Przebijam się przez laby na gns3vault.com. Zatrzymałem się na dłuższą chwilę na labie EIGRP-LAB
Jest tam polecenie:
Kod: Zaznacz cały
Perform mutual redistribution between EIGRP 100 and 200 on both R4 and R7. Use a strict tagging solution that ensures no routing loops; do not rely on AD or metrics to accomplish this.
Pomysł mam taki:
1. Na R4 w redystrybucji jest przypisana route-mapa, która odrzuca trasy z tag 7 a pozostałym daje tag 4
Kod: Zaznacz cały
interface Loopback0
ip address 4.4.4.4 255.255.255.255
!
interface Serial0/0
ip address 192.168.48.4 255.255.255.0
delay 3
clock rate 128000
!
interface Serial0/1
ip address 192.168.34.4 255.255.255.0
clock rate 128000
!
router eigrp 200
redistribute eigrp 100 route-map T4_D7
network 192.168.48.4 0.0.0.0
metric weights 0 0 0 1 0 0
no auto-summary
!
router eigrp 100
redistribute eigrp 200 route-map T4_D7
network 4.4.4.4 0.0.0.0
network 192.168.34.4 0.0.0.0
auto-summary
!
route-map T4_D7 deny 10
match tag 7
!
route-map T4_D7 permit 20
set tag 4
Kod: Zaznacz cały
interface Loopback0
ip address 7.7.7.7 255.255.255.255
!
interface FastEthernet0/0
ip address 192.168.78.7 255.255.255.0
delay 1
duplex auto
speed auto
!
interface Serial0/0
ip address 192.168.67.7 255.255.255.0
clock rate 2000000
!
interface FastEthernet0/1
ip address 192.168.27.7 255.255.255.0
duplex auto
speed auto
!
router eigrp 200
redistribute eigrp 100 route-map T7_D4
network 192.168.78.7 0.0.0.0
metric weights 0 0 0 1 0 0
no auto-summary
!
router eigrp 100
redistribute eigrp 200 route-map T7_D4
network 0.0.0.0
no auto-summary
!
route-map T7_D4 deny 10
match tag 4
!
route-map T7_D4 permit 20
set tag 7
Mój pomysł na sprawdzenie był taki, żeby sprawdzić trasę z R7 do loopbacka na R3:
Kod: Zaznacz cały
IP-EIGRP (AS 200): Topology entry for 3.3.3.3/32
State is Passive, Query origin flag is 1, 1 Successor(s), FD is 230400
Routing Descriptor Blocks:
192.168.27.2, from Redistributed, Send flag is 0x0
Composite metric is (230400/0), Route is External
Vector metric:
Minimum bandwidth is 10000 Kbit
Total delay is 9000 microseconds
Reliability is 255/255
Load is 1/255
Minimum MTU is 1500
Hop count is 4
External data:
Originating router is 7.7.7.7 (this system)
AS number of route is 100
External protocol is EIGRP, external metric is 486400
Administrator tag is 7 (0x00000007)
192.168.78.8 (FastEthernet0/0), from 192.168.78.8, Send flag is 0x0
Composite metric is (641024/640768), Route is External
Vector metric:
Minimum bandwidth is 1544 Kbit
Total delay is 25040 microseconds
Reliability is 255/255
Load is 1/255
Minimum MTU is 1500
Hop count is 3
External data:
Originating router is 4.4.4.4
AS number of route is 100
External protocol is EIGRP, external metric is 2297856
Administrator tag is 4 (0x00000004)
IP-EIGRP (AS 100): Topology entry for 3.3.3.3/32
State is Passive, Query origin flag is 1, 1 Successor(s), FD is 486400
Routing Descriptor Blocks:
192.168.27.2 (FastEthernet0/1), from 192.168.27.2, Send flag is 0x0
Composite metric is (486400/460800), Route is Internal
Vector metric:
Minimum bandwidth is 10000 Kbit
Total delay is 9000 microseconds
Reliability is 255/255
Load is 1/255
Minimum MTU is 1500
Hop count is 4
192.168.67.6 (Serial0/0), from 192.168.67.6, Send flag is 0x0
Composite metric is (2323456/409600), Route is Internal
Vector metric:
Minimum bandwidth is 1544 Kbit
Total delay is 26000 microseconds
Reliability is 255/255
Load is 1/255
Minimum MTU is 1500
Hop count is 2