©2016 RHC Technologies
R H C
TECHNOLOGIES
#LIKE #FOLLOW #WATCH
ISIS Routing
LAB WORKBOOK

Prepared By
Sai Linn Thu
©2016 RHC Technologies
R H C
TECHNOLOGIES
#LIKE #FOLLOW #WATCH
Fa0/0 Fa0/0
Lo0 – 1.1.1.1/24 R4	
  R2	
   R3	
  
49.0001.0000.0000.000x.00
R1	
   Fa1/0 Fa0/0 Fa1/0 Fa0/0
10.1.12.x/24 10.1.23.x/24 10.1.34.x/24
R1	
   R2	
  
int F0/0
ip add 10.1.12.1 255.255.255.0
!
Int lo0
ip add 1.1.1.1 255.255.255.0
!
int F0/0
ip add 10.1.12.2 255.255.255.0
!
int F0/1
ip add 10.1.23.2 255.255.255.0
!
Int lo0
ip add 2.2.2.2 255.255.255.0
!
R3	
   R4	
  
int F0/0
ip add 10.1.23.3 255.255.255.0
!
int F1/0
ip add 10.1.34.3 255.255.255.0
!
Int lo0
ip add 3.3.3.3 255.255.255.0
!
int F0/0
ip add 10.1.34.4 255.255.255.0
!
Int lo0
ip add 4.4.4.4 255.255.255.0
!
Lo0 – 4.4.4.4/24
Lo0 – 2.2.2.2/24 Lo0 – 3.3.3.3/24
49.0002.0000.0000.000x.00
©2016 RHC Technologies
R H C
TECHNOLOGIES
#LIKE #FOLLOW #WATCH
R1(config-­‐router)#is-­‐type	
  ?	
  
	
  	
  level-­‐1	
  	
  	
  	
  	
  	
  	
  Act	
  as	
  a	
  sta=on	
  router	
  only	
  
	
  	
  level-­‐1-­‐2	
  	
  	
  	
  	
  Act	
  as	
  both	
  a	
  sta=on	
  router	
  and	
  an	
  area	
  router	
  
	
  	
  level-­‐2-­‐only	
  	
  Act	
  as	
  an	
  area	
  router	
  only
©2016 RHC Technologies
R H C
TECHNOLOGIES
#LIKE #FOLLOW #WATCH
Fa0/0 Fa0/0
Lo0 – 1.1.1.1/24 R4	
  R2	
   R3	
  
49.0001.0000.0000.000x.00
R1	
   Fa1/0 Fa0/0 Fa1/0 Fa0/0
10.1.12.x/24 10.1.23.x/24 10.1.34.x/24
R1	
  (L1)	
   R2	
  (L1-­‐L2)	
  
router isis

net 49.0001.0000.0000.0001.00
is-type level-1
!
int F0/0
ip router isis
!
Int lo0
ip router isis
!
router isis

net 49.0001.0000.0000.0002.00
is-type level-1-2
!
int F0/0
ip router isis
!
int F0/1
ip router isis
!
Int lo0
ip router isis
!
R3	
  (L1-­‐L2)	
   R4	
  (L2)	
  
router isis

net 49.0002.0000.0000.0003.00
is-type level-1-2
!
int F0/0
ip router isis
!
int F1/0
ip router isis
!
Int lo0
ip router isis
!
router isis
net 49.0002.0000.0000.0004.00
is-type level-1
!
int F0/0
ip router isis
!
Int lo0
ip router isis
!
Lo0 – 4.4.4.4/24
Lo0 – 2.2.2.2/24 Lo0 – 3.3.3.3/24
49.0002.0000.0000.000x.00
©2016 RHC Technologies
R H C
TECHNOLOGIES
#LIKE #FOLLOW #WATCH
Verify “show isis neighbors” on all routers.
©2016 RHC Technologies
R H C
TECHNOLOGIES
#LIKE #FOLLOW #WATCH
Fa0/0 Fa0/0
Lo0 – 1.1.1.1/24 R4	
  R2	
   R3	
  
49.0001.0000.0000.000x.00
R1	
   Fa1/0 Fa0/0 Fa1/0 Fa0/0
10.1.12.x/24 10.1.23.x/24 10.1.34.x/24
Lo0 – 4.4.4.4/24
Lo0 – 2.2.2.2/24 Lo0 – 3.3.3.3/24
49.0002.0000.0000.000x.00
R1
R1#show ip route isis
2.0.0.0/24 is subnetted, 1 subnets
i L1 2.2.2.0 [115/20] via 10.1.12.2, FastEthernet0/0
10.0.0.0/24 is subnetted, 2 subnets
i L1 10.1.23.0 [115/20] via 10.1.12.2, FastEthernet0/0
i*L1 0.0.0.0/0 [115/10] via 10.1.12.2, FastEthernet0/0
R1#
R4
R4#sh ip route isis
3.0.0.0/24 is subnetted, 1 subnets
i L1 3.3.3.0 [115/20] via 10.1.34.3, FastEthernet0/0
10.0.0.0/24 is subnetted, 2 subnets
i L1 10.1.23.0 [115/20] via 10.1.34.3, FastEthernet0/0
i*L1 0.0.0.0/0 [115/10] via 10.1.34.3, FastEthernet0/0
R4#
©2016 RHC Technologies
R H C
TECHNOLOGIES
#LIKE #FOLLOW #WATCH
Fa0/0 Fa0/0
Lo0 – 1.1.1.1/24 R4	
  R2	
   R3	
  
49.0001.0000.0000.000x.00
R1	
   Fa1/0 Fa0/0 Fa1/0 Fa0/0
10.1.12.x/24 10.1.23.x/24 10.1.34.x/24
Lo0 – 4.4.4.4/24
Lo0 – 2.2.2.2/24 Lo0 – 3.3.3.3/24
49.0002.0000.0000.000x.00
R2
R2#sh ip route isis
1.0.0.0/24 is subnetted, 1 subnets
i L1 1.1.1.0 [115/20] via 10.1.12.1, FastEthernet0/0
3.0.0.0/24 is subnetted, 1 subnets
i L2 3.3.3.0 [115/20] via 10.1.23.3, FastEthernet1/0
4.0.0.0/24 is subnetted, 1 subnets
i L2 4.4.4.0 [115/30] via 10.1.23.3, FastEthernet1/0
10.0.0.0/24 is subnetted, 3 subnets
i L2 10.1.34.0 [115/20] via 10.1.23.3, FastEthernet1/0
R2#
©2016 RHC Technologies
R H C
TECHNOLOGIES
#LIKE #FOLLOW #WATCH
Fa0/0 Fa0/0
Lo0 – 1.1.1.1/24 R4	
  R2	
   R3	
  
49.0001.0000.0000.000x.00
R1	
   Fa1/0 Fa0/0 Fa1/0 Fa0/0
10.1.12.x/24 10.1.23.x/24 10.1.34.x/24
Lo0 – 4.4.4.4/24
Lo0 – 2.2.2.2/24 Lo0 – 3.3.3.3/24
49.0002.0000.0000.000x.00
R3
R3#sh ip route isis
1.0.0.0/24 is subnetted, 1 subnets
i L2 1.1.1.0 [115/30] via 10.1.23.2, FastEthernet0/0
2.0.0.0/24 is subnetted, 1 subnets
i L2 2.2.2.0 [115/20] via 10.1.23.2, FastEthernet0/0
4.0.0.0/24 is subnetted, 1 subnets
i L1 4.4.4.0 [115/20] via 10.1.34.4, FastEthernet1/0
10.0.0.0/24 is subnetted, 3 subnets
i L2 10.1.12.0 [115/20] via 10.1.23.2, FastEthernet0/0
R3#
©2016 RHC Technologies
R H C
TECHNOLOGIES
#LIKE #FOLLOW #WATCH
Let’s change R1 & R4 as is-type level-2-only !
©2016 RHC Technologies
R H C
TECHNOLOGIES
#LIKE #FOLLOW #WATCH
Fa0/0 Fa0/0
Lo0 – 1.1.1.1/24 R4	
  R2	
   R3	
  
49.0001.0000.0000.000x.00
R1	
   Fa1/0 Fa0/0 Fa1/0 Fa0/0
10.1.12.x/24 10.1.23.x/24 10.1.34.x/24
R1	
  (L2)	
   R2	
  (L1-­‐L2)	
  
router isis

net 49.0001.0000.0000.0001.00
is-type level-2-only
!
int F0/0
ip router isis
!
Int lo0
ip router isis
!
router isis

net 49.0001.0000.0000.0002.00
is-type level-1-2
!
int F0/0
ip router isis
!
int F0/1
ip router isis
!
Int lo0
ip router isis
!
R3	
  (L1-­‐L2)	
   R4	
  (L2)	
  
router isis

net 49.0002.0000.0000.0003.00
is-type level-1-2
!
int F0/0
ip router isis
!
int F1/0
ip router isis
!
Int lo0
ip router isis
!
router isis
net 49.0002.0000.0000.0004.00
is-type level-2-only
!
int F0/0
ip router isis
!
Int lo0
ip router isis
!
Lo0 – 4.4.4.4/24
Lo0 – 2.2.2.2/24 Lo0 – 3.3.3.3/24
49.0002.0000.0000.000x.00
©2016 RHC Technologies
R H C
TECHNOLOGIES
#LIKE #FOLLOW #WATCH
Verify “show isis neighbors” on all routers.
©2016 RHC Technologies
R H C
TECHNOLOGIES
#LIKE #FOLLOW #WATCH
Fa0/0 Fa0/0
Lo0 – 1.1.1.1/24 R4	
  R2	
   R3	
  
49.0001.0000.0000.000x.00
R1	
   Fa1/0 Fa0/0 Fa1/0 Fa0/0
10.1.12.x/24 10.1.23.x/24 10.1.34.x/24
Lo0 – 4.4.4.4/24
Lo0 – 2.2.2.2/24 Lo0 – 3.3.3.3/24
49.0002.0000.0000.000x.00
R1
R1#sh ip route isis
2.0.0.0/24 is subnetted, 1 subnets
i L2 2.2.2.0 [115/20] via 10.1.12.2, FastEthernet0/0
3.0.0.0/24 is subnetted, 1 subnets
i L2 3.3.3.0 [115/30] via 10.1.12.2, FastEthernet0/0
4.0.0.0/24 is subnetted, 1 subnets
i L2 4.4.4.0 [115/40] via 10.1.12.2, FastEthernet0/0
10.0.0.0/24 is subnetted, 3 subnets
i L2 10.1.23.0 [115/20] via 10.1.12.2, FastEthernet0/0
i L2 10.1.34.0 [115/30] via 10.1.12.2, FastEthernet0/0
R1#
©2016 RHC Technologies
R H C
TECHNOLOGIES
#LIKE #FOLLOW #WATCH
Fa0/0 Fa0/0
Lo0 – 1.1.1.1/24 R4	
  R2	
   R3	
  
49.0001.0000.0000.000x.00
R1	
   Fa1/0 Fa0/0 Fa1/0 Fa0/0
10.1.12.x/24 10.1.23.x/24 10.1.34.x/24
Lo0 – 4.4.4.4/24
Lo0 – 2.2.2.2/24 Lo0 – 3.3.3.3/24
49.0002.0000.0000.000x.00
R4
R4#sho ip route isis
1.0.0.0/24 is subnetted, 1 subnets
i L2 1.1.1.0 [115/40] via 10.1.34.3, FastEthernet0/0
2.0.0.0/24 is subnetted, 1 subnets
i L2 2.2.2.0 [115/30] via 10.1.34.3, FastEthernet0/0
3.0.0.0/24 is subnetted, 1 subnets
i L2 3.3.3.0 [115/20] via 10.1.34.3, FastEthernet0/0
10.0.0.0/24 is subnetted, 3 subnets
i L2 10.1.12.0 [115/30] via 10.1.34.3, FastEthernet0/0
i L2 10.1.23.0 [115/20] via 10.1.34.3, FastEthernet0/0
R4#
©2016 RHC Technologies
R H C
TECHNOLOGIES
#LIKE #FOLLOW #WATCH
Fa0/0 Fa0/0
Lo0 – 1.1.1.1/24 R4	
  R2	
   R3	
  
49.0001.0000.0000.000x.00
R1	
   Fa1/0 Fa0/0 Fa1/0 Fa0/0
10.1.12.x/24 10.1.23.x/24 10.1.34.x/24
Lo0 – 4.4.4.4/24
Lo0 – 2.2.2.2/24 Lo0 – 3.3.3.3/24
49.0002.0000.0000.000x.00
R2
R2#sh ip route isis
1.0.0.0/24 is subnetted, 1 subnets
i L2 1.1.1.0 [115/20] via 10.1.12.1, FastEthernet0/0
3.0.0.0/24 is subnetted, 1 subnets
i L2 3.3.3.0 [115/20] via 10.1.23.3, FastEthernet1/0
4.0.0.0/24 is subnetted, 1 subnets
i L2 4.4.4.0 [115/30] via 10.1.23.3, FastEthernet1/0
10.0.0.0/24 is subnetted, 3 subnets
i L2 10.1.34.0 [115/20] via 10.1.23.3, FastEthernet1/0
R2#
©2016 RHC Technologies
R H C
TECHNOLOGIES
#LIKE #FOLLOW #WATCH
Fa0/0 Fa0/0
Lo0 – 1.1.1.1/24 R4	
  R2	
   R3	
  
49.0001.0000.0000.000x.00
R1	
   Fa1/0 Fa0/0 Fa1/0 Fa0/0
10.1.12.x/24 10.1.23.x/24 10.1.34.x/24
Lo0 – 4.4.4.4/24
Lo0 – 2.2.2.2/24 Lo0 – 3.3.3.3/24
49.0002.0000.0000.000x.00
R3
R3#sh ip route isis
1.0.0.0/24 is subnetted, 1 subnets
i L2 1.1.1.0 [115/30] via 10.1.23.2, FastEthernet0/0
2.0.0.0/24 is subnetted, 1 subnets
i L2 2.2.2.0 [115/20] via 10.1.23.2, FastEthernet0/0
4.0.0.0/24 is subnetted, 1 subnets
i L2 4.4.4.0 [115/20] via 10.1.34.4, FastEthernet1/0
10.0.0.0/24 is subnetted, 3 subnets
i L2 10.1.12.0 [115/20] via 10.1.23.2, FastEthernet0/0
R3#
©2016 RHC Technologies
R H C
TECHNOLOGIES
#LIKE #FOLLOW #WATCH
Let’s change R2 & R3 as is-type level-2-only !
©2016 RHC Technologies
R H C
TECHNOLOGIES
#LIKE #FOLLOW #WATCH
Fa0/0 Fa0/0
Lo0 – 1.1.1.1/24 R4	
  R2	
   R3	
  
49.0001.0000.0000.000x.00
R1	
   Fa1/0 Fa0/0 Fa1/0 Fa0/0
10.1.12.x/24 10.1.23.x/24 10.1.34.x/24
R1	
  (L2)	
   R2	
  (L2)	
  
router isis

net 49.0001.0000.0000.0001.00
is-type level-2-only
!
int F0/0
ip router isis
!
Int lo0
ip router isis
!
router isis

net 49.0001.0000.0000.0002.00
is-type level-2-only
!
int F0/0
ip router isis
!
int F0/1
ip router isis
!
Int lo0
ip router isis
!
R3	
  (L2)	
   R4	
  (L2)	
  
router isis

net 49.0002.0000.0000.0003.00
is-type level-2-only
!
int F0/0
ip router isis
!
int F1/0
ip router isis
!
Int lo0
ip router isis
!
router isis
net 49.0002.0000.0000.0004.00
is-type level-2-only
!
int F0/0
ip router isis
!
Int lo0
ip router isis
!
Lo0 – 4.4.4.4/24
Lo0 – 2.2.2.2/24 Lo0 – 3.3.3.3/24
49.0002.0000.0000.000x.00
©2016 RHC Technologies
R H C
TECHNOLOGIES
#LIKE #FOLLOW #WATCH
Verify “show isis neighbors” on all routers.
©2016 RHC Technologies
R H C
TECHNOLOGIES
#LIKE #FOLLOW #WATCH
Verify “show ip route isis” on all routers.
©2016 RHC Technologies
R H C
TECHNOLOGIES
#LIKE #FOLLOW #WATCH
Let’s change R2 & R3 as is-type level-1 !
©2016 RHC Technologies
R H C
TECHNOLOGIES
#LIKE #FOLLOW #WATCH
Fa0/0 Fa0/0
Lo0 – 1.1.1.1/24 R4	
  R2	
   R3	
  
49.0001.0000.0000.000x.00
R1	
   Fa1/0 Fa0/0 Fa1/0 Fa0/0
10.1.12.x/24 10.1.23.x/24 10.1.34.x/24
R1	
  (L2)	
   R2	
  (L1)	
  
router isis

net 49.0001.0000.0000.0001.00
is-type level-2-only
!
int F0/0
ip router isis
!
Int lo0
ip router isis
!
router isis

net 49.0001.0000.0000.0002.00
is-type level-1
!
int F0/0
ip router isis
!
int F0/1
ip router isis
!
Int lo0
ip router isis
!
R3	
  (L1)	
   R4	
  (L2)	
  
router isis

net 49.0002.0000.0000.0003.00
is-type level-1
!
int F0/0
ip router isis
!
int F1/0
ip router isis
!
Int lo0
ip router isis
!
router isis
net 49.0002.0000.0000.0004.00
is-type level-2-only
!
int F0/0
ip router isis
!
Int lo0
ip router isis
!
Lo0 – 4.4.4.4/24
Lo0 – 2.2.2.2/24 Lo0 – 3.3.3.3/24
49.0002.0000.0000.000x.00
©2016 RHC Technologies
R H C
TECHNOLOGIES
#LIKE #FOLLOW #WATCH
Verify “show isis neighbors” on all routers.
©2016 RHC Technologies
R H C
TECHNOLOGIES
#LIKE #FOLLOW #WATCH
L1/L2 L1/L2
L1/L2
L1 L1
L1L1
L1
L2
L2
L2
L2
L2
49.0001
49.0002
49.0003
49.0004
49.0005
© www.rhctechnologies.com
R H C
TECHNOLOGIES
RHC Technologies
#LIKE #FOLLOW #WATCH

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IS-IS Routing Lab WorkBook

  • 1. ©2016 RHC Technologies R H C TECHNOLOGIES #LIKE #FOLLOW #WATCH ISIS Routing LAB WORKBOOK Prepared By Sai Linn Thu
  • 2. ©2016 RHC Technologies R H C TECHNOLOGIES #LIKE #FOLLOW #WATCH Fa0/0 Fa0/0 Lo0 – 1.1.1.1/24 R4  R2   R3   49.0001.0000.0000.000x.00 R1   Fa1/0 Fa0/0 Fa1/0 Fa0/0 10.1.12.x/24 10.1.23.x/24 10.1.34.x/24 R1   R2   int F0/0 ip add 10.1.12.1 255.255.255.0 ! Int lo0 ip add 1.1.1.1 255.255.255.0 ! int F0/0 ip add 10.1.12.2 255.255.255.0 ! int F0/1 ip add 10.1.23.2 255.255.255.0 ! Int lo0 ip add 2.2.2.2 255.255.255.0 ! R3   R4   int F0/0 ip add 10.1.23.3 255.255.255.0 ! int F1/0 ip add 10.1.34.3 255.255.255.0 ! Int lo0 ip add 3.3.3.3 255.255.255.0 ! int F0/0 ip add 10.1.34.4 255.255.255.0 ! Int lo0 ip add 4.4.4.4 255.255.255.0 ! Lo0 – 4.4.4.4/24 Lo0 – 2.2.2.2/24 Lo0 – 3.3.3.3/24 49.0002.0000.0000.000x.00
  • 3. ©2016 RHC Technologies R H C TECHNOLOGIES #LIKE #FOLLOW #WATCH R1(config-­‐router)#is-­‐type  ?      level-­‐1              Act  as  a  sta=on  router  only      level-­‐1-­‐2          Act  as  both  a  sta=on  router  and  an  area  router      level-­‐2-­‐only    Act  as  an  area  router  only
  • 4. ©2016 RHC Technologies R H C TECHNOLOGIES #LIKE #FOLLOW #WATCH Fa0/0 Fa0/0 Lo0 – 1.1.1.1/24 R4  R2   R3   49.0001.0000.0000.000x.00 R1   Fa1/0 Fa0/0 Fa1/0 Fa0/0 10.1.12.x/24 10.1.23.x/24 10.1.34.x/24 R1  (L1)   R2  (L1-­‐L2)   router isis
 net 49.0001.0000.0000.0001.00 is-type level-1 ! int F0/0 ip router isis ! Int lo0 ip router isis ! router isis
 net 49.0001.0000.0000.0002.00 is-type level-1-2 ! int F0/0 ip router isis ! int F0/1 ip router isis ! Int lo0 ip router isis ! R3  (L1-­‐L2)   R4  (L2)   router isis
 net 49.0002.0000.0000.0003.00 is-type level-1-2 ! int F0/0 ip router isis ! int F1/0 ip router isis ! Int lo0 ip router isis ! router isis net 49.0002.0000.0000.0004.00 is-type level-1 ! int F0/0 ip router isis ! Int lo0 ip router isis ! Lo0 – 4.4.4.4/24 Lo0 – 2.2.2.2/24 Lo0 – 3.3.3.3/24 49.0002.0000.0000.000x.00
  • 5. ©2016 RHC Technologies R H C TECHNOLOGIES #LIKE #FOLLOW #WATCH Verify “show isis neighbors” on all routers.
  • 6. ©2016 RHC Technologies R H C TECHNOLOGIES #LIKE #FOLLOW #WATCH Fa0/0 Fa0/0 Lo0 – 1.1.1.1/24 R4  R2   R3   49.0001.0000.0000.000x.00 R1   Fa1/0 Fa0/0 Fa1/0 Fa0/0 10.1.12.x/24 10.1.23.x/24 10.1.34.x/24 Lo0 – 4.4.4.4/24 Lo0 – 2.2.2.2/24 Lo0 – 3.3.3.3/24 49.0002.0000.0000.000x.00 R1 R1#show ip route isis 2.0.0.0/24 is subnetted, 1 subnets i L1 2.2.2.0 [115/20] via 10.1.12.2, FastEthernet0/0 10.0.0.0/24 is subnetted, 2 subnets i L1 10.1.23.0 [115/20] via 10.1.12.2, FastEthernet0/0 i*L1 0.0.0.0/0 [115/10] via 10.1.12.2, FastEthernet0/0 R1# R4 R4#sh ip route isis 3.0.0.0/24 is subnetted, 1 subnets i L1 3.3.3.0 [115/20] via 10.1.34.3, FastEthernet0/0 10.0.0.0/24 is subnetted, 2 subnets i L1 10.1.23.0 [115/20] via 10.1.34.3, FastEthernet0/0 i*L1 0.0.0.0/0 [115/10] via 10.1.34.3, FastEthernet0/0 R4#
  • 7. ©2016 RHC Technologies R H C TECHNOLOGIES #LIKE #FOLLOW #WATCH Fa0/0 Fa0/0 Lo0 – 1.1.1.1/24 R4  R2   R3   49.0001.0000.0000.000x.00 R1   Fa1/0 Fa0/0 Fa1/0 Fa0/0 10.1.12.x/24 10.1.23.x/24 10.1.34.x/24 Lo0 – 4.4.4.4/24 Lo0 – 2.2.2.2/24 Lo0 – 3.3.3.3/24 49.0002.0000.0000.000x.00 R2 R2#sh ip route isis 1.0.0.0/24 is subnetted, 1 subnets i L1 1.1.1.0 [115/20] via 10.1.12.1, FastEthernet0/0 3.0.0.0/24 is subnetted, 1 subnets i L2 3.3.3.0 [115/20] via 10.1.23.3, FastEthernet1/0 4.0.0.0/24 is subnetted, 1 subnets i L2 4.4.4.0 [115/30] via 10.1.23.3, FastEthernet1/0 10.0.0.0/24 is subnetted, 3 subnets i L2 10.1.34.0 [115/20] via 10.1.23.3, FastEthernet1/0 R2#
  • 8. ©2016 RHC Technologies R H C TECHNOLOGIES #LIKE #FOLLOW #WATCH Fa0/0 Fa0/0 Lo0 – 1.1.1.1/24 R4  R2   R3   49.0001.0000.0000.000x.00 R1   Fa1/0 Fa0/0 Fa1/0 Fa0/0 10.1.12.x/24 10.1.23.x/24 10.1.34.x/24 Lo0 – 4.4.4.4/24 Lo0 – 2.2.2.2/24 Lo0 – 3.3.3.3/24 49.0002.0000.0000.000x.00 R3 R3#sh ip route isis 1.0.0.0/24 is subnetted, 1 subnets i L2 1.1.1.0 [115/30] via 10.1.23.2, FastEthernet0/0 2.0.0.0/24 is subnetted, 1 subnets i L2 2.2.2.0 [115/20] via 10.1.23.2, FastEthernet0/0 4.0.0.0/24 is subnetted, 1 subnets i L1 4.4.4.0 [115/20] via 10.1.34.4, FastEthernet1/0 10.0.0.0/24 is subnetted, 3 subnets i L2 10.1.12.0 [115/20] via 10.1.23.2, FastEthernet0/0 R3#
  • 9. ©2016 RHC Technologies R H C TECHNOLOGIES #LIKE #FOLLOW #WATCH Let’s change R1 & R4 as is-type level-2-only !
  • 10. ©2016 RHC Technologies R H C TECHNOLOGIES #LIKE #FOLLOW #WATCH Fa0/0 Fa0/0 Lo0 – 1.1.1.1/24 R4  R2   R3   49.0001.0000.0000.000x.00 R1   Fa1/0 Fa0/0 Fa1/0 Fa0/0 10.1.12.x/24 10.1.23.x/24 10.1.34.x/24 R1  (L2)   R2  (L1-­‐L2)   router isis
 net 49.0001.0000.0000.0001.00 is-type level-2-only ! int F0/0 ip router isis ! Int lo0 ip router isis ! router isis
 net 49.0001.0000.0000.0002.00 is-type level-1-2 ! int F0/0 ip router isis ! int F0/1 ip router isis ! Int lo0 ip router isis ! R3  (L1-­‐L2)   R4  (L2)   router isis
 net 49.0002.0000.0000.0003.00 is-type level-1-2 ! int F0/0 ip router isis ! int F1/0 ip router isis ! Int lo0 ip router isis ! router isis net 49.0002.0000.0000.0004.00 is-type level-2-only ! int F0/0 ip router isis ! Int lo0 ip router isis ! Lo0 – 4.4.4.4/24 Lo0 – 2.2.2.2/24 Lo0 – 3.3.3.3/24 49.0002.0000.0000.000x.00
  • 11. ©2016 RHC Technologies R H C TECHNOLOGIES #LIKE #FOLLOW #WATCH Verify “show isis neighbors” on all routers.
  • 12. ©2016 RHC Technologies R H C TECHNOLOGIES #LIKE #FOLLOW #WATCH Fa0/0 Fa0/0 Lo0 – 1.1.1.1/24 R4  R2   R3   49.0001.0000.0000.000x.00 R1   Fa1/0 Fa0/0 Fa1/0 Fa0/0 10.1.12.x/24 10.1.23.x/24 10.1.34.x/24 Lo0 – 4.4.4.4/24 Lo0 – 2.2.2.2/24 Lo0 – 3.3.3.3/24 49.0002.0000.0000.000x.00 R1 R1#sh ip route isis 2.0.0.0/24 is subnetted, 1 subnets i L2 2.2.2.0 [115/20] via 10.1.12.2, FastEthernet0/0 3.0.0.0/24 is subnetted, 1 subnets i L2 3.3.3.0 [115/30] via 10.1.12.2, FastEthernet0/0 4.0.0.0/24 is subnetted, 1 subnets i L2 4.4.4.0 [115/40] via 10.1.12.2, FastEthernet0/0 10.0.0.0/24 is subnetted, 3 subnets i L2 10.1.23.0 [115/20] via 10.1.12.2, FastEthernet0/0 i L2 10.1.34.0 [115/30] via 10.1.12.2, FastEthernet0/0 R1#
  • 13. ©2016 RHC Technologies R H C TECHNOLOGIES #LIKE #FOLLOW #WATCH Fa0/0 Fa0/0 Lo0 – 1.1.1.1/24 R4  R2   R3   49.0001.0000.0000.000x.00 R1   Fa1/0 Fa0/0 Fa1/0 Fa0/0 10.1.12.x/24 10.1.23.x/24 10.1.34.x/24 Lo0 – 4.4.4.4/24 Lo0 – 2.2.2.2/24 Lo0 – 3.3.3.3/24 49.0002.0000.0000.000x.00 R4 R4#sho ip route isis 1.0.0.0/24 is subnetted, 1 subnets i L2 1.1.1.0 [115/40] via 10.1.34.3, FastEthernet0/0 2.0.0.0/24 is subnetted, 1 subnets i L2 2.2.2.0 [115/30] via 10.1.34.3, FastEthernet0/0 3.0.0.0/24 is subnetted, 1 subnets i L2 3.3.3.0 [115/20] via 10.1.34.3, FastEthernet0/0 10.0.0.0/24 is subnetted, 3 subnets i L2 10.1.12.0 [115/30] via 10.1.34.3, FastEthernet0/0 i L2 10.1.23.0 [115/20] via 10.1.34.3, FastEthernet0/0 R4#
  • 14. ©2016 RHC Technologies R H C TECHNOLOGIES #LIKE #FOLLOW #WATCH Fa0/0 Fa0/0 Lo0 – 1.1.1.1/24 R4  R2   R3   49.0001.0000.0000.000x.00 R1   Fa1/0 Fa0/0 Fa1/0 Fa0/0 10.1.12.x/24 10.1.23.x/24 10.1.34.x/24 Lo0 – 4.4.4.4/24 Lo0 – 2.2.2.2/24 Lo0 – 3.3.3.3/24 49.0002.0000.0000.000x.00 R2 R2#sh ip route isis 1.0.0.0/24 is subnetted, 1 subnets i L2 1.1.1.0 [115/20] via 10.1.12.1, FastEthernet0/0 3.0.0.0/24 is subnetted, 1 subnets i L2 3.3.3.0 [115/20] via 10.1.23.3, FastEthernet1/0 4.0.0.0/24 is subnetted, 1 subnets i L2 4.4.4.0 [115/30] via 10.1.23.3, FastEthernet1/0 10.0.0.0/24 is subnetted, 3 subnets i L2 10.1.34.0 [115/20] via 10.1.23.3, FastEthernet1/0 R2#
  • 15. ©2016 RHC Technologies R H C TECHNOLOGIES #LIKE #FOLLOW #WATCH Fa0/0 Fa0/0 Lo0 – 1.1.1.1/24 R4  R2   R3   49.0001.0000.0000.000x.00 R1   Fa1/0 Fa0/0 Fa1/0 Fa0/0 10.1.12.x/24 10.1.23.x/24 10.1.34.x/24 Lo0 – 4.4.4.4/24 Lo0 – 2.2.2.2/24 Lo0 – 3.3.3.3/24 49.0002.0000.0000.000x.00 R3 R3#sh ip route isis 1.0.0.0/24 is subnetted, 1 subnets i L2 1.1.1.0 [115/30] via 10.1.23.2, FastEthernet0/0 2.0.0.0/24 is subnetted, 1 subnets i L2 2.2.2.0 [115/20] via 10.1.23.2, FastEthernet0/0 4.0.0.0/24 is subnetted, 1 subnets i L2 4.4.4.0 [115/20] via 10.1.34.4, FastEthernet1/0 10.0.0.0/24 is subnetted, 3 subnets i L2 10.1.12.0 [115/20] via 10.1.23.2, FastEthernet0/0 R3#
  • 16. ©2016 RHC Technologies R H C TECHNOLOGIES #LIKE #FOLLOW #WATCH Let’s change R2 & R3 as is-type level-2-only !
  • 17. ©2016 RHC Technologies R H C TECHNOLOGIES #LIKE #FOLLOW #WATCH Fa0/0 Fa0/0 Lo0 – 1.1.1.1/24 R4  R2   R3   49.0001.0000.0000.000x.00 R1   Fa1/0 Fa0/0 Fa1/0 Fa0/0 10.1.12.x/24 10.1.23.x/24 10.1.34.x/24 R1  (L2)   R2  (L2)   router isis
 net 49.0001.0000.0000.0001.00 is-type level-2-only ! int F0/0 ip router isis ! Int lo0 ip router isis ! router isis
 net 49.0001.0000.0000.0002.00 is-type level-2-only ! int F0/0 ip router isis ! int F0/1 ip router isis ! Int lo0 ip router isis ! R3  (L2)   R4  (L2)   router isis
 net 49.0002.0000.0000.0003.00 is-type level-2-only ! int F0/0 ip router isis ! int F1/0 ip router isis ! Int lo0 ip router isis ! router isis net 49.0002.0000.0000.0004.00 is-type level-2-only ! int F0/0 ip router isis ! Int lo0 ip router isis ! Lo0 – 4.4.4.4/24 Lo0 – 2.2.2.2/24 Lo0 – 3.3.3.3/24 49.0002.0000.0000.000x.00
  • 18. ©2016 RHC Technologies R H C TECHNOLOGIES #LIKE #FOLLOW #WATCH Verify “show isis neighbors” on all routers.
  • 19. ©2016 RHC Technologies R H C TECHNOLOGIES #LIKE #FOLLOW #WATCH Verify “show ip route isis” on all routers.
  • 20. ©2016 RHC Technologies R H C TECHNOLOGIES #LIKE #FOLLOW #WATCH Let’s change R2 & R3 as is-type level-1 !
  • 21. ©2016 RHC Technologies R H C TECHNOLOGIES #LIKE #FOLLOW #WATCH Fa0/0 Fa0/0 Lo0 – 1.1.1.1/24 R4  R2   R3   49.0001.0000.0000.000x.00 R1   Fa1/0 Fa0/0 Fa1/0 Fa0/0 10.1.12.x/24 10.1.23.x/24 10.1.34.x/24 R1  (L2)   R2  (L1)   router isis
 net 49.0001.0000.0000.0001.00 is-type level-2-only ! int F0/0 ip router isis ! Int lo0 ip router isis ! router isis
 net 49.0001.0000.0000.0002.00 is-type level-1 ! int F0/0 ip router isis ! int F0/1 ip router isis ! Int lo0 ip router isis ! R3  (L1)   R4  (L2)   router isis
 net 49.0002.0000.0000.0003.00 is-type level-1 ! int F0/0 ip router isis ! int F1/0 ip router isis ! Int lo0 ip router isis ! router isis net 49.0002.0000.0000.0004.00 is-type level-2-only ! int F0/0 ip router isis ! Int lo0 ip router isis ! Lo0 – 4.4.4.4/24 Lo0 – 2.2.2.2/24 Lo0 – 3.3.3.3/24 49.0002.0000.0000.000x.00
  • 22. ©2016 RHC Technologies R H C TECHNOLOGIES #LIKE #FOLLOW #WATCH Verify “show isis neighbors” on all routers.
  • 23. ©2016 RHC Technologies R H C TECHNOLOGIES #LIKE #FOLLOW #WATCH L1/L2 L1/L2 L1/L2 L1 L1 L1L1 L1 L2 L2 L2 L2 L2 49.0001 49.0002 49.0003 49.0004 49.0005
  • 24. © www.rhctechnologies.com R H C TECHNOLOGIES RHC Technologies #LIKE #FOLLOW #WATCH