R1:-
interface
Loopback0
Loopback0
ip address 1.1.1.1 255.255.255.255
interface
FastEthernet2/0
FastEthernet2/0
Description
“ Connected to R2”
“ Connected to R2”
ip address 12.12.12.1 255.255.255.0
no shut
router bgp 1
no synchronization
bgp log-neighbor-changes
network 1.1.1.1 mask 255.255.255.255
neighbor 12.12.12.2 remote-as 2
neighbor 12.12.12.2 send-community both –<<
Without it Community will not send to neighbor
Without it Community will not send to neighbor
neighbor 12.12.12.2 route-map setCommunity out
no auto-summary
route-map
setCommunity permit 10
setCommunity permit 10
set community no-advertise
R2:-
interface
Loopback0
Loopback0
ip address 2.2.2.2 255.255.255.255
interface
FastEthernet0/0
Description ” Connected to R3″
FastEthernet0/0
Description ” Connected to R3″
ip address 23.23.23.2 255.255.255.0
no shut
interface
FastEthernet1/0
FastEthernet1/0
Description
“Connected to R5”
“Connected to R5”
ip address 25.25.25.2 255.255.255.0
no shut
interface
FastEthernet2/0
FastEthernet2/0
Description
“Connected to R1”
“Connected to R1”
ip address 12.12.12.2 255.255.255.0
no shut
Router eigrp
2 —-<<
To provide connectivity between AS2 Routers
2 —-<<
To provide connectivity between AS2 Routers
network 23.23.23.2 0.0.0.0
router bgp 2
no synchronization
bgp log-neighbor-changes
network 2.2.2.2 mask 255.255.255.255
neighbor 12.12.12.1 remote-as 1
neighbor 23.23.23.3 remote-as 2
neighbor 23.23.23.3 next-hop-self
neighbor 23.23.23.3 send-community both
neighbor 25.25.25.5 remote-as 3
no auto-summary
R3:-
interface
Loopback0
Loopback0
ip address 3.3.3.3 255.255.255.255
interface
FastEthernet0/1
FastEthernet0/1
Description
“Connected to R4”
“Connected to R4”
ip address 34.34.34.3 255.255.255.0
no shut
interface
FastEthernet0/0
FastEthernet0/0
Description
“Connected to R3”
“Connected to R3”
ip address 23.23.23.3 255.255.255.0
no shut
router eigrp
2
2
network 23.23.23.3 0.0.0.0
network 34.34.34.3 0.0.0.0
router bgp 2
no synchronization
bgp log-neighbor-changes
network 3.3.3.3 mask 255.255.255.255
neighbor 23.23.23.2 remote-as 2
neighbor 23.23.23.2 route-reflector-client –<< R3 is
RR for R2 and R4
RR for R2 and R4
neighbor 34.34.34.4 remote-as 2
neighbor 34.34.34.4 route-reflector-client –-<< R3 is RR for R2 and R4
neighbor 34.34.34.4 send-community both
no auto-summary
R4:-
interface
Loopback0
Loopback0
ip address 4.4.4.4 255.255.255.255
interface
FastEthernet0/1
FastEthernet0/1
Description
“Connected to R4”
“Connected to R4”
ip address 34.34.34.4 255.255.255.0
no shut
router eigrp
2
2
network 34.34.34.4 0.0.0.0
router bgp 2
no synchronization
bgp log-neighbor-changes
network 4.4.4.4 mask 255.255.255.255
neighbor 34.34.34.3 remote-as 2
no
auto-summary
auto-summary
R5:-
interface
Loopback0
Loopback0
ip address 5.5.5.5 255.255.255.255
interface
FastEthernet1/0
FastEthernet1/0
Description
“Connected to R2”
“Connected to R2”
ip address 25.25.25.5 255.255.255.0
router bgp 3
no synchronization
bgp log-neighbor-changes
network 5.5.5.5 mask 255.255.255.255
neighbor 25.25.25.2 remote-as 2
no auto-summary
Verification:-
R1:-
R1#sh ip
route
route
Codes: L –
local, C – connected, S – static, R – RIP, M – mobile, B – BGP
local, C – connected, S – static, R – RIP, M – mobile, B – BGP
D – EIGRP, EX – EIGRP external, O –
OSPF, IA – OSPF inter area
OSPF, IA – OSPF inter area
N1 – OSPF NSSA external type 1, N2 –
OSPF NSSA external type 2
OSPF NSSA external type 2
E1 – OSPF external type 1, E2 – OSPF
external type 2
external type 2
i – IS-IS, su – IS-IS summary, L1 –
IS-IS level-1, L2 – IS-IS level-2
IS-IS level-1, L2 – IS-IS level-2
ia – IS-IS inter area, * – candidate
default, U – per-user static route
default, U – per-user static route
o – ODR, P – periodic downloaded static
route, H – NHRP
route, H – NHRP
+ – replicated route, % – next hop
override
override
Gateway of
last resort is not set
last resort is not set
1.0.0.0/32 is subnetted, 1 subnets
C 1.1.1.1 is directly connected,
Loopback0
Loopback0
2.0.0.0/32 is subnetted, 1 subnets
B 2.2.2.2 [20/0] via 12.12.12.2, 00:31:49
3.0.0.0/32 is subnetted, 1 subnets
B 3.3.3.3 [20/0] via 12.12.12.2, 00:11:38
5.0.0.0/32 is subnetted, 1 subnets
B 5.5.5.5 [20/0] via 12.12.12.2, 00:31:18
12.0.0.0/8 is variably subnetted, 2
subnets, 2 masks
subnets, 2 masks
C 12.12.12.0/24 is directly connected,
FastEthernet2/0
FastEthernet2/0
L 12.12.12.1/32 is directly connected,
FastEthernet2/0
FastEthernet2/0
R1#sh ip bgp
BGP table
version is 5, local router ID is 1.1.1.1
version is 5, local router ID is 1.1.1.1
Status
codes: s suppressed, d damped, h history, * valid, > best, i – internal,
codes: s suppressed, d damped, h history, * valid, > best, i – internal,
r RIB-failure, S Stale, m
multipath, b backup-path, x best-external
multipath, b backup-path, x best-external
Origin
codes: i – IGP, e – EGP, ? – incomplete
codes: i – IGP, e – EGP, ? – incomplete
Network Next Hop Metric LocPrf Weight Path
*>
1.1.1.1/32 0.0.0.0 0 32768 I –<<< R1 advertising Lo0
1.1.1.1/32 0.0.0.0 0 32768 I –<<< R1 advertising Lo0
*>
2.2.2.2/32 12.12.12.2 0 0 2 i
2.2.2.2/32 12.12.12.2 0 0 2 i
*>
3.3.3.3/32 12.12.12.2 0 2 i
3.3.3.3/32 12.12.12.2 0 2 i
*>
5.5.5.5/32 12.12.12.2 0 2 3 i
5.5.5.5/32 12.12.12.2 0 2 3 i
R1#sh ip bgp
summary
summary
BGP router
identifier 1.1.1.1, local AS number 1
identifier 1.1.1.1, local AS number 1
BGP table
version is 5, main routing table version 5
version is 5, main routing table version 5
4 network
entries using 512 bytes of memory
entries using 512 bytes of memory
4 path
entries using 208 bytes of memory
entries using 208 bytes of memory
4/4 BGP
path/bestpath attribute entries using 496 bytes of memory
path/bestpath attribute entries using 496 bytes of memory
2 BGP
AS-PATH entries using 48 bytes of memory
AS-PATH entries using 48 bytes of memory
0 BGP
route-map cache entries using 0 bytes of memory
route-map cache entries using 0 bytes of memory
0 BGP
filter-list cache entries using 0 bytes of memory
filter-list cache entries using 0 bytes of memory
BGP using
1264 total bytes of memory
1264 total bytes of memory
BGP activity
4/0 prefixes, 4/0 paths, scan interval 60 secs
4/0 prefixes, 4/0 paths, scan interval 60 secs
Neighbor V AS MsgRcvd MsgSent TblVer
InQ OutQ Up/Down State/PfxRcd
InQ OutQ Up/Down State/PfxRcd
12.12.12.2 4 2 40
41 5 0
0 00:33:03 3
41 5 0
0 00:33:03 3
R2:-
R2#sh ip
route
route
Codes: L –
local, C – connected, S – static, R – RIP, M – mobile, B – BGP
local, C – connected, S – static, R – RIP, M – mobile, B – BGP
D – EIGRP, EX – EIGRP external, O –
OSPF, IA – OSPF inter area
OSPF, IA – OSPF inter area
N1 – OSPF NSSA external type 1, N2 –
OSPF NSSA external type 2
OSPF NSSA external type 2
E1 – OSPF external type 1, E2 – OSPF
external type 2
external type 2
i – IS-IS, su – IS-IS summary, L1 –
IS-IS level-1, L2 – IS-IS level-2
IS-IS level-1, L2 – IS-IS level-2
ia – IS-IS inter area, * – candidate
default, U – per-user static route
default, U – per-user static route
o – ODR, P – periodic downloaded static
route, H – NHRP
route, H – NHRP
+ – replicated route, % – next hop
override
override
Gateway of
last resort is not set
last resort is not set
1.0.0.0/32 is subnetted, 1 subnets
B 1.1.1.1 [20/0] via 12.12.12.1, 00:24:33
2.0.0.0/32 is subnetted, 1 subnets
C 2.2.2.2 is directly connected,
Loopback0
Loopback0
3.0.0.0/32 is subnetted, 1 subnets
B 3.3.3.3 [200/0] via 23.23.23.3,
00:12:16
00:12:16
5.0.0.0/32 is subnetted, 1 subnets
B 5.5.5.5 [20/0] via 25.25.25.5, 00:32:26
12.0.0.0/8 is variably subnetted, 2
subnets, 2 masks
subnets, 2 masks
C 12.12.12.0/24 is directly connected,
FastEthernet2/0
FastEthernet2/0
L 12.12.12.2/32 is directly connected,
FastEthernet2/0
FastEthernet2/0
23.0.0.0/8 is variably subnetted, 2
subnets, 2 masks
subnets, 2 masks
C 23.23.23.0/24 is directly connected,
FastEthernet0/0
FastEthernet0/0
L 23.23.23.2/32 is directly connected,
FastEthernet0/0
FastEthernet0/0
25.0.0.0/8 is variably subnetted, 2
subnets, 2 masks
subnets, 2 masks
C 25.25.25.0/24 is directly connected,
FastEthernet1/0
FastEthernet1/0
L 25.25.25.2/32 is directly connected,
FastEthernet1/0
FastEthernet1/0
R2#sh ip bgp
BGP table
version is 6, local router ID is 2.2.2.2
version is 6, local router ID is 2.2.2.2
Status
codes: s suppressed, d damped, h history, * valid, > best, i – internal,
codes: s suppressed, d damped, h history, * valid, > best, i – internal,
r RIB-failure, S Stale, m
multipath, b backup-path, x best-external
multipath, b backup-path, x best-external
Origin
codes: i – IGP, e – EGP, ? – incomplete
codes: i – IGP, e – EGP, ? – incomplete
Network Next Hop Metric LocPrf Weight Path
*>
1.1.1.1/32 12.12.12.1 0 0 1 i
1.1.1.1/32 12.12.12.1 0 0 1 i
*>
2.2.2.2/32 0.0.0.0 0 32768 i
2.2.2.2/32 0.0.0.0 0 32768 i
*>i3.3.3.3/32 23.23.23.3 0 100 0 i
*
i4.4.4.4/32 34.34.34.4 0 100
0 i
i4.4.4.4/32 34.34.34.4 0 100
0 i
*>
5.5.5.5/32 25.25.25.5 0 0 3 i
5.5.5.5/32 25.25.25.5 0 0 3 i
R2#sh ip bgp
summary
summary
BGP router
identifier 2.2.2.2, local AS number 2
identifier 2.2.2.2, local AS number 2
BGP table
version is 6, main routing table version 6
version is 6, main routing table version 6
5 network
entries using 640 bytes of memory
entries using 640 bytes of memory
5 path
entries using 260 bytes of memory
entries using 260 bytes of memory
4/4 BGP
path/bestpath attribute entries using 496 bytes of memory
path/bestpath attribute entries using 496 bytes of memory
1 BGP rrinfo
entries using 24 bytes of memory
entries using 24 bytes of memory
2 BGP
AS-PATH entries using 48 bytes of memory
AS-PATH entries using 48 bytes of memory
1 BGP
community entries using 24 bytes of memory
community entries using 24 bytes of memory
0 BGP
route-map cache entries using 0 bytes of memory
route-map cache entries using 0 bytes of memory
0 BGP
filter-list cache entries using 0 bytes of memory
filter-list cache entries using 0 bytes of memory
BGP using
1492 total bytes of memory
1492 total bytes of memory
BGP activity
5/0 prefixes, 5/0 paths, scan interval 60 secs
5/0 prefixes, 5/0 paths, scan interval 60 secs
Neighbor V AS MsgRcvd MsgSent TblVer
InQ OutQ Up/Down State/PfxRcd
InQ OutQ Up/Down State/PfxRcd
12.12.12.1 4 1 41
41 6 0
0 00:33:42 1
41 6 0
0 00:33:42 1
23.23.23.3 4
2 19
19 6 0
0 00:12:24 2
2 19
19 6 0
0 00:12:24 2
25.25.25.5 4 3 41
41 6 0
0 00:33:01 1
41 6 0
0 00:33:01 1
R2#sh ip bgp
1.1.1.1
1.1.1.1
BGP routing
table entry for 1.1.1.1/32, version 5
table entry for 1.1.1.1/32, version 5
Paths: (1
available, best #1, table default, not advertised to any peer)
available, best #1, table default, not advertised to any peer)
Not advertised to any peer
1
12.12.12.1 from 12.12.12.1 (1.1.1.1)
Origin IGP, metric 0, localpref 100,
valid, external, best
valid, external, best
Community: no-advertise -<<<
Learning Community which is set on R1
Learning Community which is set on R1
R3:-
R3#sh ip bgp
summary
summary
BGP router
identifier 3.3.3.3, local AS number 2
identifier 3.3.3.3, local AS number 2
BGP table
version is 6, main routing table version 6
version is 6, main routing table version 6
4 network
entries using 512 bytes of memory
entries using 512 bytes of memory
4 path
entries using 208 bytes of memory
entries using 208 bytes of memory
3/3 BGP
path/bestpath attribute entries using 372 bytes of memory
path/bestpath attribute entries using 372 bytes of memory
1 BGP
AS-PATH entries using 24 bytes of memory
AS-PATH entries using 24 bytes of memory
0 BGP
route-map cache entries using 0 bytes of memory
route-map cache entries using 0 bytes of memory
0 BGP
filter-list cache entries using 0 bytes of memory
filter-list cache entries using 0 bytes of memory
BGP using
1116 total bytes of memory
1116 total bytes of memory
BGP activity
4/0 prefixes, 4/0 paths, scan interval 60 secs
4/0 prefixes, 4/0 paths, scan interval 60 secs
Neighbor V AS MsgRcvd MsgSent TblVer
InQ OutQ Up/Down State/PfxRcd
InQ OutQ Up/Down State/PfxRcd
23.23.23.2 4 2 20
20 6 0
0 00:12:56 2
20 6 0
0 00:12:56 2
34.34.34.4 4 2 18
21 6 0
0 00:12:53 1
21 6 0
0 00:12:53 1
R3#sh ip bgp
–<<< No R1 Route advertised from R2 to R5
–<<< No R1 Route advertised from R2 to R5
BGP table
version is 6, local router ID is 3.3.3.3
version is 6, local router ID is 3.3.3.3
Status
codes: s suppressed, d damped, h history, * valid, > best, i – internal,
codes: s suppressed, d damped, h history, * valid, > best, i – internal,
r RIB-failure, S Stale, m
multipath, b backup-path, x best-external
multipath, b backup-path, x best-external
Origin
codes: i – IGP, e – EGP, ? – incomplete
codes: i – IGP, e – EGP, ? – incomplete
Network Next Hop Metric LocPrf Weight Path
*>i2.2.2.2/32 23.23.23.2 0 100
0 i
0 i
*>
3.3.3.3/32 0.0.0.0 0 32768 i
3.3.3.3/32 0.0.0.0 0 32768 i
*>i4.4.4.4/32 34.34.34.4 0 100
0 i
0 i
*>i5.5.5.5/32 23.23.23.2 0 100
0 3 i
0 3 i
R3#sh ip
route
route
Codes: L –
local, C – connected, S – static, R – RIP, M – mobile, B – BGP
local, C – connected, S – static, R – RIP, M – mobile, B – BGP
D – EIGRP, EX – EIGRP external, O –
OSPF, IA – OSPF inter area
OSPF, IA – OSPF inter area
N1
– OSPF NSSA external type 1, N2 – OSPF NSSA external type 2
– OSPF NSSA external type 1, N2 – OSPF NSSA external type 2
E1 – OSPF external type 1, E2 – OSPF
external type 2
external type 2
i – IS-IS, su – IS-IS summary, L1 –
IS-IS level-1, L2 – IS-IS level-2
IS-IS level-1, L2 – IS-IS level-2
ia – IS-IS inter area, * – candidate
default, U – per-user static route
default, U – per-user static route
o – ODR, P – periodic downloaded static
route, H – NHRP
route, H – NHRP
+ – replicated route, % – next hop
override
override
Gateway of
last resort is not set
last resort is not set
2.0.0.0/32 is subnetted, 1 subnets
B 2.2.2.2 [200/0] via 23.23.23.2,
00:12:57
00:12:57
3.0.0.0/32 is subnetted, 1 subnets
C 3.3.3.3 is directly connected,
Loopback0
Loopback0
4.0.0.0/32 is subnetted, 1 subnets
B 4.4.4.4 [200/0] via 34.34.34.4,
00:12:57
00:12:57
5.0.0.0/32 is subnetted, 1 subnets
B 5.5.5.5 [200/0] via 23.23.23.2,
00:12:57
00:12:57
12.0.0.0/8 is variably subnetted, 2
subnets, 2 masks
subnets, 2 masks
C 12.12.12.0/24 is directly connected,
FastEthernet2/0
FastEthernet2/0
L 12.12.12.2/32 is directly connected,
FastEthernet2/0
FastEthernet2/0
23.0.0.0/8 is variably subnetted, 2
subnets, 2 masks
subnets, 2 masks
C 23.23.23.0/24 is directly connected,
FastEthernet0/0
FastEthernet0/0
L 23.23.23.3/32 is directly connected,
FastEthernet0/0
FastEthernet0/0
25.0.0.0/8 is variably subnetted, 2
subnets, 2 masks
subnets, 2 masks
C 25.25.25.0/24 is directly connected,
FastEthernet1/0
FastEthernet1/0
L 25.25.25.2/32 is directly connected,
FastEthernet1/0
FastEthernet1/0
34.0.0.0/8 is variably subnetted, 2
subnets, 2 masks
subnets, 2 masks
C 34.34.34.0/24 is directly connected,
FastEthernet0/1
FastEthernet0/1
L 34.34.34.3/32 is directly connected, FastEthernet0/1
R3#
R4:-
R4#sh ip bgp
summary
summary
BGP router
identifier 4.4.4.4, local AS number 2
identifier 4.4.4.4, local AS number 2
BGP table
version is 5, main routing table version 5
version is 5, main routing table version 5
4 network
entries using 512 bytes of memory
entries using 512 bytes of memory
4 path
entries using 208 bytes of memory
entries using 208 bytes of memory
3/3 BGP
path/bestpath attribute entries using 372 bytes of memory
path/bestpath attribute entries using 372 bytes of memory
1 BGP rrinfo
entries using 24 bytes of memory
entries using 24 bytes of memory
1 BGP
AS-PATH entries using 24 bytes of memory
AS-PATH entries using 24 bytes of memory
0 BGP
route-map cache entries using 0 bytes of memory
route-map cache entries using 0 bytes of memory
0 BGP
filter-list cache entries using 0 bytes of memory
filter-list cache entries using 0 bytes of memory
BGP using
1140 total bytes of memory
1140 total bytes of memory
BGP activity
4/0 prefixes, 4/0 paths, scan interval 60 secs
4/0 prefixes, 4/0 paths, scan interval 60 secs
Neighbor V AS MsgRcvd MsgSent TblVer
InQ OutQ Up/Down State/PfxRcd
InQ OutQ Up/Down State/PfxRcd
34.34.34.3 4 2 21
19 5 0
0 00:13:19 3
19 5 0
0 00:13:19 3
R4#sh ip bgp
BGP table
version is 5, local router ID is 4.4.4.4
version is 5, local router ID is 4.4.4.4
Status
codes: s suppressed, d damped, h history, * valid, > best, i – internal,
codes: s suppressed, d damped, h history, * valid, > best, i – internal,
r RIB-failure, S Stale, m
multipath, b backup-path, x best-external
multipath, b backup-path, x best-external
Origin
codes: i – IGP, e – EGP, ? – incomplete
codes: i – IGP, e – EGP, ? – incomplete
Network Next Hop Metric LocPrf Weight Path
*>i2.2.2.2/32 23.23.23.2 0 100
0 i
0 i
*>i3.3.3.3/32 34.34.34.3 0 100
0 i
0 i
*>
4.4.4.4/32 0.0.0.0 0 32768 i
4.4.4.4/32 0.0.0.0 0 32768 i
*>i5.5.5.5/32 23.23.23.2 0 100
0 3 i
0 3 i
R4#sh ip rou
R4#sh ip
route
route
Codes: L –
local, C – connected, S – static, R – RIP, M – mobile, B – BGP
local, C – connected, S – static, R – RIP, M – mobile, B – BGP
D – EIGRP, EX – EIGRP external, O –
OSPF, IA – OSPF inter area
OSPF, IA – OSPF inter area
N1 – OSPF NSSA external type 1, N2 –
OSPF NSSA external type 2
OSPF NSSA external type 2
E1 – OSPF external type 1, E2 – OSPF
external type 2
external type 2
i – IS-IS, su – IS-IS summary, L1 –
IS-IS level-1, L2 – IS-IS level-2
IS-IS level-1, L2 – IS-IS level-2
ia – IS-IS inter area, * – candidate
default, U – per-user static route
default, U – per-user static route
o – ODR, P – periodic downloaded static
route, H – NHRP
route, H – NHRP
+ – replicated route, % – next hop
override
override
Gateway of
last resort is not set
last resort is not set
2.0.0.0/32 is subnetted, 1 subnets
B 2.2.2.2 [200/0] via 23.23.23.2,
00:13:22
00:13:22
3.0.0.0/32 is subnetted, 1 subnets
B 3.3.3.3 [200/0] via 34.34.34.3,
00:13:22
00:13:22
4.0.0.0/32 is subnetted, 1 subnets
C 4.4.4.4 is directly connected,
Loopback0
Loopback0
5.0.0.0/32 is subnetted, 1 subnets
B 5.5.5.5 [200/0] via 23.23.23.2,
00:13:22
00:13:22
23.0.0.0/24 is subnetted, 1 subnets
D 23.23.23.0 [90/30720] via 34.34.34.3,
00:14:36, FastEthernet0/1
00:14:36, FastEthernet0/1
34.0.0.0/8 is variably subnetted, 2
subnets, 2 masks
subnets, 2 masks
C 34.34.34.0/24 is directly connected,
FastEthernet0/1
FastEthernet0/1
L 34.34.34.4/32 is directly connected,
FastEthernet0/1
FastEthernet0/1
45.0.0.0/8 is variably subnetted, 2
subnets, 2 masks
subnets, 2 masks
C 45.45.45.0/24 is directly connected,
FastEthernet2/0
FastEthernet2/0
L 45.45.45.4/32 is directly connected,
FastEthernet2/0
FastEthernet2/0
R4#
R5:-
R5#sh ip bgp
summary
summary
BGP router
identifier 5.5.5.5, local AS number 3
identifier 5.5.5.5, local AS number 3
BGP table
version is 5, main routing table version 5
version is 5, main routing table version 5
3 network
entries using 384 bytes of memory
entries using 384 bytes of memory
3 path
entries using 156 bytes of memory
entries using 156 bytes of memory
3/3 BGP path/bestpath
attribute entries using 372 bytes of memory
attribute entries using 372 bytes of memory
1 BGP
AS-PATH entries using 24 bytes of memory
AS-PATH entries using 24 bytes of memory
0 BGP
route-map cache entries using 0 bytes of memory
route-map cache entries using 0 bytes of memory
0 BGP
filter-list cache entries using 0 bytes of memory
filter-list cache entries using 0 bytes of memory
BGP using
936 total bytes of memory
936 total bytes of memory
BGP activity
3/0 prefixes, 3/0 paths, scan interval 60 secs
3/0 prefixes, 3/0 paths, scan interval 60 secs
Neighbor V AS MsgRcvd MsgSent TblVer
InQ OutQ Up/Down State/PfxRcd
InQ OutQ Up/Down State/PfxRcd
25.25.25.2 4 2 43
42 5 0
0 00:34:31 2
42 5 0
0 00:34:31 2
R5#sh ip bgp–<<< No R1 Route advertised from R2 to R5
BGP table
version is 5, local router ID is 5.5.5.5
version is 5, local router ID is 5.5.5.5
Status
codes: s suppressed, d damped, h history, * valid, > best, i – internal,
codes: s suppressed, d damped, h history, * valid, > best, i – internal,
r RIB-failure, S Stale, m
multipath, b backup-path, x best-external
multipath, b backup-path, x best-external
Origin
codes: i – IGP, e – EGP, ? – incomplete
codes: i – IGP, e – EGP, ? – incomplete
Network Next Hop Metric LocPrf Weight Path
*>
2.2.2.2/32 25.25.25.2 0 0 2 i
2.2.2.2/32 25.25.25.2 0 0 2 i
*>
3.3.3.3/32 25.25.25.2 0 2 i
3.3.3.3/32 25.25.25.2 0 2 i
*>
5.5.5.5/32 0.0.0.0 0 32768 i
5.5.5.5/32 0.0.0.0 0 32768 i
R5#sh ip
route
route
Codes: L –
local, C – connected, S – static, R – RIP, M – mobile, B – BGP
local, C – connected, S – static, R – RIP, M – mobile, B – BGP
D – EIGRP, EX – EIGRP external, O –
OSPF, IA – OSPF inter area
OSPF, IA – OSPF inter area
N1 – OSPF NSSA external type 1, N2 –
OSPF NSSA external type 2
OSPF NSSA external type 2
E1
– OSPF external type 1, E2 – OSPF external type 2
– OSPF external type 1, E2 – OSPF external type 2
i – IS-IS, su – IS-IS summary, L1 –
IS-IS level-1, L2 – IS-IS level-2
IS-IS level-1, L2 – IS-IS level-2
ia – IS-IS inter area, * – candidate
default, U – per-user static route
default, U – per-user static route
o – ODR, P – periodic downloaded static
route, H – NHRP
route, H – NHRP
+ – replicated route, % – next hop
override
override
Gateway of
last resort is not set
last resort is not set
2.0.0.0/32 is subnetted, 1 subnets
B 2.2.2.2 [20/0] via 25.25.25.2, 00:34:03
3.0.0.0/32 is subnetted, 1 subnets
B 3.3.3.3 [20/0] via 25.25.25.2, 00:13:52
5.0.0.0/32 is subnetted, 1 subnets
C 5.5.5.5 is directly connected,
Loopback0
Loopback0
25.0.0.0/8 is variably subnetted, 2
subnets, 2 masks
subnets, 2 masks
C 25.25.25.0/24 is directly connected,
FastEthernet1/0
FastEthernet1/0
L 25.25.25.5/32 is directly connected,
FastEthernet1/0
FastEthernet1/0