Simple IS-IS - All L2 Routers - All Serial
R1
R1#show ip int br | exc unassi
Interface IP-Address OK? Method Status Protocol
Serial1/0 10.0.0.1 YES NVRAM up up
Loopback0 172.17.1.1 YES NVRAM up up
Loopback1 172.17.2.1 YES NVRAM up up
R1#show clns is-neighbors
System Id Interface State Type Priority Circuit Id Format
R2 Se1/0 Up L2 0 00 Phase V
R1#show isis topology
IS-IS paths to level-2 routers
System Id Metric Next-Hop Interface SNPA
R1 --
R2 10 R2 Se1/0 *HDLC*
R3 20 R2 Se1/0 *HDLC*
R1#show isis database
IS-IS Level-2 Link State Database:
LSPID LSP Seq Num LSP Checksum LSP Holdtime ATT/P/OL
R1.00-00 * 0x00000793 0x6894 1145 0/0/0
R2.00-00 0x00000009 0xB994 1138 0/0/0
R3.00-00 0x00000005 0xE37B 380 0/0/0
R1#show isis database detail
IS-IS Level-2 Link State Database:
LSPID LSP Seq Num LSP Checksum LSP Holdtime ATT/P/OL
R1.00-00 * 0x00000793 0x6894 1136 0/0/0
Area Address: 49.0001
NLPID: 0xCC
Hostname: R1
IP Address: 172.17.1.1
Metric: 10 IS R2.00
Metric: 10 IP 10.0.0.0 255.255.255.0
Metric: 10 IP 172.17.1.0 255.255.255.0
Metric: 10 IP 172.17.2.0 255.255.255.0
R2.00-00 0x00000009 0xB994 1129 0/0/0
Area Address: 49.0001
NLPID: 0xCC
Hostname: R2
IP Address: 192.168.1.1
Metric: 10 IS R3.00
Metric: 10 IS R1.00
Metric: 10 IP 10.0.0.0 255.255.255.0
Metric: 10 IP 10.1.0.0 255.255.255.0
Metric: 10 IP 192.168.1.0 255.255.255.0
Metric: 10 IP 192.168.2.0 255.255.255.0
R3.00-00 0x00000005 0xE37B 370 0/0/0
Area Address: 49.0002
NLPID: 0xCC
Hostname: R3
IP Address: 192.168.100.1
Metric: 10 IS R2.00
Metric: 10 IP 10.1.0.0 255.255.255.0
Metric: 10 IP 192.168.100.0 255.255.255.0
Metric: 10 IP 192.168.101.0 255.255.255.0
R2
R2#show ip int br | exc unas
Interface IP-Address OK? Method Status Protocol
Serial1/0 10.0.0.2 YES NVRAM up up
Serial1/1 10.1.0.1 YES NVRAM up up
Loopback0 192.168.1.1 YES NVRAM up up
Loopback1 192.168.2.1 YES NVRAM up up
R2#show clns is-neighbors
System Id Interface State Type Priority Circuit Id Format
R3 Se1/1 Up L2 0 00 Phase V
R1 Se1/0 Up L2 0 00 Phase V
R2#show isis topology
IS-IS paths to level-2 routers
System Id Metric Next-Hop Interface SNPA
R1 10 R1 Se1/0 *HDLC*
R2 --
R3 10 R3 Se1/1 *HDLC*
R2#show isis database
IS-IS Level-2 Link State Database:
LSPID LSP Seq Num LSP Checksum LSP Holdtime ATT/P/OL
R1.00-00 0x00000793 0x6894 1046 0/0/0
R2.00-00 * 0x00000009 0xB994 1043 0/0/0
R3.00-00 0x00000006 0xE17C 1125 0/0/0
R2#show isis database detail
IS-IS Level-2 Link State Database:
LSPID LSP Seq Num LSP Checksum LSP Holdtime ATT/P/OL
R1.00-00 0x00000793 0x6894 1022 0/0/0
Area Address: 49.0001
NLPID: 0xCC
Hostname: R1
IP Address: 172.17.1.1
Metric: 10 IS R2.00
Metric: 10 IP 10.0.0.0 255.255.255.0
Metric: 10 IP 172.17.1.0 255.255.255.0
Metric: 10 IP 172.17.2.0 255.255.255.0
R2.00-00 * 0x00000009 0xB994 1019 0/0/0
Area Address: 49.0001
NLPID: 0xCC
Hostname: R2
IP Address: 192.168.1.1
Metric: 10 IS R3.00
Metric: 10 IS R1.00
Metric: 10 IP 10.0.0.0 255.255.255.0
Metric: 10 IP 10.1.0.0 255.255.255.0
Metric: 10 IP 192.168.1.0 255.255.255.0
Metric: 10 IP 192.168.2.0 255.255.255.0
R3.00-00 0x00000006 0xE17C 1100 0/0/0
Area Address: 49.0002
NLPID: 0xCC
Hostname: R3
IP Address: 192.168.100.1
Metric: 10 IS R2.00
Metric: 10 IP 10.1.0.0 255.255.255.0
Metric: 10 IP 192.168.100.0 255.255.255.0
Metric: 10 IP 192.168.101.0 255.255.255.0
R3
R3#show ip int br | exc unass
Interface IP-Address OK? Method Status Protocol
Serial1/0 10.1.0.2 YES NVRAM up up
Loopback0 192.168.100.1 YES NVRAM up up
Loopback1 192.168.101.1 YES NVRAM up up
R3#show clns is-neighbors
System Id Interface State Type Priority Circuit Id Format
R2 Se1/0 Up L2 0 00 Phase V
R3#show isis database
IS-IS Level-2 Link State Database:
LSPID LSP Seq Num LSP Checksum LSP Holdtime ATT/P/OL
R1.00-00 0x00000793 0x6894 925 0/0/0
R2.00-00 0x00000009 0xB994 922 0/0/0
R3.00-00 * 0x00000006 0xE17C 1008 0/0/0
R3#show isis database detail
IS-IS Level-2 Link State Database:
LSPID LSP Seq Num LSP Checksum LSP Holdtime ATT/P/OL
R1.00-00 0x00000793 0x6894 913 0/0/0
Area Address: 49.0001
NLPID: 0xCC
Hostname: R1
IP Address: 172.17.1.1
Metric: 10 IS R2.00
Metric: 10 IP 10.0.0.0 255.255.255.0
Metric: 10 IP 172.17.1.0 255.255.255.0
Metric: 10 IP 172.17.2.0 255.255.255.0
R2.00-00 0x00000009 0xB994 910 0/0/0
Area Address: 49.0001
NLPID: 0xCC
Hostname: R2
IP Address: 192.168.1.1
Metric: 10 IS R3.00
Metric: 10 IS R1.00
Metric: 10 IP 10.0.0.0 255.255.255.0
Metric: 10 IP 10.1.0.0 255.255.255.0
Metric: 10 IP 192.168.1.0 255.255.255.0
Metric: 10 IP 192.168.2.0 255.255.255.0
R3.00-00 * 0x00000006 0xE17C 995 0/0/0
Area Address: 49.0002
NLPID: 0xCC
Hostname: R3
IP Address: 192.168.100.1
Metric: 10 IS R2.00
Metric: 10 IP 10.1.0.0 255.255.255.0
Metric: 10 IP 192.168.100.0 255.255.255.0
Metric: 10 IP 192.168.101.0 255.255.255.0
Simple IS-IS - All L1 Routers - All Serial
L1 neighborship will not form between L1 routers belong to different area. (See R2 (Area 49.0001) & R3 (Area 49.0002) link)
R1
R1#show clns is-neighbors
System Id Interface State Type Priority Circuit Id Format
R2 Se1/0 Up L1 0 00 Phase V
R1#show isis to
R1#show isis topology
IS-IS paths to level-1 routers
System Id Metric Next-Hop Interface SNPA
R1 --
R2 10 R2 Se1/0 *HDLC*
R1#show isis database
IS-IS Level-1 Link State Database:
LSPID LSP Seq Num LSP Checksum LSP Holdtime ATT/P/OL
R1.00-00 * 0x00000005 0x5440 1190 0/0/0
R2.00-00 0x00000005 0xC429 970 0/0/0
R1#show isis database detail
IS-IS Level-1 Link State Database:
LSPID LSP Seq Num LSP Checksum LSP Holdtime ATT/P/OL
R1.00-00 * 0x00000005 0x5440 1188 0/0/0
Area Address: 49.0001
NLPID: 0xCC
Hostname: R1
IP Address: 172.17.1.1
Metric: 10 IP 10.0.0.0 255.255.255.0
Metric: 10 IP 172.17.1.0 255.255.255.0
Metric: 10 IP 172.17.2.0 255.255.255.0
Metric: 10 IS R2.00
R2.00-00 0x00000005 0xC429 967 0/0/0
Area Address: 49.0001
NLPID: 0xCC
Hostname: R2
IP Address: 192.168.1.1
Metric: 10 IP 10.0.0.0 255.255.255.0
Metric: 10 IP 10.1.0.0 255.255.255.0
Metric: 10 IP 192.168.1.0 255.255.255.0
Metric: 10 IP 192.168.2.0 255.255.255.0
Metric: 10 IS R1.00
R2
R2#show clns is-neighbors
System Id Interface State Type Priority Circuit Id Format
0000.0000.0003 Se1/1 Up IS 0 00 Phase V
R1 Se1/0 Up L1 0 00 Phase V
R2#show isis topology
IS-IS paths to level-1 routers
System Id Metric Next-Hop Interface SNPA
R1 10 R1 Se1/0 *HDLC*
R2 --
R2#show isis database
IS-IS Level-1 Link State Database:
LSPID LSP Seq Num LSP Checksum LSP Holdtime ATT/P/OL
R1.00-00 0x00000005 0x5440 1090 0/0/0
R2.00-00 * 0x00000005 0xC429 873 0/0/0
R2#show isis database detail
IS-IS Level-1 Link State Database:
LSPID LSP Seq Num LSP Checksum LSP Holdtime ATT/P/OL
R1.00-00 0x00000005 0x5440 1088 0/0/0
Area Address: 49.0001
NLPID: 0xCC
Hostname: R1
IP Address: 172.17.1.1
Metric: 10 IP 10.0.0.0 255.255.255.0
Metric: 10 IP 172.17.1.0 255.255.255.0
Metric: 10 IP 172.17.2.0 255.255.255.0
Metric: 10 IS R2.00
R2.00-00 * 0x00000005 0xC429 871 0/0/0
Area Address: 49.0001
NLPID: 0xCC
Hostname: R2
IP Address: 192.168.1.1
Metric: 10 IP 10.0.0.0 255.255.255.0
Metric: 10 IP 10.1.0.0 255.255.255.0
Metric: 10 IP 192.168.1.0 255.255.255.0
Metric: 10 IP 192.168.2.0 255.255.255.0
Metric: 10 IS R1.00
R3
R3#show clns is-neighbors
System Id Interface State Type Priority Circuit Id Format
0000.0000.0002 Se1/0 Up IS 0 00 Phase V
R3#
R3#show isis topology
IS-IS paths to level-1 routers
System Id Metric Next-Hop Interface SNPA
R3 --
R3#show isis database
IS-IS Level-1 Link State Database:
LSPID LSP Seq Num LSP Checksum LSP Holdtime ATT/P/OL
R3.00-00 * 0x00000006 0xF305 1133 0/0/0
R3#show isis database detail
IS-IS Level-1 Link State Database:
LSPID LSP Seq Num LSP Checksum LSP Holdtime ATT/P/OL
R3.00-00 * 0x00000006 0xF305 1131 0/0/0
Area Address: 49.0002
NLPID: 0xCC
Hostname: R3
IP Address: 192.168.100.1
Metric: 10 IP 10.1.0.0 255.255.255.0
Metric: 10 IP 192.168.100.0 255.255.255.0
Metric: 10 IP 192.168.101.0 255.255.255.0
No comments:
Post a Comment