/2000] via 10.100.0.1, 15:55:59, Tunnel0
O        10.100.0.20/32 [110/2000] via 10.100.0.1, 15:55:59, Tunnel0
5 H/ P. n& E+ Y( cL        10.100.0.21/32 is directly connected, Tunnel0
* z& |0 f2 s# T" p/ q& z! v. KO        10.255.1.19/32 [110/2001] via 10.100.0.1, 15:55:59, Tunnel0
  b, i& X8 k' U( c0 d7 NO        10.255.1.20/32 [110/2001] via 10.100.0.1, 15:55:59, Tunnel0
C        10.255.1.21/32 is directly connected, Loopback0


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7 B. X9 f/ a9 M: p! RR21#ping vrf Corp 10.255.1.101
% e3 ^: Z2 }  H( ?+ ]+ `! JType escape sequence to abort.
" I! ]6 u( K1 t: ESending 5, 100-byte ICMP Echos to 10.255.1.101, timeout is 2 seconds:
2 ^8 _: j# T0 C3 l' y' C1 d* V  Z1 P!!!!!
5 V. @7 l( ^) O; {9 jSuccess rate is 100 percent (5/5), round-trip min/avg/max = 5/5/7 ms


5 A, O5 `- e3 d4 b% z( iR21#ping vrf Corp 172.30.1.108
6 \! C3 u: M/ [Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 172.30.1.108, timeout is 2 seconds:
  K  U6 ^6 Y( m7 e!!!!!
3 j6 M# D6 z8 Q; vSuccess rate is 100 percent (5/5), round-trip min/avg/max = 5/6/7 ms




Section 2.4
' C" ~( [1 ?0 v, m% u0 l! x3 N. BR11#sh ip bgp 10.0.0.0 255.0.0.0
BGP routing table entry for 10.0.0.0/8, version 87
Paths: (2 available, best #2, table default)
7 H, M2 W8 \4 N1 A- I$ ZMultipath: eBGP
# l! }  i' ~/ e( T$ ]. I/ m% K" T) F& g  Advertised to update-groups:
( I2 L8 L& }/ n: F1 z2
  Refresh Epoch 3
) ?  H' H* W0 p  65001 65002, (aggregated by 65002 10.255.1.16)
10.255.1.12 (metric 11) from 10.255.1.12 (1.255.1.12)
+ v" n: L) e* H) n3 t, c1 m  Origin IGP, metric 0, localpref 100, valid, internal, atomic-aggregate
" h- H7 l2 j9 Y) F/ @* g6 b# t  rx pathid: 0, tx pathid: 0
  Refresh Epoch 1
  65001 65002, (aggregated by 65002 10.255.1.15)
+ j; x& R3 r5 _: k  X% D  z10.254.0.53 from 10.254.0.53 (10.255.1.7)
) [. K! V* H6 g1 k( z7 R! |  Origin IGP, localpref 100, valid, external, atomic-aggregate, best
! J9 h' E3 _% w1 {  rx pathid: 0, tx pathid: 0x0


6 B; x, a, a% y0 L
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* Q# ]5 X: B5 ]Section 2.8
' \6 ^7 i$ E% kR101#traceroute 172.18.1.254
Type escape sequence to abort.
8 }, W# p+ @, j, yTracing the route to 172.18.1.254
+ g; R2 G1 A9 ?" EVRF info: (vrf in name/id, vrf out name/id)
  1 10.2.100.253 0 msec 0 msec 0 msec
6 X% d$ W# }6 p7 a  2 10.2.0.14 1 msec 1 msec 0 msec
/ U$ r4 q( ]$ z) r% x6 U' W3 U  3 10.2.0.42 0 msec 2 msec 1 msec
  4 10.2.0.46 1 msec 1 msec 1 msec
  5 172.18.2.254 1 msec 3 msec *
$ t  ~3 D4 K3 u  J
0 K$ x7 f* u7 p/ c
3 y  g" m0 d7 _3 j" LR101#traceroute 172.18.2.254
( `. s. _7 i; k- X! l: @. hType escape sequence to abort.
Tracing the route to 172.18.2.254
6 y/ c' O" b' Z* k) t( JVRF info: (vrf in name/id, vrf out name/id)
; @( z) ^, y4 B2 M- `6 b! G- N0 M  1 10.2.100.253 1 msec 1 msec 0 msec
, G2 q; F8 G1 M. F3 U7 Z1 q  2 10.2.0.5 0 msec 0 msec 0 msec
  3 10.254.0.73 0 msec 1 msec 1 msec
  4 10.254.0.13 [MPLS: Labels 34/48 Exp 0] 1 msec 2 msec 0 msec
# M) T" X- }2 u4 I7 v2 [% m  5 10.254.0.18 [MPLS: Labels 41/48 Exp 0] 1 msec 7 msec 1 msec
3 [; S& o+ [0 t+ F; C  6 10.254.0.62 [MPLS: Labels 20/48 Exp 0] 1 msec 2 msec 1 msec
: h! W; J1 q0 k! M  7 172.18.253.5 [MPLS: Label 48 Exp 0] 1 msec 1 msec 1 msec
  8 172.18.253.6 0 msec 1 msec 0 msec
7 Z2 {3 s2 r) k5 o5 [! s. p4 d  9 172.18.254.254 1 msec 1 msec *
; v. ~* ~( A9 d. z$ p
! c, N& |- i. E
9 X3 ~8 B2 K4 ~SW10#traceroute 10.2.100.253
; ]3 c$ e  U6 Y+ jType escape sequence to abort.
Tracing the route to 10.2.100.253
VRF info: (vrf in name/id, vrf out name/id)
0 H8 e# m' ~' Q8 P5 u  1 172.18.2.1 0 msec 0 msec 1 msec
6 B# w1 b$ Z3 |% f3 P  2 10.2.0.45 0 msec 1 msec 1 msec
" s4 p& h  r; G0 T1 ~  3 10.2.0.41 0 msec 1 msec 0 msec
  4 10.2.100.253 1 msec 1 msec *
2 r  t, @7 A; S( w/ Y! x* w- r2 d( n1 C
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" F1 l. F% a5 R. M) y9 O; ^Section 2.9
( G0 f4 ~& Z% `SW3#sh ipv ro os
- f: m7 u- i" Z. k' TIPv6 Routing Table - default - 11 entries
Codes: C - Connected, L - Local, S - Static, U - Per-user Static route
) u, h& t" L2 y   B - BGP, R - RIP, I1 - ISIS L1, I2 - ISIS L2
   IA - ISIS interarea, IS - ISIS summary, D - EIGRP, EX - EIGRP external
   ND - ND Default, NDp - ND Prefix, DCE - Destination, NDr - Redirect
   RL - RPL, O - OSPF Intra, OI - OSPF Inter, OE1 - OSPF ext 1
   OE2 - OSPF ext 2, ON1 - OSPF NSSA ext 1, ON2 - OSPF NSSA ext 2
. j$ I5 N$ `7 o* l7 ^! R. ?   a - Application
9 k( j- C7 g' O! z. fO   2001:CC1E:BEEF:10:255:1:104:104/128 [110/1]
via FE80::A8BB:CCFF:FE80:2200, Vlan34
O   2001:CC1E:BEEF:156::/64 [110/11]
, d2 h% }% _- c: C: Fvia FE80::A8BB:CCFF:FE00:F20, Vlan153
) Z. O1 m* ?8 D9 a8 l( }* XO   2001:CC1E:BEEF:164::/64 [110/2]
via FE80::A8BB:CCFF:FE80:2200, Vlan34
$ ]3 }4 b* E' Z$ V" Y: K2 N' S

" P! ?6 w$ R- u. g# W
SW3#sh ipv os da
OSPFv3 Router with ID (10.255.1.103) (Process ID 1)
! J0 }% {: u: kRouter Link States (Area 0)
, b% k2 t2 f0 _8 l- u- vADV Router           Age        Seq#        Fragment ID  Link count  Bits
10.255.1.15        1574        0x80000015  0        2           None
10.255.1.16        1509        0x80000014  0        2           None
10.255.1.103        850        0x80000016  0        2           None
10.255.1.104        995        0x80000017  0        2           None

Link (Type-8) Link States (Area 0)
$ F: f: w9 c- ^2 }& t6 ~
ADV Router           Age        Seq#        Link ID        Interface
10.255.1.103        1838        0x80000010  19        Lo0
6 Z" f: ?/ N2 L3 c( A/ P8 z. m4 E10.255.1.15        1317        0x80000010  5          Vl153
10.255.1.103        96          0x80000011  24        Vl153
10.255.1.103        96          0x80000011  22        Vl100
10.255.1.103        96          0x80000011  21        Vl34
10.255.1.104        2014        0x80000010  21        Vl34

! z8 ]% X8 q/ OIntra Area Prefix Link States (Area 0)
2 m. b4 S- s2 d8 o" V2 u8 O
ADV Router           Age        Seq#        Link ID        Ref-lstype  Ref-LSID
6 V; A) B- z5 s% I5 o: |0 D& M10.255.1.15        1317        0x80000010  0          0x2001          0
3 `# W9 `. S' H! m6 c4 I: P10.255.1.16        1767        0x80000010  0          0x2001          0
10.255.1.103        1597        0x80000012  0          0x2001          0
* n" w+ J/ M# h( y10.255.1.104        2014        0x80000011  0          0x2001          0
SW3#
7 S2 M  @3 E, v+ p4 a



Section 2.11
$ E7 V& {  l% Z( {SW3#ping 239.1.1.1
" ~- k& x& X4 J, pType escape sequence to abort.
$ v: a- u! N5 o: U9 t$ ySending 1, 100-byte ICMP Echos to 239.1.1.1, timeout is 2 seconds:
3 \9 |8 x% X' L/ S) K3 Y
) @' e; ?6 \9 q7 \4 b+ F7 H$ k6 S( dReply to request 0 from 10.16.1.1, 28 ms
( t! z5 |6 s3 R2 g- N6 W% @* mReply to request 0 from 10.16.3.1, 37 ms
; F# ?8 y) t4 W/ \7 k& E1 oReply to request 0 from 10.16.2.1, 29 ms

( b0 [& A% c' S) ]# x: y, p
7 R- I1 H9 C5 @, H+ {0 X  d3 J( A
( R" d2 v/ q: D$ s1 w
Section Unknown(load balance)
' Y8 b. m/ _0 lSW1#traceroute 10.2.100.1
Type escape sequence to abort.
Tracing the route to 10.2.100.1
2 r: G0 J* u  k) e9 n8 JVRF info: (vrf in name/id, vrf out name/id)
  1 10.1.254.2 1 msec
10.1.254.1 0 msec
$ @- m) I: p0 v  w( s10.1.254.2 0 msec
8 L1 Y- M3 J( n" v  2 10.254.0.53 0 msec
) c  n' v8 x0 m; G/ X10.254.0.57 0 msec
10.254.0.53 0 msec
: n8 U5 u. W# ^! g& B, s# C; k( R9 a  3 10.254.0.25 1 msec
10.254.0.9 1 msec
10.254.0.25 1 msec
  4 10.254.0.73 0 msec
8 R; T% g8 y# X2 y) o* O# E10.254.0.77 0 msec
/ m2 S# J4 _% I; Y10.254.0.73 1 msec
. U4 V$ B+ X/ R6 ~8 O  5 10.254.0.78 1 msec
10.254.0.74 0 msec
10.254.0.78 1 msec
. u& B8 p2 ]" y5 A  6 10.2.0.6 1 msec
! _% I$ w! W  c! o1 b6 A6 s10.2.0.10 1 msec
/ d/ q' P1 p/ C) g' t. |10.2.0.6 1 msec



Section 5.2
4 r8 r) J' q0 R! r0 [' P# |R101#ping 8.8.8.8
Type escape sequence to abort.
' S! y/ P$ h) U: ]0 wSending 5, 100-byte ICMP Echos to 8.8.8.8, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 1/1/1 ms
) w. T8 M* l& ?* r

/ a; t! o; m. }& @& y. o& b' [9 dR21#ping 8.8.8.8
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 8.8.8.8, timeout is 2 seconds:
!!!!!
5 q1 P6 t) p- q" dSuccess rate is 100 percent (5/5), round-trip min/avg/max = 1/1/1 ms

  D& b! E, i/ H: W
SW1#ping 8.8.8.8
Type escape sequence to abort.
- ^* q2 A" J0 m' ]Sending 5, 100-byte ICMP Echos to 8.8.8.8, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 1/1/1 ms

3 r) T" e8 q) N& T: U
SW2#ping 8.8.8.8
# K/ o+ {, T# e* k9 {5 l" i. rType escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 8.8.8.8, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 2/2/3 ms

' O2 |. V8 j$ ^/ A  J' I. f3 N
" j* K' P6 ~9 pSW10#ping 8.8.8.8
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 8.8.8.8, timeout is 2 seconds:
6 q4 ?7 Z! o% ^1 [!!!!!
3 M; F+ |& h" O' {$ K- M0 {Success rate is 100 percent (5/5), round-trip min/avg/max = 1/1/2 ms


SW11#ping 8.8.8.8
5 n& [! U# F! ]* u8 w8 O5 tType escape sequence to abort.
8 m8 N. J5 M( U) X: eSending 5, 100-byte ICMP Echos to 8.8.8.8, timeout is 2 seconds:
2 p8 D$ C, \, j!!!!!
  t$ m0 i" c  [- E4 hSuccess rate is 100 percent (5/5), round-trip min/avg/max = 1/1/2 ms
+ S$ {  g$ k* S: ^9 w6 @4 J
( T% H) j! L  s( v

9 A1 E# Q( @- M# A' u4 |- @
# f5 H* s+ Q8 g8 R$ RSection Unknown(Backup path)
# L) Q' l; R/ D. j" wR18:
router bgp 65002
neighbor 10.2.0.46 shutdown
* U' f4 [2 ~: W. J" Z% P
; z7 n0 ]# h6 O# e6 R
) R4 k' n: r, ~" m4 [R101#ping 172.18.1.254
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 172.18.1.254, timeout is 2 seconds:
!!!!!
9 S$ E! c  r! a0 H- l' g# zSuccess rate is 100 percent (5/5), round-trip min/avg/max = 1/1/2 ms

7 B$ [, V1 w$ V3 o# E* b NewA5_config.rar (37.56 KB, 下载次数: 93)

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saadnwz

saadnwz

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ghx20082

版本2变种吗

875272543

这个解法可以过人么

kevin9w

这位大神怎么称呼？

suwei_vera

Thank you so so much! I can't admire you more!

jamesscooby

thank your share