H3C S3100-52P Istruzioni per l'installazione

Command Manual – Static Route

H3C S3100-52P Ethernet Switch Table of Contents

Table of Contents

Chapter 1 IP Routing Table Commands...................................................................................... 1-1

1.1 IP Routing Table Commands.............................................................................................1-1

1.1.1 display ip routing-table............................................................................................1-1

1.1.2 display ip routing-table acl.......................................................................................1-3

1.1.3 display ip routing-table ip-address ..........................................................................1-6

1.1.4 display ip routing-table ip-address1 ip-address2 ....................................................1-7

1.1.5 display ip routing-table protocol .............................................................................. 1-8

1.1.6 display ip routing-table radix ...................................................................................1-9

1.1.7 display ip routing-table statistics ...........................................................................1-10

1.1.8 display ip routing-table verbose ............................................................................1-11

1.1.9 reset ip routing-table statistics protocol.................................................................1-12

Chapter 2 Static Route Configuration Commands .................................................................... 2-1

2.1 Static Route Configuration Commands .............................................................................2-1

2.1.1 delete static-routes all.............................................................................................2-1

2.1.2 ip route-static...........................................................................................................2-2

Command Manual – Static Route

H3C S3100-52P Ethernet Switch

Chapter 1 IP Routing Table

Commands

1-1

Chapter 1 IP Routing Table Commands

Note:

The term router in this chapter refers to a router in a generic sense or an Ethernet

switch running a routing protocol.

1.1 IP Routing Table Commands

1.1.1 display ip routing-table

Syntax

display ip routing-table [ | { begin | exclude | include } regular-expression ]

View

Any view

Parameters

regular-expression: Regular expression, a string of 1 to 256 case-sensitive characters

used for specifying routing entries.

|: Uses the regular expression to match the output routing information.

begin: Displays the routing information from the route entry containing the specified

character string.

include: Displays all routing information containing the specified character string.

exclude: Displays all routing information without the specified character string.

Note:

For details about regular expressions, refer to Configuration File Management

Operation of this manual.

Description

Use the display ip routing-table command to display the routing table summary.

Command Manual – Static Route

H3C S3100-52P Ethernet Switch

Chapter 1 IP Routing Table

Commands

1-2

This command displays the summary of the routing table. Each line represents one

route, containing destination address/mask length, protocol, preference, cost, next hop,

and output interface.

This command displays only the currently used routes, that is, the optimal routes.

Examples

# Display the summary of the current routing table.

<Sysname> display ip routing-table

Routing Table: public net

Destination/Mask Protocol Pre Cost Nexthop Interface

1.1.1.0/24 DIRECT 0 0 1.1.1.1 Vlan-interface1

1.1.1.1/32 DIRECT 0 0 127.0.0.1 InLoopBack0

2.2.2.0/24 DIRECT 0 0 2.2.2.1 Vlan-interface2

2.2.2.1/32 DIRECT 0 0 127.0.0.1 InLoopBack0

3.3.3.0/24 DIRECT 0 0 3.3.3.1 Vlan-interface3

3.3.3.1/32 DIRECT 0 0 127.0.0.1 InLoopBack0

4.4.4.0/24 DIRECT 0 0 4.4.4.1 Vlan-interface4

4.4.4.1/32 DIRECT 0 0 127.0.0.1 InLoopBack0

127.0.0.0/8 DIRECT 0 0 127.0.0.1 InLoopBack0

127.0.0.1/32 DIRECT 0 0 127.0.0.1 InLoopBack0

# Display the routing information from the entry containing the character string

interface4 in the current routing table.

<Sysname> display ip routing-table | begin interface4

Routing Table: public net

4.4.4.0/24 DIRECT 0 0 4.4.4.1 Vlan-interface4

4.4.4.1/32 DIRECT 0 0 127.0.0.1 InLoopBack0

127.0.0.0/8 DIRECT 0 0 127.0.0.1 InLoopBack0

127.0.0.1/32 DIRECT 0 0 127.0.0.1 InLoopBack0

# Display the routing information containing the character string interface4 in the

current routing table.

<Sysname> display ip routing-table | include interface4

Routing Table: public net

Destination/Mask Protocol Pre Cost Nexthop Interface

4.4.4.0/24 DIRECT 0 0 4.4.4.1 Vlan-interface4

# Display the routing information without the character string interface4 in the current

routing table.

<Sysname> display ip routing-table | exclude interface4

Routing Table: public net

Destination/Mask Protocol Pre Cost Nexthop Interface

1.1.1.0/24 DIRECT 0 0 1.1.1.1 Vlan-interface1

Command Manual – Static Route

H3C S3100-52P Ethernet Switch

Chapter 1 IP Routing Table

Commands

1-3

1.1.1.1/32 DIRECT 0 0 127.0.0.1 InLoopBack0

2.2.2.0/24 DIRECT 0 0 2.2.2.1 Vlan-interface2

2.2.2.1/32 DIRECT 0 0 127.0.0.1 InLoopBack0

3.3.3.0/24 DIRECT 0 0 3.3.3.1 Vlan-interface3

3.3.3.1/32 DIRECT 0 0 127.0.0.1 InLoopBack0

4.4.4.1/32 DIRECT 0 0 127.0.0.1 InLoopBack0

127.0.0.0/8 DIRECT 0 0 127.0.0.1 InLoopBack0

127.0.0.1/32 DIRECT 0 0 127.0.0.1 InLoopBack0

Table 1-1 Description on the fields of the display ip routing-table command

Field Description

Destination/Mask Destination address/mask length

Protocol Routing protocol

Pre Route preference

Cost Route cost

Nexthop Next hop address

Interface Output interface, through which the data packets destined

for the destination network segment are sent

1.1.2 display ip routing-table acl

Syntax

display ip routing-table acl acl-number [ verbose ]

View

Any view

Parameters

acl-number: Basic access control list number, in the range of 2000 to 2999.

verbose: With this keyword specified, detailed information of routes in the active or

inactive state that match the ACL is displayed. With this keyword not specified, brief

information of only the routes in the active state that match theACL is displayed.

Description

Use the display ip routing-table acl command to display the information of routes that

match the specified ACL.

Examples

# Display the summary information about the active routes that match ACL 2000.

Command Manual – Static Route

H3C S3100-52P Ethernet Switch

Chapter 1 IP Routing Table

Commands

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<Sysname> system-view

System View: return to User View with Ctrl+Z.

[Sysname] acl number 2000

[Sysname-acl-basic-2000] rule permit source 10.1.1.1 0.0.0.255

[Sysname-acl-basic-2000] rule deny source any

[Sysname-acl-basic-2000] display ip routing-table acl 2000

Routes matched by access-list 2000:

Summary count: 2

Destination/Mask Protocol Pre Cost Nexthop Interface

10.1.1.0/24 DIRECT 0 0 10.1.1.2 Vlan-interface1

10.1.1.2/32 DIRECT 0 0 127.0.0.1 InLoopBack0

Refer to Table 1-1 or the description on the output fields.

# Display the detailed information about the active and inactive routes that match ACL

2000.

<Sysname> display ip routing-table acl 2000 verbose

Routes matched by access-list 2000:

+ = Active Route, - = Last Active, # = Both * = Next hop in use

Destinations: 2 Routes: 2

Holddown: 0 Delete: 0 Hidden: 0

**Destination: 10.1.1.0 Mask: 255.255.255.0

Protocol: #DIRECT Preference: 0

*NextHop: 10.1.1.2 Interface: 10.1.1.2(Vlan-interface1)

State: <Int ActiveU Retain Unicast>

Age: 35:37:03 Cost: 0/0

**Destination: 10.1.1.2 Mask: 255.255.255.255

Protocol: #DIRECT Preference: 0

*NextHop: 127.0.0.1 Interface: 127.0.0.1(InLoopBack0)

State: <NoAdvise Int ActiveU Retain Gateway Unicast>

Age: 35:37:03 Cost: 0/0

Table 1-2 Description on the fields of the display ip routing-table command

Field Description

Destination Destination address

Mask Subnet mask

Protocol Protocol that discovers the route

Preference Route preference

Nexthop Next hop to the destination

Interface Outbound interface through which data packets are forwarded to the

destination network segment.

Command Manual – Static Route

H3C S3100-52P Ethernet Switch

Chapter 1 IP Routing Table

Commands

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Field Description

Description of route state:

ActiveU An active unicast route, where “U” represents unicast.

Blackhole Ablackhole route is similar to a reject route, but no ICMP

unreachable message is sent to the source.

Delete A route is to be deleted.

Gateway An indirect route.

Hidden

An existing route that is temporarily unavailable for some

reason (for example, suppressed by a routing policy or

down interface). However, deletion is not expected. It is

therefore hidden so that it can recover later.

Holddown

Number of routes that are held down. Holddown is a

route advertisement policy that some D-V based routing

protocols (for example, RIP) use to avoid the spread of

wrong routes but speed up the correct spread of ICMP

unreachable messages.A certain route is advertised at

intervals, no matter whether the currently discovered

route to the same destination changes. For details, refer

to the specific routing protocols.

Int A route discovered by IGP.

NoAdvise A routing protocol does not advertise any NoAdvise route

when advertising routes in accordance with a routing

policy.

NotInstall

A NotInstall route cannot be added to the core routing

table, but may be advertised.A route with the highest

priority is generally selected from the routing table, added

to the core routing table, and then advertised.

Reject

The routes marked with reject do not guide the router to

forward packets as a normal route does. The router

discards the packets matching reject routes and sends

an ICMP unreachable message to the source.

Reject routes are usually used for network tests.

Retain

The routes marked with retain will not be deleted when

you delete routes in the core routing table. You can mark

static routes with retain to make them stay in the core

routing table.

Static

The routes marked with static will not be deleted from

the routing table after you perform a save operation and

restart the router. The routes manually configured on a

router are marked with static.

State

Unicast A unicast route.

Age Lifetime of a route in the routing table, in the format of HH:MM:SS.

Cost Cost of a route.

Command Manual – Static Route

H3C S3100-52P Ethernet Switch

Chapter 1 IP Routing Table

Commands

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1.1.3 display ip routing-table ip-address

Syntax

display ip routing-table ip-address [ mask | mask-length ] [ longer-match ]

[ verbose ]

View

Any view

Parameters

ip-address:Destination IP address, in dotted decimal notation.

mask: Subnet mask, in dotted decimal notation.

mask-length: Length of a subnet mask, in the range of 0 to 32.

longer-match: Specifies all the routes that lead to the destination address and match

the specified mask. If you do not specify the mask argument, those that match the

natural mask are specified.

verbose: Displays the detailed information of routes.

Description

Use the display ip routing-table ip-address command to display the routing

information of the specified destination address.

With differentarguments provided, the command output is different. The following is the

command output with different arguments provided:

zdisplay ip routing-table ip-address

If the destination address ip-address corresponds to a route in the natural mask range,

this command displays the route that is the longest match of the destination address

ip-address and is active.

zdisplay ip routing-table ip-address mask

This command only displays the routes exactly matching the specified destination

address and mask.

zdisplay ip routing-table ip-address longer-match

This command displays all destination address routes matching the specified

destination address in the natural mask range.

zdisplay ip routing-table ip-address mask longer-match

This command displays all destination address routes matching the specified

destination address in the specified mask range.

Examples

# Display the brief information of routes with a natural mask.

Command Manual – Static Route

H3C S3100-52P Ethernet Switch

Chapter 1 IP Routing Table

Commands

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<Sysname> display ip routing-table 169.0.0.0

Destination/Mask Protocol Pre Cost Nexthop Interface

169.0.0.0/16 Static 60 0 2.1.1.1 LoopBack1

For descriptions of the above fields, see Table 1-1.

# Display the detailed information of routes with a natural mask.

<Sysname> display ip routing-table 169.0.0.0 verbose

Routing tables:

+ = Active Route, - = Last Active, # = Both * = Next hop in use

Summary count: 1

**Destination: 169.0.0.0 Mask: 255.255.255.0

Protocol: #STATIC Preference: 60

*NextHop: 2.1.1.1 Interface: 2.1.1.1(LoopBack1)

State: <Int ActiveU Gateway Static Unicast>

Age: 4:49 Cost: 0/0

For descriptions of the above fields, see Table 1-2.

1.1.4 display ip routing-table ip-address1 ip-address2

Syntax

display ip routing-table ip-address1 { mask1 | mask-length1 } ip-address2 { mask2 |

mask-length2 } [ verbose ]

View

Any view

Parameters

ip-address1, ip-address2: Destination IP address in dotted decimal notation.

ip-address1 {mask1 | mask-length1} and ip-address2 {mask2 | mask-length2}

determine one address range together. ip-address1 ANDed with {mask1 |

mask-length1} specifies the start of the range, while ip-address2 ANDed with {mask2 |

mask-length2} specifies the end. This command displays the route in this address

range.

mask1, mask2: Subnet mask, in dotted decimal notation.

mask-length1, mask-length2: Mask length, in the ranges of 0 to 32.

verbose:With the verbose argument provided, this command displays the verbose

information of both active and inactive routes. Without this argument provided, this

command displays the summary of active routes only.

Description

Use the display ip routing-table ip-address1 ip-address2 command to display the

route information in the specified destination address range.

Command Manual – Static Route

H3C S3100-52P Ethernet Switch

Chapter 1 IP Routing Table

Commands

1-8

Examples

# Display the routing information of destination addresses ranging from 1.1.1.0 to

2.2.2.0.

<Sysname>display ip routing-table 1.1.1.0 24 2.2.2.0 24

Routing tables:

Summary count: 3

Destination/Mask Protocol Pre Cost Nexthop Interface

1.1.1.0/24 DIRECT 0 0 1.1.1.1 Vlan-interface1

1.1.1.1/32 DIRECT 0 0 127.0.0.1 InLoopBack0

2.2.2.0/24 DIRECT 0 0 2.2.2.1 Vlan-interface2

For descriptions of the above fields, see Table 1-1.

1.1.5 display ip routing-table protocol

Syntax

display ip routing-table protocol protocol [ inactive | verbose ]

View

Any view

Parameters

protocol: You can provide one of the following values for this argument.

zdirect:Displays direct-connect route information

zstatic: Displays static route information.

inactive: With this argument provided, this command displays the inactive route

information. Without this argument provided, this command displays both active and

inactive route information.

verbose: With this keyword specified, detailed information of routes in the active or

inactive state is displayed. With this keyword not specified, brief information of only the

routes in the active state is displayed.

Description

Use the display ip routing-table protocol command to display the route information

of a specific protocol.

Examples

# Display the summary of all direct-connect routes.

<Sysname> display ip routing-table protocol direct

DIRECT Routing tables:

Summary count: 4

Command Manual – Static Route

H3C S3100-52P Ethernet Switch

Chapter 1 IP Routing Table

Commands

1-9

DIRECT Routing tables status:<active>:

Summary count: 3

Destination/Mask Protocol Pre Cost Nexthop Interface

20.1.1.1/32 DIRECT 0 0 127.0.0.1 InLoopBack0

127.0.0.0/8 DIRECT 0 0 127.0.0.1 InLoopBack0

127.0.0.1/32 DIRECT 0 0 127.0.0.1 InLoopBack0

DIRECT Routing tables status:<inactive>:

Summary count: 1

Destination/Mask Protocol Pre Cost Nexthop Interface

210.0.0.1/32 DIRECT 0 0 127.0.0.1 InLoopBack0

For detailed description of the output information, see Table 1-1.

1.1.6 display ip routing-table radix

Syntax

display ip routing-table radix

View

Any view

Parameters

None

Description

Use the display ip routing-table radix command to display the route information in a

tree structure.

Examples

<Sysname> display ip routing-table radix

Radix tree for INET (2) inodes 7 routes 5:

+-32+--{210.0.0.1

+--0+

| | +--8+--{127.0.0.0

| | | +-32+--{127.0.0.1

| +--1+

| +--8+--{20.0.0.0

| +-32+--{20.1.1.1

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