IS-IS protocol configuration
address-family
This command enables the exchange of routes of the specified family over the ISIS protocol.
The use of a negative form (no) of the command sets the default time interval value.
Syntax
[no] address-family { ipv4 | ipv6 }Parameters
- ipv4 – ipv4 family;
- ipv6 – ipv6 family.
Default value
ipv4 – enabled;
ipv6 – disabled.
Required privilege level
10
Command mode
CONFIG-ISIS
Example
esr(config-isis)# address-family ipv4 authentication area algorithm
This command allows to select the authentication algorithm for the L1 layer, LSP/SNP packets will be encrypted.
The use of a negative form (no) of the command sets the default time interval value.
Syntax
authentication area algorithm <ALGORITHM>
no authentication area algorithm
Parameters
<ALGORITHM> – authentication algorithm:
- cleartext – password, transmitted in clear text;
- md5 – password is hashed by md5 algorithm.
Default value
Disabled.
Required privilege level
15
Command mode
CONFIG-ISIS
Example
esr(config-isis)# authentication area algorithm cleartext authentication area key
This command sets the authentication password for the L1 layer, this password will encrypt LSP/SNP packets.
The use of a negative form (no) of the command removes the password.
Syntax
authentication area key ascii-text { <CLEAR-TEXT> | encrypted <ENCRYPTED-TEXT> }
no authentication area keyParameters
<CLEAR-TEXT> – password, sets by string of [8..16] characters;
<ENCRYPTED-TEXT> – encrypted password of [8..16] bytes ([16..32] characters) in hexadecimal format (0xYYYY...) or (YYYY...).
Required privilege level
15
Command mode
CONFIG-ISIS
Example
esr(config-isis)# authentication area key ascii-text password authentication area key chain
This command sets the list of keys for L1 level authentication.
The use of a negative form (no) of the command removes a bind to the key list.
Syntax
authentication area key chain <KEYCHAIN>
no authentication area key chain
Parameters
<KEYCHAIN> – key list identifier, set by the string of [1..16] characters.
Required privilege level
15
Command mode
CONFIG-ISIS
Example
esr(config-isis)# authentication area key chain key-1 authentication domain algorithm
This command sets the authentication algorithm for the L2 layer, LSP/SNP packets will be encrypted.
The use of a negative form (no) of the command disables the authentication.
Syntax
authentication domain algorithm <ALGORITHM>
no authentication domain algorithm
Parameters
<ALGORITHM> – authentication algorithm:
- cleartext – password, transmitted in clear text;
- md5 – password is hashed by md5 algorithm.
Required privilege level
15
Command mode
CONFIG-ISIS
Example
esr(config-isis)# authentication domain algorithm cleartextauthentication domain key
This command sets the authentication password for the L2 layer, this password will encrypt LSP/SNP packets.
The use of a negative form (no) of the command removes the password.
Syntax
authentication domain key ascii-text { <CLEAR-TEXT> | encrypted <ENCRYPTED-TEXT> }
no authentication domain keyParameters
<CLEAR-TEXT> – password, sets by string of [8..16] characters;
<ENCRYPTED-TEXT> – encrypted password of [8..16] bytes ([16..32] characters) in hexadecimal format (0xYYYY...) or (YYYY...).
Required privilege level
15
Command mode
CONFIG-ISIS
Example
esr(config-isis)# authentication domain key ascii-text password authentication domain key chain
This command sets the list of keys for L2 level authentication.
The use of a negative form (no) of the command removes a bind to the key list.
Syntax
authentication domain key chain <KEYCHAIN>
no authentication domain key chain
Parameters
<KEYCHAIN> – key list identifier, set by the string of [1..16] characters.
Required privilege level
15
Command mode
CONFIG-ISIS
Example
esr(config-isis)# authentication domain key chain key-1 clear isis
This command restarts a specific IS-IS process. The command without parameters restarts all IS-IS processes configured on the router.
Syntax
clear isis [ <ID> ] [ vrf <VRF_NAME> ]
Parameters
<ID> – process number, takes values of [1..65535];
<VRF> – VRF instance name, set by the string of up to 31 characters.
Required privilege level
10
Command mode
ROOT
Example
esr# clear isis 15 hostname dynamic
This command enables the use of TLV 137, which allows the hostname of the router to be passed to the LSP.
The use of a negative form (no) of the command disables this feature.
Syntax
[no] hostname dynamic
Parameters
The command does not contain parameters
Default value
Disabled.
Required privilege level
10
Command mode
CONFIG-ISIS
Example
esr(config-isis)# hostname dynamic is-type
This command defines which routing layer the current IS-IS process will run on.
The use of a negative form (no) of the command sets the default value.
Syntax
is-type <LEVEL>
no is-type
Parameters
<LEVEL> – IS-IS protocol operation level:
- level-1 – operate only on level 1;
- level-1-2 – operate on levels 2 and 2;
- level-2-only – operate only on level 2.
Default value
level-1-2
Required privilege level
10
Command mode
CONFIG-ISIS
Example
esr(config-isis)# is-type level-1 isis adjacency point-to-point mode
This command sets the method of establishing a point-to-point neighborhood.
The use of a negative form (no) of the command sets the default value.
Syntax
isis adjacency point-to-point mode <MODE>
no isis adjacency point-to-point mode
Parameters
<MODE> – neighborhood establishment method:
- two-way-only – IIH with TLV 240 "Point-to-Point Three-Way Adjacency" will be processed, but TLV 240 will be ignored;
- three-way-only – IIH without TLV 240 will not be processed.
Default value
All methods allowed.
Required privilege level
10
Command mode
CONFIG-GI
CONFIG-TE
CONFIG-SUBIF
CONFIG-QINQ-IF
CONFIG-SERIAL
CONFIG-PORT-CHANNEL
CONFIG-BRIDGE
CONFIG-E1
CONFIG-MULTILINK
CONFIG-IP4IP4
CONFIG-GRE
CONFIG-LOOPBACK
CONFIG-LT
Example
esr(config-if-gi)# isis adjacency point-to-point mode three-way-onlyisis authentication algorithm
This command sets the authentication algorithm for hello (IIH) packets coming out of this interface.
The use of a negative form (no) of the command disables the authentication.
Syntax
isis authentication algorithm <ALGORITHM> [ <LEVEL> ]
no isis authentication algorithm [ <LEVEL> ]
Parameters
<ALGORITHM> – authentication algorithm:
- cleartext – password, transmitted in clear text;
- md5 – password is hashed by md5 algorithm;
<LEVEL> – IS-IS protocol operation level:
- level-1 – operate only on level 1;
- level-2-only – operate only on level 2.
Required privilege level
15
Command mode
CONFIG-GI
CONFIG-TE
CONFIG-SUBIF
CONFIG-QINQ-IF
CONFIG-SERIAL
CONFIG-PORT-CHANNEL
CONFIG-BRIDGE
CONFIG-E1
CONFIG-MULTILINK
CONFIG-IP4IP4
CONFIG-GRE
CONFIG-LOOPBACK
CONFIG-LT
Example
esr(config-if-gi)# isis authentication algorithm cleartext level-1 isis authentication key
This command sets a password to authenticate hello packets (IIH).
The use of a negative form (no) of the command removes the password.
Syntax
isis authentication key ascii-text { <CLEAR-TEXT> | encrypted <ENCRYPTED-TEXT> } [ <LEVEL> ]
no isis authentication key [ <LEVEL> ]Parameters
<CLEAR-TEXT> – password, sets by string of [8..16] characters;
<ENCRYPTED-TEXT> – encrypted password of [8..16] bytes ([16..32] characters) in hexadecimal format (0xYYYY...) or (YYYY...).
<LEVEL> – IS-IS protocol operation level:
- level-1 – operate only on level 1;
- level-2-only – operate only on level 2.
Required privilege level
15
Command mode
CONFIG-GI
CONFIG-TE
CONFIG-SUBIF
CONFIG-QINQ-IF
CONFIG-SERIAL
CONFIG-PORT-CHANNEL
CONFIG-BRIDGE
CONFIG-E1
CONFIG-MULTILINK
CONFIG-IP4IP4
CONFIG-GRE
CONFIG-LOOPBACK
CONFIG-LT
Example
esr(config-if-gi)# isis authentication key ascii-text password level-1 isis authentication key chain
This command sets a key list to authenticate hello packets (IIH).
The use of a negative form (no) of the command removes a bind to the key list.
Syntax
isis authentication key chain <KEYCHAIN> [ <LEVEL> ]
no isis authentication key chain [ <LEVEL> ]
Parameters
<KEYCHAIN> – key list identifier, set by the string of [1..16] characters.
<LEVEL> – IS-IS protocol operation level:
- level-1 – operate only on level 1;
- level-2-only – operate only on level 2.
Required privilege level
15
Command mode
CONFIG-GI
CONFIG-TE
CONFIG-SUBIF
CONFIG-QINQ-IF
CONFIG-SERIAL
CONFIG-PORT-CHANNEL
CONFIG-BRIDGE
CONFIG-E1
CONFIG-MULTILINK
CONFIG-IP4IP4
CONFIG-GRE
CONFIG-LOOPBACK
CONFIG-LT
Example
esr(config-if-gi)# isis authentication key chain key-1 level-1 isis circuit-type
This command defines which routing layer on the interface the current IS-IS process will run on.
The use of a negative form (no) of the command sets the operating level of the IS-IS protocol on the interface according to the configuration of the IS-IS process itself.
Syntax
isis circuit-type <LEVEL>
no isis circuit-type
Parameters
<LEVEL> – IS-IS protocol operation level:
- level-1 – operate only on level 1;
- level-1-2 – operate on levels 2 and 2;
- level-2-only – operate only on level 2.
Required privilege level
10
Command mode
CONFIG-GI
CONFIG-TE
CONFIG-SUBIF
CONFIG-QINQ-IF
CONFIG-SERIAL
CONFIG-PORT-CHANNEL
CONFIG-BRIDGE
CONFIG-E1
CONFIG-MULTILINK
CONFIG-IP4IP4
CONFIG-GRE
CONFIG-LOOPBACK
CONFIG-LT
Example
esr(config-if-gi)# isis circuit-type level-1
isis csnp-interval
This command sets the interval for generating and sending Complete Sequence Number Protocol Data Units (CSNP PDUs).
The use of a negative form (no) of the command sets the default value.
Syntax
isis csnp-interval <TIME> [ <LEVEL> ]
no isis csnp-interval [ <LEVEL> ]
Parameters
<TIME> – time in seconds, takes values of [1..65535];
<LEVEL> – IS-IS protocol operation level:
- level-1 – operate only on level 1;
- level-2-only – operate only on level 2.
Default value
10
Required privilege level
10
Command mode
CONFIG-GI
CONFIG-TE
CONFIG-SUBIF
CONFIG-QINQ-IF
CONFIG-SERIAL
CONFIG-PORT-CHANNEL
CONFIG-BRIDGE
CONFIG-E1
CONFIG-MULTILINK
CONFIG-IP4IP4
CONFIG-GRE
CONFIG-LOOPBACK
CONFIG-LT
Example
esr(config-if-gi)# isis csnp-interval 33 level-1
isis enable
This command enables the IS-IS protocol on the interface.
The use of a negative form (no) of the command disables IS-IS process.
Syntax
isis enable
no isis enable
Parameters
The command does not contain parameters
Default value
Disabled.
Required privilege level
10
Command mode
CONFIG-GI
CONFIG-TE
CONFIG-SUBIF
CONFIG-QINQ-IF
CONFIG-SERIAL
CONFIG-PORT-CHANNEL
CONFIG-BRIDGE
CONFIG-E1
CONFIG-MULTILINK
CONFIG-IP4IP4
CONFIG-GRE
CONFIG-LOOPBACK
CONFIG-LT
Example
esr(config-if-gi)# isis enable
isis hello-interval
This command sets the interval for sending hello packets (IIH) from the router interface.
The use of a negative form (no) of the command sets the default value.
Syntax
isis hello-interval <TIME> [ <LEVEL> ]
no isis hello-interval [ <LEVEL> ]
Parameters
<TIME> – time in seconds, takes values of [1..65535];
<LEVEL> – IS-IS protocol operation level:
- level-1 – operate only on level 1;
- level-2-only – operate only on level 2.
Default value
10
Required privilege level
10
Command mode
CONFIG-GI
CONFIG-TE
CONFIG-SUBIF
CONFIG-QINQ-IF
CONFIG-SERIAL
CONFIG-PORT-CHANNEL
CONFIG-BRIDGE
CONFIG-E1
CONFIG-MULTILINK
CONFIG-IP4IP4
CONFIG-GRE
CONFIG-LOOPBACK
CONFIG-LT
Example
esr(config-if-gi)# isis hello-interval 33 level-1 isis hello-multiplier
This command sets the multiplier for calculating and sending Hold Time (Hold Time = hello-timer * hello-multiplier) in hello packets (IIH).
The use of a negative form (no) of the command sets the default value.
Syntax
isis hello-multiplier <VALUE> [ <LEVEL> ]
no isis hello-multiplier [ <LEVEL> ]
Parameters
<VALUE> – number, may take values [3..1000];
<LEVEL> – IS-IS protocol operation level:
- level-1 – operate only on level 1;
- level-2-only – operate only on level 2.
Default value
3
Required privilege level
10
Command mode
CONFIG-GI
CONFIG-TE
CONFIG-SUBIF
CONFIG-QINQ-IF
CONFIG-SERIAL
CONFIG-PORT-CHANNEL
CONFIG-BRIDGE
CONFIG-E1
CONFIG-MULTILINK
CONFIG-IP4IP4
CONFIG-GRE
CONFIG-LOOPBACK
CONFIG-LT
Example
esr(config-if-gi)# isis hello-multiplier 34 level-1 isis instance
This command adds a bind of interface to a specified IS-IS process.
The use of a negative form (no) of the command removes a bind of interface to a specified IS-IS process.
Syntax
isis instance <ID>
no isis instance
Parameters
<ID> – process number, takes values of [1..65535].
Required privilege level
10
Command mode
CONFIG-GI
CONFIG-TE
CONFIG-SUBIF
CONFIG-QINQ-IF
CONFIG-SERIAL
CONFIG-PORT-CHANNEL
CONFIG-BRIDGE
CONFIG-E1
CONFIG-MULTILINK
CONFIG-IP4IP4
CONFIG-GRE
CONFIG-LOOPBACK
CONFIG-LT
Example
esr(config-if-gi)# isis instance 35
isis lsp-interval
This command sets the interval between successive transmissions of Link-state Packets (LSPs) on a Broadcast network.
The use of a negative form (no) of the command sets the default value.
Syntax
isis lsp-interval <TIME> [ <LEVEL> ]
no isis lsp-interval [ <LEVEL> ]
Parameters
<TIME> – time in milliseconds, takes values of [1-10000];
<LEVEL> – IS-IS protocol operation level:
- level-1 – operate only on level 1;
- level-2-only – operate only on level 2.
Default value
100
Required privilege level
10
Command mode
CONFIG-GI
CONFIG-TE
CONFIG-SUBIF
CONFIG-QINQ-IF
CONFIG-SERIAL
CONFIG-PORT-CHANNEL
CONFIG-BRIDGE
CONFIG-E1
CONFIG-MULTILINK
CONFIG-IP4IP4
CONFIG-GRE
CONFIG-LOOPBACK
CONFIG-LT
Example
esr(config-if-gi)# isis lsp-interval 36 level-2 isis lsp-retransmit-interval
This command sets the redistribution interval for all Link-state Packets (LSPs) on the PtP network.
The use of a negative form (no) of the command sets the default value.
Syntax
isis lsp-retransmit-interval <TIME> [ <LEVEL> ]
no isis lsp-retransmit-interval [ <LEVEL> ]
Parameters
<TIME> – time in seconds, takes values of [1..65535];
<LEVEL> – IS-IS protocol operation level:
- level-1 – operate only on level 1;
- level-2-only – operate only on level 2.
Default value
5
Required privilege level
10
Command mode
CONFIG-GI
CONFIG-TE
CONFIG-SUBIF
CONFIG-QINQ-IF
CONFIG-SERIAL
CONFIG-PORT-CHANNEL
CONFIG-BRIDGE
CONFIG-E1
CONFIG-MULTILINK
CONFIG-IP4IP4
CONFIG-GRE
CONFIG-LOOPBACK
CONFIG-LT
Example
esr(config-if-gi)# isis lsp-retransmit-interval 37 level-2 isis metric
This command sets a specific metric value for the interface.
The use of a negative form (no) of the command sets the default value.
Syntax
isis metric <VALUE> [<LEVEL>]
no isis metric [<LEVEL>]
Parameters
<VALUE> – number, may take values [1..16777215];
<LEVEL> – IS-IS protocol operation level:
- level-1 – operate only on level 1;
- level-2-only – operate only on level 2.
Default value
10
Required privilege level
10
Command mode
CONFIG-GI
CONFIG-TE
CONFIG-SUBIF
CONFIG-QINQ-IF
CONFIG-SERIAL
CONFIG-PORT-CHANNEL
CONFIG-BRIDGE
CONFIG-E1
CONFIG-MULTILINK
CONFIG-IP4IP4
CONFIG-GRE
CONFIG-LOOPBACK
CONFIG-LT
Example
esr(config-if-gi)# isis metric 38 level-1 isis network point-to-point
This command sets the current interface to point-to-point IS-IS protocol mode.
The use of a negative form (no) of the command stops operation in this mode.
Syntax
[no] isis network point-to-point
Parameters
The command does not contain parameters
Default value
Disabled.
Required privilege level
10
Command mode
CONFIG-GI
CONFIG-TE
CONFIG-SUBIF
CONFIG-QINQ-IF
CONFIG-SERIAL
CONFIG-PORT-CHANNEL
CONFIG-BRIDGE
CONFIG-E1
CONFIG-MULTILINK
CONFIG-IP4IP4
CONFIG-GRE
CONFIG-LOOPBACK
CONFIG-LT
Example
esr(config-gre)# isis network point-to-point isis priority
This command sets the priority of the DIS selection.
The use of a negative form (no) of the command sets the default value.
Syntax
isis priority <VALUE> [ <LEVEL> ]
no isis priority [ <LEVEL> ]
Parameters
<VALUE> – number, may take values [0..127];
<LEVEL> – IS-IS protocol operation level:
- level-1 – operate only on level 1;
- level-2-only – operate only on level 2.
Default value
64
Required privilege level
10
Command mode
CONFIG-GI
CONFIG-TE
CONFIG-SUBIF
CONFIG-QINQ-IF
CONFIG-SERIAL
CONFIG-PORT-CHANNEL
CONFIG-BRIDGE
CONFIG-E1
CONFIG-MULTILINK
CONFIG-IP4IP4
CONFIG-GRE
CONFIG-LOOPBACK
CONFIG-LT
Example
esr(config-if-gi)# isis priority 39 level-2 isis psnp-interval
This command sets the interval for generating and sending Partial Sequence Number Protocol Data Units (PSNP PDUs).
The use of a negative form (no) of the command sets the default value.
Syntax
isis psnp-interval <TIME> [ <LEVEL> ]
no isis psnp-interval [ <LEVEL> ]
Parameters
<TIME> – time in seconds, takes values of [1..65535];
<LEVEL> – IS-IS protocol operation level:
- level-1 – operate only on level 1;
- level-2-only – operate only on level 2.
Default value
2
Required privilege level
10
Command mode
CONFIG-GI
CONFIG-TE
CONFIG-SUBIF
CONFIG-QINQ-IF
CONFIG-SERIAL
CONFIG-PORT-CHANNEL
CONFIG-BRIDGE
CONFIG-E1
CONFIG-MULTILINK
CONFIG-IP4IP4
CONFIG-GRE
CONFIG-LOOPBACK
CONFIG-LT
Example
esr(config-if-gi)# isis psnp-interval 40 level-1 lsp-refresh-interval
This command sets the intervals for updating/generating own LSP.
The use of a negative form (no) of the command sets the default value.
Syntax
lsp-refresh-interval { min | max } <TIME> [ <LEVEL> ]
no lsp-refresh-interval { min | max } [ <LEVEL> ]Parameters
min — minimum update/generation interval;
max — maximum update/generation interval;
<TIME> – time in seconds, takes values of [1..65535];
<LEVEL> – IS-IS protocol operation level:
- level-1 – operate only on level 1;
- level-2-only – operate only on level 2.
Default value
min 30
max 900
Required privilege level
10
Command mode
CONFIG-ISIS
Example
esr(config-isis)# lsp-refresh-interval min 41 level-1 max-lsp-lifetime
This command sets the lifetime of own LSP.
The use of a negative form (no) of the command sets the default value.
Syntax
max-lsp-lifetime <TIME> [ <LEVEL> ]
no max-lsp-lifetime [ <LEVEL> ]
Parameters
<TIME> – time in seconds, takes values of [1..65535];
<LEVEL> – IS-IS protocol operation level:
- level-1 – operate only on level 1;
- level-2-only – operate only on level 2.
Default value
1200
Required privilege level
10
Command mode
CONFIG-ISIS
Example
esr(config-isis)# max-lsp-lifetime 42 level-2 metric-style
This command sets the type of metric to be used by the IS-IS process.
The use of a negative form (no) of the command sets the default value.
Syntax
metric-style { narrow | wide | transition } [ <LEVEL> ]
no metric-style [ <LEVEL> ]Parameters
narrow — information about the reachability of networks is disseminated with TLV 128;
wide — information about the reachability of networks is disseminated with TLV 135;
transition — information about the reachability of networks is disseminated with both methods;
<LEVEL> – IS-IS protocol operation level:
- level-1 – operate only on level 1;
- level-2-only – operate only on level 2.
Default value
narrow
Required privilege level
10
Command mode
CONFIG-ISIS
Example
esr(config-isis)# metric-style wide level-1 net
This command sets NET (Network Entity Title) address. It represents the AFI (Authority and Format Identifier), Area ID (zone to which the router belongs), System ID (router ID) and Selector value.
The use of a negative form (no) of the command sets the default value.
Syntax
[no] net <NET>
Parameters
<NET> – NET address, format: ff[.ffff.ffff.ffff.ffff.ffff.ffff].ffff.ffff.ffff.00, where f – may take values [1..F];
Required privilege level
10
Command mode
CONFIG-ISIS
Example
esr(config-isis)# net 49.0123.1010.1010.1010.00
no isis hello-padding
This command disables the TLV 8 mode in hello packets (IIH).
The use of a positive form (without «no» key) of the command sets the default value.
Syntax
[no] isis hello-padding
Parameters
The command does not contain parameters
Default value
Enabled.
Required privilege level
10
Command mode
CONFIG-GI
CONFIG-TE
CONFIG-SUBIF
CONFIG-QINQ-IF
CONFIG-SERIAL
CONFIG-PORT-CHANNEL
CONFIG-BRIDGE
CONFIG-E1
CONFIG-MULTILINK
CONFIG-IP4IP4
CONFIG-GRE
CONFIG-LOOPBACK
CONFIG-LT
Example
esr(config-if-gi)# isis hello-padding
preference
This command sets the route priority of this IS-IS process to the main routing table.
The use of a negative form (no) of the command sets the default value.
Syntax
preference <VALUE>
no preference
Parameters
<VALUE> – may take values [1..255].
Default value
160
Required privilege level
10
Command mode
CONFIG-ISIS
Example
esr(config-isis)# preference 43
router isis
This command creates an IS-IS process and enters the setting mode for that process.
The use of a negative form (no) of the command removes IS-IS process from the system.
Syntax
[no] router isis <ID> [ vrf <VRF> ]
Parameters
<ID> – process number, takes values of [1..65535];
<VRF> – VRF instance name, set by the string of up to 31 characters.
Required privilege level
10
Command mode
CONFIG
Example
esr(config)# router isis 44 show ip isis
This command outputs the internal routing table
Syntax
show ip isis [ <ID> ] [ <ADDR/LEN> ] [ <LEVEL> ] [ vrf <VRF> ]
Parameters
<ID> – process number, takes values of [1..65535];
<ADDR/LEN> – address, defined as AAA.BBB.CCC.DDD/EE where each part AAA-DDD takes values of [0..255] and EE takes values of [1..32];
<LEVEL> – IS-IS protocol operation level:
- level-1 – operate only on level 1;
- level-2 – operate only on level 2;
<VRF> – VRF instance name, set by the string of up to 31 characters.
Required privilege level
1
Command mode
ROOT
Example
esr# show ip isis 45
IPv4 local Level 1 RIB for IS-IS process
Last update: 2020-01-24 06:51:02.110
Address Type Metric Via
3.3.3.11/32 L1 20 2.2.2.11 on gi1/0/2
IPv4 local Level 2 RIB for IS-IS process
Last update: 2020-01-24 06:51:12.440
Address Type Metric Via
3.3.3.22/32 IA 20 1.1.1.2 on gi1/0/1
show ipv6 isis
This command outputs the internal ipv6 routing table
Syntax
show ipv6 isis [ <ID> ] [ <IPV6-ADDR/LEN> ] [ <LEVEL> ] [ vrf <VRF> ]
Parameters
<ID> – process number, takes values of [1..65535];
<IPV6-ADDR/LEN> – IPv6 address of subnet with mask, defined as X:X:X:X::X/EE where each X part takes values in hexadecimal format [0..FFFF] and EE takes values of [1..128];
<LEVEL> – IS-IS protocol operation level:
- level-1 – operate only on level 1;
- level-2 – operate only on level 2;
<VRF> – VRF instance name, set by the string of up to 31 characters.
Required privilege level
1
Command mode
ROOT
Example
esr# show ipv6 isis 46
IPv6 local Level 1 RIB for IS-IS process
Last update: 2020-01-24 07:08:37.761
Address Type Metric Via
6666::/64 L1 20 fe80::aaf9:4bff:feab:813a on gi1/0/2
IPv6 local Level 2 RIB for IS-IS process
Last update: 2020-01-24 07:07:22.917
Address Type Metric Via
2001::/64 IA 20 fe80::aaf9:4bff:feac:b4a1 on gi1/0/1show isis database
This command outputs information on the local base of all LSPs received and generated (LSDB).
Syntax
show isis database [ <ID> ] [ <LEVEL> ] [ <LSP-ID> ] [ detailed ] [ vrf <VRF> ]
Parameters
<ID> – process number, takes values of [1..65535];
<LEVEL> – IS-IS protocol operation level:
- level-1 – operate only on level 1;
- level-2 – operate only on level 2;
<LSP-ID> – ID LSP of the packet, specified as xxxx.xxxx.xxxx.yy-zz, where x – System-ID, y – Pseudonode-ID, z – fragment number. All numbers can take values [0...F];
detailed – detailed information on selected point;
<VRF> – VRF instance name, set by the string of up to 31 characters.
Required privilege level
1
Command mode
ROOT
Example
esr# show isis database 47
IS-IS Level 1 Link State Database
LSPID Hostname LSP Seq Num LSP Checksum LSP Holdtime ATT/P/OL
1010.1010.1010.00-00 * esr-l1l2 0x0000000f 0x5eba 960 1/0/0
1111.1111.1111.00-00 esr-l1 0x00000010 0x4402 1071 0/0/0
1111.1111.1111.01-00 esr-l1 0x00000004 0x1a99 985 0/0/0
IS-IS Level 2 Link State Database
LSPID Hostname LSP Seq Num LSP Checksum LSP Holdtime ATT/P/OL
1010.1010.1010.00-00 * esr-l1l2 0x00000010 0x7776 1082 0/0/0
1222.1222.1222.01-00 esr-l2 0x00000003 0xb87a 997 0/0/0
1222.1222.1222.00-00 esr-l2 0x0000000e 0x84c4 997 0/0/0
show isis hostname
This command outputs the matching of System-id and router name.
Syntax
show isis hostname [ <ID> ] [ vrf <VRF> ]
Parameters
<ID> – process number, takes values of [1..65535];
<VRF> – VRF instance name, set by the string of up to 31 characters.
Required privilege level
1
Command mode
ROOT
Example
esr# show isis hostname 48
IS-IS 12
Level System ID Dynamic Hostname
1 1010.1010.1010 * esr-l1l2
1 1111.1111.1111 esr-l1
2 1010.1010.1010 * esr-l1l2
2 1222.1222.1222 esr-l2
show isis neighbors
This command displays information on the status of IS-IS neighbors.
Syntax
show isis neighbors [ <ID> ] [ <LEVEL> ] [ detailed ] [ vrf <VRF> ]
Parameters
<ID> – process number, takes values of [1..65535];
<LEVEL> – IS-IS protocol operation level:
- level-1 – operate only on level 1;
- level-2 – operate only on level 2;
detailed – detailed information on selected point;
<VRF> – VRF instance name, set by the string of up to 31 characters.
Required privilege level
1
Command mode
ROOT
Example
esr# show isis neighbors 49 detailed
IS-IS Level 1 Neighbors
System ID Hostname Interface State Holdtime SNPA
1111.1111.1111 esr-l1 gi1/0/2 Up 10 a8f9.4bab.813a
IS-IS Level 2 Neighbors
System ID Hostname Interface State Holdtime SNPA
1222.1222.1222 esr-l2 gi1/0/1 Up 10 a8f9.4bac.b4a1
show isis topology
This command outputs a complete reachability table of all networks and hosts.
Syntax
show isis topology [ <ID> ] [ <LEVEL> ] [ ipv4 | ipv6 ] [ vrf <VRF> ]
Parameters
<ID> – process number, takes values of [1..65535];
<LEVEL> – IS-IS protocol operation level:
- level-1 – operate only on level 1;
- level-2 – operate only on level 2;
ipv4 – ipv4 family;
ipv6 – ipv6 family;
<VRF> – VRF instance name, set by the string of up to 31 characters.
Required privilege level
1
Command mode
ROOT
Example
esr# show isis topology 50 level-2 Ipv4
IS-IS path to Level 2 routers (narrow metric-style)
Last update: 2020-01-24 07:08:47.783
Vertex Type Metric Next-Hop Interface
1.1.1.0/24 IPv4 Internal 0 --
IS-IS path to Level 2 routers (wide metric-style)
Last update: 2020-01-24 07:08:47.783
Vertex Type Metric Next-Hop Interface
3.3.3.22/32 IPv4 IA 20 esr-l2 gi1/0/1
1.1.1.0/24 IPv4 0 --
spf-timeout
This command sets a timeout before the next SPF calculation.
The use of a negative form (no) of the command sets the default value.
Syntax
spf-timeout <TIME> [ <LEVEL> ]
no spf-timeout [ <LEVEL> ]
Parameters
<TIME> – time in milliseconds, takes values of [1..10000];
<LEVEL> – IS-IS protocol operation level:
- level-1 – operate only on level 1;
- level-2 – operate only on level 2.
Default value
5000
Required privilege level
10
Command mode
CONFIG-ISIS
Example
esr(config-isis)# spf-timeout 51 level-1