Sun Ethernet Fabric Operating System CLI Enterprise Reference Manual Table Of ContentsPrevious ChapterNext ChapterNoIndex
C H A P T E R  6
Feedback RIP

RIP is a widely used protocol for managing router information within a self-contained network, such as a corporate LAN or an interconnected group of such LANs. RIP is classified by the IETF as one of several internal gateway protocols.

RIP sends routing-update messages at regular intervals and when the network topology changes. When a router receives a routing update that includes changes to an entry, it updates its routing table to reflect the new route. The metric value for the path is increased by 1, and the sender is indicated as the next hop. RIP routers maintain only the best route (the route with the lowest metric value) to a destination. After updating its routing table, the router immediately begins transmitting routing updates to inform other network routers of the change. These updates are sent independently of the regularly scheduled updates that RIP routers send. RIP uses a hop count as a way to determine network distance. Each host with a router in the network uses the routing table information to determine the next host to route a packet to for a specified destination.

6.1 RIP Commands

The list of CLI commands for the configuration of RIP is as follows:

6.1.1 router rip

Enters the router configuration mode. The no form of the command disables RIP on all the interfaces. 


router rip



no router rip


Syntax Description

router rip- Enables router configuration mode.

no router rip- Disables RIP on all interfaces.

Mode

Global Configuration

Example

SEFOS(config)# router rip


Related Commands

6.1.2 ip rip security

Accepts or ignores RIP1 packets when authentication is in use. The no form of the command sets the security level to its default value. 


ip rip security {minimum | maximum}



no ip rip security


Syntax Description

minimum - Denotes that the RIP1 packets will be accepted even when authentication is in use.

maximum - Denotes that the RIP1 packets will be ignored when authentication is in use.

Mode

Router Configuration

Defaults

maximum

Example

SEFOS(config-router)# ip rip security minimum


Related Commands

6.1.3 ip rip retransmission

Configures the timeout interval and number of retries to retransmit the update request packet or an unacknowledged update response packet. The no form of the command sets the retransmission timeout interval or the number of retransmission retries to its default value. 


ip rip retransmission {interval timeout_5-10 | retries 10-40}



no ip rip retransmission {interval | retries}


Syntax Description

interval - The timeout interval to be used to retransmit the update request packet or an unacknowledged update response packet.

retries - The maximum number of retransmissions of the update request and update response packets.

Mode

Router Configuration

Defaults

interval - 5

retries - 36

Example

SEFOS(config-router)# ip rip retransmission interval 6

SEFOS(config-router)# no ip rip retransmission retries

Notes

During retries, if no response is received the routes through the next hop router are marked unreachable.


Related Commands

6.1.4 network

Enables RIP on an IP network or an unnumbered interface. The no form of the command disables RIP on an IP network or an unnumbered interface. 


network ip-address [unnum {vlan 1-4094 | iftype ifnum}]



no network ip-address [unnum {vlan 1-4094 | iftype ifnum}]


Syntax Description

ip-address - IP address for the entry.

unum vlan - VLAN identifier for which no IP address is configured.

iftype - Interface type.

ifnum - Interface identifier.

Mode

Router Configuration

Example

SEFOS(config)# interface vlan 1

SEFOS(config-if)# shutdown

SEFOS(config-if)# ip address 10.0.0.1 255.255.0.0

SEFOS(config-if)# no shutdown

SEFOS(config-if)# exit

SEFOS(config)# router rip

SEFOS(config-router)# network 10.0.0.1

Notes

  • The network number specified must not contain any subnet information. RIP routing updates will be sent and received only through interfaces on this network.
  • RIP sends updates to the interfaces in the specified networks. Also, if the network of an interface is not specified, the interface will not be advertised in any RIP update.

Related Commands

6.1.5 neighbor

Adds a trusted neighbor router. The no form of the command deletes a trusted neighbor router. 


neighbor ip-address



no neighbor ip-address


Syntax Description

ip-address - IP address of the trusted neighbor router.

Mode

Router Configuration

Example

SEFOS(config-router)# neighbor 10.0.0.5

Notes

  • This command is used to configure the IP address of the router from which this router can accept RIP Packets.
  • Multiple neighbor commands can be used to specify additional trusted neighbors or peers.

Related Commands

6.1.6 passive-interface vlan

Suppresses routing updates on an interface. The no form of the command does not suppress routing updates from an interface. 


passive-interface {vlan 1-4094 | interface-type interface-id}



no {vlan 1-4094 | interface-type interface-id}


Syntax Description

vlan - VLAN identifier.

interface-type - Interface type.

interface-id - Interface identifier.

Mode

Router Configuration

Example

SEFOS(config-router)# passive-interface vlan 1

Notes

If the sending of routing updates is disabled on an interface, the particular subnet will continue to be advertised to other interfaces, and updates from other routers on that interface continue to be received and processed.


Related Commands

6.1.7 output-delay

Enables interpacket delay for RIP updates. The no form of the command disables interpacket delay for RIP updates. This command also helps in preventing the routing table from losing information by enabling the interpacket delay. 


output-delay



no output-delay


Mode

Router Configuration

Example

SEFOS(config-router)# output-delay


Related Commands

6.1.8 output-delay delay

This command configures the interpacket delay for the RIP updates. The interpacket delay ranges between 8 and 50 milliseconds. This command also helps in preventing the routing table from losing information by configuring the interpacket delay. 


output-delay milliseconds_8-50


Syntax Description

output-delay - Configures the interpacket delay for RIP updates.

Mode

Router Configuration

Example

SEFOS(config-router)# output-delay 10


Related Commands

6.1.9 validate-update-source

Configures the validate source option for RIP. That is, this command enables the source IP address validation of incoming routing updates for RIP and IGRP routing protocols. 


validate-update-source


Mode

Router Configuration

Example

SEFOS(config-router)# validate-update-source


6.1.10 redistribute

Enables redistribution of corresponding protocol routes into RIP. The no form of the command disables redistribution of corresponding protocol routes into RIP. 


redistribute {all | connected | ospf | static} [ route-map name_1-20]



no redistribute {all | connected | ospf | static} [ route-map name_1-20]


Syntax Description

all - Advertises all routes learned in the RIP process.

connected - Connected routes redistribution.

ospf - Advertises routes learned by OSPF in the RIP process.

static - Statically configured routes to advertise in the RIP process.

route-map - Name of the Route Map to be applied during redistribution of routes from Route Table Manager to RIP. If this is not specified, all routes are redistributed.

Mode

Router Configuration

Example

SEFOS(config-router)# redistribute all


Related Commands

6.1.11 default-metric

Sets the metric to be used for redistributed routes. The no form of the command sets the metric used with redistributed routes to its default value. The metric value ranges between 1 and 16. The metric value given in the no form of the command is ignored during the execution of the command. 


default-metric 1-16



no default-metric 1-16


Mode

Router Configuration

Defaults

3

Example

SEFOS(config-router)# default-metric 1

Notes

The default-metric command is used in conjunction with the redistribute router configuration command to cause the current routing protocol to use the same metric value for all redistributed routes.


Related Commands

6.1.12 auto-summary - enable | disable

Enables or disables the auto-summarization of routes in RIP. 


auto-summary {enable | disable}


Syntax Description

enable - Enables the auto-summarization feature in RIP.

disable - Disables the auto-summarization feature in RIP.

Mode

Router Configuration

Defaults

Enabled

Example

SEFOS(config-router)# auto-summary disable

Notes

The auto-summarization feature must be disabled to configure interface specific aggregation with RIP version 2.


Related Commands

6.1.13 auto-summary

Enables the auto-summarization feature in RIP. The no form of the command disables the auto-summarization feature in RIP. This command operates similarly to the command auto-summary - enable | disable. 


auto-summary



no auto-summary


Mode

Router Configuration

Defaults

Autosummarization is enabled.

Example

SEFOS(config-router)# no auto-summary

Notes

The auto-summarization feature must be disabled to configure interface specific aggregation with RIP version 2.


Related Commands

6.1.14 ip rip default route originate

Sets the metric to be used for default route propagated over the interface. The no form of the command disables origination of default route over the interface. 


ip rip default route originate metric_1-15



no ip rip default route originate


Mode

Interface Configuration

Applicable only in VLAN Interface.

Defaults

no ip rip default route originate

Example

SEFOS(config)# interface vlan 1

SEFOS(config-if)# ip rip default route originate 10

Notes

RIP must be enabled on the interface before executing this command.


Related Commands

6.1.15 default-information originate

Sets the metric to be used for default route propagated over the interface. The no form of the command disables origination of default route over the interface.

This command operates similarly to the command ip rip default route originate. 


default-information originate metric_1-15 [route-map string_32]



no default-information originate


Syntax Description

metric_1-15 - Specifies the metric value. This value ranges between 1 and 15.

route-map - Identifies the specified route-map in the list of route-maps. The length of the string ranges between 1 and 32. The keyword route-map is not supported.

Mode

Interface Configuration

Applicable in VLAN Interface only.

Defaults

Origination of default route over the interface is disabled.

Example

SEFOS(config)# interface vlan 1

SEFOS(config-if)# default-information originate 10

Notes

RIP must be enabled on the interface before executing this command.


Related Commands

6.1.16 ip rip summary-address

Sets route aggregation over an interface for all subnet routes that fall under the specified IP address and mask. The no form of the command disables route aggregation with the specified IP address and mask. 


ip rip summary-address ip-address mask



no ip rip summary-address ip-address mask


Syntax Description

ip-address - IP Address of the interface specific aggregation.

mask - Subnet mask.

Mode

Interface Configuration

Applicable only in VLAN interface.

Example

SEFOS(config)# router rip

SEFOS(config-router)# auto-summary disable

SEFOS(config-router)# exit

SEFOS(config)# interface vlan 1

SEFOS(config-if)# ip rip summary-address 60.0.0.0 255.0.0.0

Notes

  • This command must not be used with RIPv1 send version.
  • Auto-summarization overrides interface specific aggregation. Therefore, auto-summarization must be disabled for interface specific route aggregation.

6.1.17 ip summary-address rip

Sets the route aggregation for all subnet routes that fall under the specified IP address and mask. The no form of the command disables route aggregation with the specified IP address and mask. This command operates similarly to the command ip rip summary-address. 


ip summary-address rip ip-address mask



no ip summary-address rip ip-address mask


Syntax Description

ip-address - IP address of the interface specific aggregation.

mask - Subnet mask.

Mode

Interface Configuration

Applicable only in VLAN Interface.

Example

SEFOS(config-if)# ip summary-address rip 60.0.0.0 255.0.0.0

Notes

  • This command must not be used with RIPv1 send version.
  • Auto-summarization overrides interface specific aggregation. Therefore, auto-summarization must be disabled for interface specific route aggregation.

6.1.18 ip rip default route install

Installs the default route received in updates to the RIP database. The no form of the command does not install default route received in updates to the RIP database. 


ip rip default route install



no ip rip default route install


Mode

Interface Configuration

Applicable only in VLAN Interface.

Defaults

no ip rip default route install

Example

SEFOS(config)# interface vlan 1

SEFOS(config-if)# shutdown

SEFOS(config-if)# ip address 10.0.0.1 255.255.0.0

SEFOS(config-if)# no shutdown

SEFOS(config-if)# exit

SEFOS(config)# router rip

SEFOS(config-router)# network 10.0.0.1

SEFOS(config-router)# exit

SEFOS(config)# interface vlan 1

SEFOS(config-if)# ip rip default route install

Notes

RIP must be enabled on the interface on which this command is executed.


6.1.19 ip rip send version

Sets the IP RIP version number for transmitting advertisements and the no form of the command sets IP RIP send version number to its default value. 


ip rip send version  {1 | 2 | 1 2 | none}



no ip rip send version


Syntax Description

1 | 2 | 1 2 | none - Indicates which version of RIP updates are to be sent.

  • 1 - Sends RIP updates compliant with RFC 1058.
  • 2 - Sends multicasting RIP updates.
  • 1 2 - Sends both multicasting RIP updates and RIP updates compliant with RFC 1058.
  • none - No RIP updates are send.

Mode

Interface Configuration

Applicable only in VLAN Interface.

Defaults

1 2

Example

SEFOS(config-if)# ip rip send version 1


Related Commands

6.1.20 ip rip receive version

Sets the IP RIP version number for receiving advertisements. The no form of the command sets the IP RIP receive version number to its default value. 


ip rip receive version  {1 | 2 | 1 2 | none}



no ip rip receive version


Syntax Description

1 | 2 | 1 2 | none - Indicates which version of RIP updates are to be sent.

  • 1 - Sends RIP updates compliant with RFC 1058.
  • 2 - Sends multicasting RIP updates.
  • 1 2 - Sends both multicasting RIP updates and RIP updates compliant with RFC 1058.
  • none - No RIP updates are send.

Mode

Interface Configuration

Applicable only in VLAN Interface.

Defaults

1 2

Example

SEFOS(config-if)# ip rip receive version 1

Notes

The command indicates which version of RIP updates are to be accepted. rip2 and rip1 2 implies reception of multicast packets.


Related Commands

6.1.21 version

Configures global version of the RIP. The no form of the command restores the default version for the RIP. This command operates similarly to the commands ip rip send version and ip rip receive version. 


version {1 | 2 | 1 2 | none}



no version


Syntax Description

1 | 2 | 1 2 | none - Indicates which version of RIP updates are to be sent.

  • 1 - Sends RIP updates compliant with RFC 1058.
  • 2 - Sends multicasting RIP updates.
  • 1 2 - Sends both multicasting RIP updates and RIP updates compliant with RFC 1058.
  • none - No RIP updates are send.

Mode

Router Configuration

Defaults

1 2

Example

SEFOS(config-router)# version 1


Related Commands

6.1.22 ip rip authentication mode

Configures authentication mode and key. The no form of the command disables authentication. 


ip rip authentication mode {text | md5} key-chain key-chain-name_16



no ip rip authentication


Syntax Description

text - Clear text authentication.

md5 - Keyed Message Digest 5 (MD5) authentication. More than one entry can be configured for an interface.

key-chain - The value to be used as the Authentication Key.

Mode

Interface Configuration

Applicable only in VLAN Interface.

Defaults

No authentication

Example

SEFOS(config-if)# ip rip authentication mode text key-chain asdf123

Notes

If a string shorter than 16 octets is supplied, it will be left-justified and padded to 16 octets, on the right, with nulls (0x00).


Related Commands

6.1.23 ip rip authentication mode {text | md5}

Configures the authentication mode. The no form of the command disables authentication. This command operates similarly to the command ip rip authentication mode. 


ip rip authentication mode {text | md5}



no ip rip authentication mode


Syntax Description

text - Clear text authentication.

md5 - Keyed Message Digest 5 (MD5) authentication.

This command will configure mode text and key-chain with defaults.

Mode

Interface Configuration

Applicable only in VLAN Interface.

Defaults

Authentication is disabled.

Example

SEFOS(config-if)# ip rip authentication mode text


Related Commands

6.1.24 ip rip authentication key-chain

Configures the authentication key. The no form of the command disables authentication. This command operates similarly to the command ip rip authentication mode. 


ip rip authentication key-chain key-chain-name_16



no ip rip authentication key-chain key-chain-name_16


Syntax Description

key-chain - Name of the authentication key to be used for authentication.

Mode

Interface Configuration

Applicable only in VLAN Interface.

Defaults

Authentication is disabled.

Example

SEFOS(config-if)# ip rip authentication key-chain test


Related Commands

6.1.25 timers basic - update-value

Sets update, route age, and garbage collection timers. The no form of the command resets update, route age, and garbage collection timers to the default values. 


timers basic update-value_10-3600 routeage-value_30-500 garbage-value_120-180



no timers basic


Syntax Description

update-value_10-3600 - 30

routeage-value_30-500- 180

garbage-value_120-180- 120

Mode

Interface Configuration

Applicable only in VLAN Interface.

Defaults

update-value_10-3600 - Interval time between updates.

routeage-value_30-500- Time after which the entry is put into garbage-collect interval.

garbage-value_120-180- Interval before deleting an entry after not hearing it.

Example

SEFOS(config-if)# timers basic 20 40 150

Notes

The advertisements of garbage-value entry is set to INFINITY, while sending to others.


Related Commands

6.1.26 timers basic - update-interval

Configures the update, invalid, hold down, and flush timers for RIP. This command operates similarly to the command timers basic - update-value. 


timers basic update-interval_10-3600 invalid_30-500 holddown_10-3600 flush_120-180 sleep_10-3600


Syntax Description

update-interval_10-3600 - Rate (in seconds) at which the updates are sent. This is the fundamental timing parameter of the routing protocol. This value ranges between 10 and 3600 seconds.

invalid_30-500 - Time interval (in seconds) after which a route is declared as invalid. This value ranges between 30 and 500 seconds.

holddown_10-3600 - Interval (in seconds) during which the routing information regarding better paths are suppressed.

This value ranges between 10 and 3600 seconds. The keyword holddown is not supported.

flush_120-180 - Time interval (in seconds) after which the route is removed from the routing table. This value ranges between 120 and 180 seconds.

sleep_10-3600 - Interval (in milliseconds) for postponing routing updates in the event of a flash update. This value ranges between 10 and 3600 milliseconds. The keyword sleep is not supported.

Mode

Interface Configuration

Applicable only in VLAN Interface.

Defaults

update-interval_10-3600 - 30

invalid_30-500 - 180

holddown_10-3600 - 180

flush_120-180 - 240

Example

SEFOS(config-if)# timers basic 20 40 180


Related Commands

6.1.27 ip split-horizon

Sets the split-horizon status and the no form of the command disables the split-horizon status. 


ip split-horizon [poisson]



no ip split-horizon


Syntax Description

poisson - split-horizon with poisson reverse is enabled.

Mode

Interface Configuration

Applicable only in VLAN Interface.

Example

SEFOS(config-if)# ip split-horizon

Notes

The value split-horizon denotes that split-horizon must be applied in the response packets that are going out.


Related Commands

6.1.28 debug ip rip

Sets the debug level for RIP module. The no form of the command resets the debug level for RIP module. 


debug ip rip {all | init | data | control | dump | os | mgmt | failure | buffer}



no debug ip rip {all | init | data | control | dump | os | mgmt | failure | buffer}


Syntax Description

all - All resources.

init - Initialization and shutdown messages.

data - Data path messages.

control - Control plane messages.

dump - Packet dump messages.

os - OS resource Messages.

mgmt - Management messages.

failure - All failure messages. (All failures including packet validation.)

buffer - Buffer messages.

Mode

Privileged EXEC

Defaults

init

Example

SEFOS# debug ip rip all


Related Commands

6.1.29 debug ip rip {database | events | triggers}

Sets the debug level for RIP module. The no form of the command resets the debug level for RIP module. This command operates similarly to the command debug ip rip. 


debug ip rip {database | events | triggers}



no debug ip rip {database | events | triggers}


Syntax Description

database - Database debug messages.

events - Trace management messages.

triggers - Triggers debug messages.

Mode

Privileged EXEC

Example

SEFOS# debug ip rip database


Related Commands

6.1.30 show ip rip

Displays IP RIP protocol database or statistics. 


show ip rip {database ip-address ip-mask | statistics}


Syntax Description

database - RIP protocol database for the specified IP address and IP mask of the RIP interface entry.

statistics - RIP statistics on the router.

Mode

Privileged EXEC

Example

SEFOS# show ip rip database 40.0.0.0 255.0.0.0

 

40.0.0.0/8 directly connected, vlan1

 

SEFOS# show ip rip statistics

 

Vrf default

 

RIP Global Statistics:

----------------------

Total number of route changes is 0

Total number of queries responded is 0

Total number of dropped packets is 0

 

RIP Interface Statistics:

-------------------------

 

Interface Periodic BadRoutes Triggered BadPackets Admin

IP Address Updates Sent Received Updates Sent Received Status

---------- ------------ --------- ------------ ---------- ------

10. 0.0.1 0 0 1 0 Enabled


Related Commands

 

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