frame-relay

1
frame-relay
WAN?? (broad cast ?? ??) ???? ??? ?? ????? ??
2
??
DLCI??
DAMAC?? SAMAC??
ICMP8
frame-relay??? DLCI?? ?? ??? ????
3
multipoint
???
???
? ??? ?? ?? ??? ??(??? ???? ?? ?? ???? ??)
frame ???
???
4
point-point
???
???
???? ?? 2?? ??? ??
5
????? ??
? ?????(??) multipoint point-to-point 2????
??, ? ?? ??? ??( broadcast ???) multipoint ??
????? ??? ?? ?
6
rip
?? ??? ? ??
EIGRP
AS 100
AS 50
AS? ??? ?? ?? ???
7
int s1/0 encapsulation frame-relay lt- ? ??? ??
?? ??????? multipoint ???? int s1/0.12 multipoint
int s1/0 ip ospf network point-to-multipoint lt-
opsf? ?? ????(?? ??????? ??)
8
EIGRP
RIP
rip -gt eigrp (redistribute) D EX ?? eigrp??
(??AS) D
?? ?? ????? ?? ???? ???? ???? ?? ???? ????
?? ???? ??? ???? ?(???)
9

• ?? ???
• AD ?? ??
• Metric ?? ??

ospf ?? ?? ?? ?????? metic? ?? ????? ?? ??? ??
?? metic?? ??? ??(X? ?? ??) ????? ????? ??? ???
metic??? ???? ????? ????? ???? ????? ??
10
????? ??, ??? ?? ??? ?? ?? interface? ip ??? ??
pdu, network type? ?? ???
11
1
frame-relay ??
????? ???
3
2
1 -gt 2? traceroute ?? traceroute? ??? ??? ??? ???
? ?? ??? ?? ??? ??? ??? 1-gt3?? ?? ? 3?? ??? ????
???? ??? 3? 3?? 1? ?? ??? ?? ????? ??? ?? 3???
?? ??? ??? ?? ??? ??? 1?? traceroute? ?? ??? ??
??? traceroute ???
12
13.13.2.0
13.13.1.0
OSPF, RIP, EIGRP?????? network 13.13.1.0,
network 13.13.2.0 ? ???? 1. ???? ????? ?? 2.
network? ??? ?????? ?????? ??
13
passive-interface default ?? ?????? ?? ???? x no
passive-interface default ??? ??????? ?? ????
?? ???(??? ??? ? ? ??) ?? ???(??? ??? ??????
???? ?) key chain EIGRP_AUTH ltkey chain?? ?? key
20110109 lt ??? ?? key-string cisco01234 lt??
md5 -gt ???? ??, ???? ??? md5? ????? ?? ??? ??
??? ?? md5? ???? ??? ??? ???? ?? ???? ?? ???
??(HELLO??)
14
eigrp query -gt ??? ?? ??? ??? ???? ??? ?? ?? ???
??? (3??? ??? ??? neighbor ??)
?? ??
SIA??
query ??
?? ??? ???? ??? ??? ??? ??? ??????? ?? ??
query ??
query ????
query ??
15
SIA?? ??? 1. query ?????? ??? ?? 2. stub??(???
?????? ???? query ? ??) 3. summary
??? ?? broadcast lt multicast lt unicast
distribute-list ?? ?(in, out )? ?? ?(in, out )??
??
16
point-to-multipoint(?? ???? ??? ???? ????)
???1
??? ???? sw? ??? ????? ????? ???? ???1? ???2 ??
??? ?
???
sw
???2
17
ospf (????? ??) -gt as?, LSA-Type? ???? ?? ??
area 0
eigrp
ASBR
ABR
area1
????? ?? ???? ????? ???? ??
area2
18
DR, BDR???? ?? ??? ???? ???? ???? ???? ???
??? ??? ???? ??
DR
BDR
DRother -gt DR -gt BDR(???) ???? ??
?? DRother-gtDR(224.0.0.6) DR-gtDRother(224.0.0.5)
19
ospf priority 1255(?? ?) ?? ?? (DR,
BDR,DRother ??) 0(?? ?) Drother(???)
NBMA DR, BDR ???? neighbor ???? ??? nbma?????
broadcast, multicast? ?? ? ? ?? ???
20
ospf
area0
area1
area100
area 100?? ??? ???? ?? ?? ?? 1. area0? area100?
??? 2. area100? area1??? ????? 3. area0? virtual
link? ??
virtual-link?? show ip ospf virtual-links
ospf NBMA(multipoint) frame-relay
?? point-to-multipoint???? frame-relay(NBMA) -gt
point-to-multipoint ??
21
ABR
D E1 ABR? ?? ?? ?? ? D E2 ABR? ?? ?? ? ?
?????
22
LSA-Type LSA-Type1? show ip ospf database router?
??? ??? (?? ??? ?? ???)
23
stub (Type-5 ? ??)
rip
ospf
??? ?? RIP? ??? ??? ??? ?? ?? ?? ??
eigrp
ospf
rip? ??? ? ?? ABR? ??? ??? ???
ABR
ASBR
ABR? RIP? ??? ??? ??
Type5? distribute ? ASBR??? stub? ??
24
totally stub (Type-3, 4, 5 ? ??)
nssa type 5?? stub? ? ?? type 7? ???(type 5 ????
???)
eigrp
ospf
ASBR
ABR
ospf
type5 -gt type7
25
ospf -gt rip rip network 13.0.0.0 network
150.1.0.0 ospf network 13.13.9.1 area0 network
13.13.9.3 area0 rip? ospf?? ?? ???5? ???? ???
??? ??? rip? network 13.0.0.0? 13.13.9.1?
13.13.9.3 ,13.13.9.4? ????? ???5??? 13.13.9.1?
13.13.9.3? rip??? ??? (?? ??? ??? ????? ??? ???
???? ????? ??)
rip
???5
13.13.9.4
ASBR
150.1.13.1
13.13.9.1
ospf (as0)
13.13.9.3
26
tag 100
tag 20
tag 30
tag 40
tag20, tag100? ??? ??
27
13.13.1.0/24
1
2
loop??
.1
.2
2? ???? ?? ?? D 172.16.0.0/16 13.13.1.2
1? ???? ?? ?? 172.16.0.0 172.16.1.1 172.16.255.2
55 0.0.0.0 13.13.1.1
?? (172.16.0.0/16)
??? 1?? 172.16.1.1? ??? ????? 2?? 1? 172.16.1.1?
??? ?? ?? ? ?? 172.16.1.1? ??? ???? ??? 1???
0.0.0.0 13.13.1.1? ?????? ?? 2? ?? ??? ?? 1?
2???? ??? ?? loop? ??? ? ??? ??? 1?? ??? ??? ???
172.16.0.0 null0 ? ?????? ???? loop???
??? (eigrp, ospf?? ???? loop??? ???, rip? ?? ??)
28
?? ????? ????? ???? ????
172.16.0000000 1 172.16.0000001 1 172.16.0000010
1 172.16.1111111 1 ------------------- 0.
0.1111111 0 172.16.1.0 0.0.254.255
????
??????
29
access-list, prefix-list
access-list 10 172.16.0.0 0.0.255.255 access-list
10 172.18.0.0 0.0.255.255 access-list 10
172.19.0.0 0.0.255.255 access-list? ??? ????? ???
?? ??? ???? 5? ???
ip prefix-list TEST permit 172.16.0.0/16 seq
10 access-list? ??? ????? ??
access-list (?? ??)
172.16.0.0 172.16.255.255 ----------------- 172.
16.0.0 (????)
????
ip prefix-list (? ? ? ?? or ? ? ?? ??)
30

• route-map
• ?? ?? ??? ??? ?? -gt ?? ?? ??
• ?)
• router ospf 1
• redistribute rip subnets lt- ? ?? ??? ???, ?? ??
  ?? ?? ??
• redistribute rip matric 100 subnets route-map test

??? ??? ??? ?? ?? ?? (set ?? ??)
??? ??? ?? ?? (set ?? ??)
??
?????
route-map TEST permit 10 match tag 100 set
??? ?match -gt ?permit -gt ?set
deny
??
31
route-map TEST permit 15 ! lt- ???? ??? ????
??????? ?? deny any (???? ??? ????? ???? ?? ??)
redistribute -gt ??? (?? ?????) distribute-list -gt
?? ?????? ??? ??? ??? ??
32
ip????
ipv4 ??, dhcp ipv6 ??, dhcp, eui-64
eui-64 -gt ???? ??? ?? ?? mac????? ???? ??
link-local
link-local
??? ??? ip
??? ??? ip
show int f0/0 lt- mac address ?? show ipv6 int bri
lt- link-local address ?? show ipv6 route lt- ipv6
??? ??? ??
33
tunnel
ipv6
ipv6
ipv4
?? ipv6? ??? ??? ipv4?? ???? ??? ?? ??? ??
34
L3
L3
ipv4
ipv6
data
??? ????? ipv4?? ???? ???? ??? ???
L3
L3
ipv4
ipv4
data
35
BGP -gt EIGRP, OSPF??? ??
?????? C 172.1.1.1 F0/0 B 199.12.1.1
13.13.13.13 D 13.13.13.13 172.1.1.1 B -gt D -gt C?
??? ??? ??? ?? ??
36
???1? ??? ?? ????? (ping? ???? ?)
AS 100
AS 300
AS 200
1
BGP ?? X
syn gt D? ??(B? ??? ? ? ?? ??? ??? ?)? ???? B???
??? ?? ?? ? ??? ??? (B??? ??? D? ???? ??? ??? ???
???? ? ??)
37
????? -gt 1???? B? ??? ???? B? ???? ???? ??? ??
??? ???? ??? ????? ??? ???? ??? ?? ??
38
Full mesh -gt ?????? ?? ??
AS 100
AS 200
39
Route-reflector
OSPF BR? ?? ??
AS 200
AS 100
40
CONFEDERATION
???? ??
AS 100
AS 200
EB
IBGP
EBGP
IBGP
41
AS 100
AS 300
AS 200
1
4
5
BGP ?? X
DMZ (OSPF, EIGRP, RIP?? ?? ????? ?????? ????
????? ???? ??)

• BGP? ????? ?? AS? ?????? NEXT??? ???
• ?? AS??? NEXT?? ? ???
• 1????? 4? ?? ?? ???? NEXT??? 4? ????
• ?????? ??? ???? ??
• ???
• static?? NEXT?? ????
• ???? NEXT?? 5?? ???? ??

42
?? ????? ?? (?? loopback ??)
loop back
loop back
??? ???? loopback? ??? ???? ?? ?? ??? ???? ??
????? ??? ???? ping? ????? peer? ?? ??
43
router bgp 200 network lt- network?? ??? ??? ??
??? ?? ???
???? ?? ???? ???? ?? ?? ?? ??? ?
neighbor 2.2.2.2 remote-as 200
neighbor 1.1.1.1 remote-as 200
1.1.1.1
2.2.2.2
SA 1.1.1.1 DA 2.2.2.2
1.1.1.1? ??? ??? ??? ??? ?? ?????
????
??? ????? ??
44
SA lt- update-source ???? loopback?? ??? ??
show ip bgp sum???? ???
state/pfxfcd

2
2?? ?????? ??
ebgp 1? (??) ibgp 255? (??)
show ip bgp gt ???? ??(? ? ??)
BGP (?? ?? ???? ??? ? ?? ???? ??
AS 200
AS 100
45
distance-vector? ?? ??? ?? ??? ?? ???? ??
???? ??? ???? ??(??) BGP(distance-vector) gt
OSPF(link-state) gt RIP(distance-vector)