> Ethernet Interface Configuration Mode Commands
> The Ethernet Interface Configuration Mode is used to create and manage the IP interfaces for addresses, address resolution options, etc.
> crypto-map
> Applies the specified IPSec crypto-map to this interface.
> Product
> PDSN, HA
> Privilege
> Security Administrator, Administrator
> Syntax
> crypto-map map_name [ secondary-address sec_ip_addr ]
> no
> Deletes the application of the crypto map on this interface.
> map_name
> Specifies the name of the crypto map being applied. The name can be from 1 to 127 alpha and/or numeric characters and is case sensitive.
> secondary-address sec_ip_addr
> Applies the crypto map to the secondary address for this interface that is specified by sec_ip_addr. sec_ip_addr must be specified using the standard IPv4/IPv6 notation.
> Usage
> In order for ISAKMP and/or manual crypto maps to work, they must be applied to a specific interface using this command. Dynamic crypto maps should not be applied to interfaces.
> The crypto map must be configured in the same context as the interface.
> Example
> To apply the IPSEC crypto map named cmap1 to this interface, use the following command:
> crypto-map cmap1
> description
> Configures the description text for the current interface.
> Product
> All
> Privilege
> Security Administrator, Administrator
> Syntax
> description text
> no description
> no
> Clears the description for the interface.
> text
> Specifies the descriptive text to use. text must be 0 to 79 alpha and/or numeric characters with no spaces or a quoted string of printable characters
> Usage
> Set the description to provide useful information on the interface’s primary function, services, end users, etc. Any information useful may be provided.
> Example
> description sampleInterfaceDescriptiveText
> end
> Exits the interface configuration mode and returns to the Exec mode.
> Product
> All
> Privilege
> Security Administrator, Administrator
> Syntax
> end
> Usage
> Change the mode back to the Exec mode.
> exit
> Exits the interface configuration mode and returns to the context configuration mode.
> Product
> All
> Privilege
> Security Administrator, Administrator
> Syntax
> exit
> Usage
> Return to the context configuration mode.
> ip
> Configures the IP options for the current interface.
> Product
> All
> Privilege
> Security Administrator, Administrator
> Syntax
> ip { access-group acl_name { in | out } [ priority-value ] | address ip_address ip_mask [ secondary | srp-activate ] | arp { arpa | timeout seconds } }
> no ip { access-group acl_name { in | out } | address ip_address | arp { arpa | timeout } }
> no
> Disables and/or restores the option to the system default.
> access-group acl_name { in | out } [ priority-value ]
> acl_name specifies the access control list to be added/removed from the group. The ACL rules must be configured in the same context as the interface.
> In Release 8.1 and later, acl_name must be an alpha and/or numeric string of 1 through 47 characters in length.
> In Release 8.0 and earlier, acl_name must be an alpha and/or numeric string of 1 through 79 characters in length.
> The direction must also be specified as either inbound or outbound using the keywords in and out, respectively.
> priority-value: Default: 0. If more than one ACL is applied, priority-value specifies the priority in which they will be compared against the packet. If not specified, the priority is set to 0. priority-value must be an integer from 0 through 4294967295. If access groups in the list have the same priority, the last one entered is used first.
> Important: Up to 8 ACLs can be applied to a group provided that the number of rules configured within the ACL(s) does not exceed the 128 rule limit for the interface.
> address ip_address ip_mask [ secondary | srp-activate ]
> Configures the IP address for the interface specifying the networking mask as well. ip_address and ip_mask must be specified using the standard IPv4/IPv6 notation.
> The secondary keyword is used to configure a secondary IP address on the interface. This is referred to as multi-homing of the interface.
> The srp-activate Activates the IP address for Interchassis Session Redundancy.
> arp { arpa | timeout seconds }
> Important: These keywords have been replaced by the R_arp command in the Global Configuration Mode. For backwards compatibility, however, these keywords are accepted as valid.
> Usage
> Create and manage the IP interfaces for the associated context.
> Example
> The following command configures the access group for the current context:
> ip access-group sampleAccessGroup
> ip address 1.2.3.4 0.0.0.128 secondary
> The following command sets the address resolution protocol timeout.
> ip arp timeout 1800
> The following commands remove the associated IP address and disable ARP for the interface, respectively.
> no ip address 1.2.3.4 no ip arp arpa
> ip mtu
> Configures the Maximum Transmission Unit (MTU) for this IP interface.
> Product
> All
> Privilege
> Security Administrator, Administrator
> Syntax
> ip mtu mtu-size
> no ip mtu mtu-size
> no
> Deletes the MTU value.
> Usage
> On ASR 5000 we support IP MTU with a normal interface and point-to-point interface (for OLC port).
> The maximum MTU size allowed with an OLC port is 1600, the maximum MTU size allowed with an Ethernet port is 2048. The default MTU size is 1500.
> Example
> The following command sets the MTU value to the default.
> ip mtu 1500
> ip ospf authentication-key
> This command configures the password for the authentication with neighboring routers.
> Product
> PDSN, HA, GGSN
> Privilege
> Security Administrator, Administrator
> Syntax
> ip ospfauthentication-key [ encrypted ] password auth_key
> no ip ospfauthentication-key
> no
> Deletes the authentication key.
> encrypted
> Use this keyword if you are pasting a previously encrypted authentication key into the CLI command.
> password auth_key
> The password to use for authentication. authentication_key is a string variable, from 1 through 16 alphanumeric characters, that denotes the authentication password. This variable is entered in clear text format.
> Usage
> Use this command to set the authentication key used when authenticating with neighboring routers.
> Example
> To set the authentication key to 123abc, use the following command;
> ip ospf authentication-key password 123abc
> Use the following command to delete the authentication key;
> no ip ospf authentication-key
> ip ospf authentication-type
> This command configures the OSPF authentication method to be used with OSPF neighbors over the logical interface.
> Product
> PDSN, HA, GGSN
> Privilege
> Security Administrator, Administrator
> Syntax
> ip ospf authentication-type { message-digest | null | text }
> no ip ospf authentication-type { message-digest | null | text }
> no
> Disable this function.
> message-digest
> Set the OSPF authentication type to use the message digest (MD) authentication method.
> null
> Set the OSPF authentication type to use no authentication, thus disabling either MD or clear text methods.
> text
> Set the OSPF authentication type to use the clear text authentication method.
> Usage
> Use this command to set the type of authentication to use when authenticating with neighboring routers.
> Example
> To set the authentication type to use clear text, enter the following command;
> ip ospf authentication-type text
> ip ospf cost
> This command configures the cost associated with sending a packet over the logical interface.
> Product
> PDSN, HA, GGSN
> Privilege
> Security Administrator, Administrator
> Syntax
> ipospfcost value
> no ipospfcost
> no
> Disable this function.
> value
> Default: 10
> The cost to assign to OSPF packets. This must be an integer from 1 through 65535.
> Usage
> Use this command to set the cost associated with routes from the interface.
> Example
> Use the following command to set the cost to 20;
> ip ospf cost 20
> Use the following command to disable the cost setting;
> no ip ospf cost
> ip ospf intervals
> This command configures the interval or delay type, and the interval or delay time in seconds, for OSPF communications.
> Product
> PDSN, HA, GGSN
> Privilege
> Security Administrator, Administrator
> Syntax
> ip ospf { dead-interval value | hello-interval value | retransmit-interval value | transmit-delay value }
> no ip ospf { dead-interval | hello-interval | retransmit-interval | transmit-delay }
> no
> Deletes the value set and returns the value to its default.
> dead-interval value
> Default: 40
> The interval, in seconds, that the router should wait, during which time no packets are received and after the router considers a neighboring router to be off-line. value must be an integer from 1 through 65535.
> hello-interval value
> Default: 10
> The interval, in seconds between sending hello packets. value must be an integer from 1 through 65535.
> retransmit-interval value
> Default: 5
> The interval, in seconds, between LSA (Link State Advertisement) retransmissions. value must be an integer from 1 through 65535.
> transmit-delay value
> Default: 1
> The interval, in seconds, that the router should wait before transmitting a packet. value must be an integer from 1 through 65535.
> Usage
> Use this command to set the intervals or delays for OSPF communications.
> Example
> To set the dead-interval to 100, use the following command;
> ip ospf dead-interval 100
> To delete the setting for the dead-interval and reset the dead-interval value to its default of 40, use the following command’
> no ip ospf dead-interval
> ip ospf message-digest-key
> This command enables the use of MD5-based OSPF authentication.
> Product
> PDSN, HA, GGSN
> Privilege
> Security Administrator, Administrator
> Syntax
> ip ospfmessage-digest-key key_id md5 [ encrypted ] password authentication_key
> no ip ospfmessage-digest-key key_id
> no
> Deletes the key.
> message-digest-key key_id
> Specifies the key identifier number. key_id must be an integer from 1 through 255.
> encrypted
> Use this if you are pasting a previously encrypted authentication key into the CLI command.
> password authentication_key
> The password to use for authentication. authentication_key is a string variable, from 1 through 16 alphanumeric characters, that denotes the authentication password. This variable is entered in clear text format.
> Usage
> Use this command to create an authentication key that uses MD5-based OSPF authentication.
> Example
> To create a key with the ID of 25 and a password of 123abc, use the following command;
> ip ospf message-digest-key 25 md5 password 123abc
> To delete the same key, enter the following command;
> no ip ospf message-digest-key 25
> ip ospf network
> Configures the OSPF network type.
> Product
> PDSN, HA, GGSN
> Privilege
> Security Administrator, Administrator
> Syntax
> ipospfnetwork { broadcast | non-broadcast | point-to-multipoint | point-to-point }
> no ipospfnetwork
> no
> Disable this function.
> broadcast
> Sets the network type to broadcast.
> non-broadcast
> Sets the network type to non-broadcast multi access (NBMA).
> point-to-multipoint
> Sets the network type to point-to-multipoint.
> point-to-point
> Sets the network type to point-to-point.
> Usage
> Use this command to specify the OSPF network type.
> Example
> To set the OSPF network type to broadcast, enter the following command;
> ip ospf network broadcast
> To disable the OSPF network type, enter the following command;
> no ip ospf network
> ip ospf priority
> This command designates the OSPF router priority.
> Product
> PDSN, HA, GGSN
> Privilege
> Security Administrator, Administrator
> Syntax
> ipospfpriority value
> no ipospfpriority value
> no
> Disable this function.
> value
> The priority value to assign. This must be an integer from 0 through 255.
> Usage
> Use this command to set the OSPF router priority.
> Example
> To set the priority to 25, enter the following command:
> ip ospf priority 25
> To disable the priority, enter the following command:
> no ip ospf priority
> ipv6 access-group
> Specifies the name of the ACL group to assign the interface to. You can filter for either inbound or outbound traffic.
> Product
> PDSN, HA
> Privilege
> Security Administrator, Administrator
> Syntax
> [no] ipv6 access-group group name { in | out } { priority-value }
> no
> Removes a previously configured access group association.
> group_name
> Specifies the name of the access group. group_name must be an alpha and/or numeric string of 1 to 79 characters.
> in
> Applies the filter to the inbound traffic.
> Specify a priority_value for the access group from 0 to 4294967295. The lower values indicate a higher priority.
> out
> Applies the filter to the outbound traffic.
> Specify a priority-value for the access group from 0 to 4294967295. The lower values indicate a higher priority.
> priority-value
> Default: 0
> Specifies the priority of the access group. 0 is the highest priority. If priority-value is not specified the priority is set to 0. priority-value must be a value from 0 to 4294967295.
> If access groups in the list have the same priority, the last one entered is used first.
> Usage
> Use this command to specify the ACL group to assign the interface to. Specify an ACL group name with this command.
> Important: Up to 8 ACLs can be applied to a group provided that the number of rules configured within the ACL(s) does not exceed the 128 rule limit for the interface.
> Example
> Use the following command to associate the group_1 access group with the current IPv6 profile for inbound access:
> ipv6 access-group group_1 in 1
> ipv6 address
> Specifies the address and subnet mask.
> Product
> PDSN, HA
> Privilege
> Security Administrator, Administrator
> Syntax
> ipv6 address ip_address
> ip_address
> Specifies an individual host IP address to add to this host pool.
> ip_address is the IP address in colon separated notation.
> Usage
> Configures the IPv6 address and subnet mask for a specific interface.
> ipv6 router advertisement
> Enables or disables the system to send IPv6 router advertisements.
> Product
> PDSN, HA
> Privilege
> Security Administrator, Administrator
> Syntax
> [no] ipv6 router advertisement
> Usage
> Enables sending of router advertisements on the interface. All of the pool prefixes in the context (belonging to the interface) will be advertised in the router advertisement.
> The router-lifetime in the advertisement is sent as 0 to indicate to the receiver that the sender cannot be a default-router. For all the prefixes (pools), the valid and preferred lifetime are sent as default. The router-advertisement is sent every 600 seconds.
> If the pool-prefix is deleted, then an router-advertisement is sent for that particular prefix with the valid and preferred time set to 0.
> policy-forward
> Configure the system for redirecting the HA packets to new HA during existing HA upgradation.
> Product
> PDSN, HA
> Privilege
> Security Administrator, Administrator
> Syntax
> policy-forward { icmp unreachable next-hop ip address |unconnected-address next-system ip address}
> no policy-forward unconnected-address
> no policy-forward unconnected-address
> Deletes the policy forwarding configuration for unconnected address for the current interface.
> icmp unreachable next-hop ip address
> Specifies routing of Internet Control Message Protocol (icmp) unreachable is required in overlapping pool configuration. ip address must be an IP address expressed in IPv4/IPv6 notation.
> unconnected-address next-system ip address
> Specifies address of next system HA to handle processing during HA upgrade.
> ip address must be an IP address expressed in IPv4/IPv6 notation.
> Usage
> Use this command to set the redirecting policy for IP packets from existing HA to new HA during upgradation. To configure this command both keyword will be in separate interface.
> Important: It is a customer specific command.
> To configure existing HA system for redirecting the HA packets to new HA during existing HA upgrade enter the following command:
> policy-forward unconnected-address next-system ip address policy-forward icmp unreachable next-hop ip address
> pool-share-protocol
> Configure the primary or secondary system for the IP pool sharing protocol and enter IPSP configuration mode.
> Product
> PDSN, HA
> Privilege
> Security Administrator, Administrator
> Syntax
> pool-share-protocol { primary address|secondary address} [mode {active | inactive | check-config}]
> no pool-share-protocol
> no pool-share-protocol
> Deletes the IP pool sharing protocol information from the current interface.
> primary address
> On the secondary system, define the IP address of an interface on the primary system that has identical IP pools configured for use with the IP pool sharing protocol. address must be an IP address expressed in IP v4 dotted decimal notation.
> secondary address
> On the primary system, define the IP address of an interface on the secondary system that has identical IP pools configured for use with the IP pool sharing protocol. address must be an IP address expressed in IP v4 dotted decimal notation.
> mode {active | inactive | check-config}
> This is an optional command to manage the mode for IP pool sharing protocol for primary or secondary HA.
> active: Activates the IP pool sharing protocol mode.
> inactive: Inactivates the IP pool sharing protocol mode.
> check-config: Verify the IP pool sharing protocol configuration.
> Usage
> Use this command to set the IP address of the primary or secondary system for use with the IP pool sharing protocol and enter ipsp configuration mode. This command must be configured for an interface in each context that has IP pools configured. Refer to the System Administration and Configuration Guide for information on configuring and using the IP pool sharing protocol.
> Important: Both the primary and secondary systems must be in the same subnet.
> Important: For information on configuring and using IPSP refer to the System Administration and Configuration Guide.
> Important: To reserve free addresses on primary HA for this command use reserved-free-percentage command in IPSP Configuration Mode Commands of this guide.
> Example
> To configure a secondary system with an IP address of 192.168.100.10 for use with the IP pool sharing protocol, enter the following command:
> pool-share-protocol secondary 192.168.100.10
> To inactivate a secondary system with an IP address of 192.168.100.10 for use with the IP pool sharing protocol, enter the following command:
> pool-share-protocol secondary 192.168.100.10 mode inactive
> port-switch-on-L3-fail
> This command causes the line card port to which the current interface is bound to switch over to the port on the redundant line card when connectivity to the specified IP address is lost.
> Product
> All
> Privilege
> Security Administrator, Administrator
> Syntax
> port-switch-on-L3-failaddress { ip_address | ipv6_address } [ minimum-switchover-period switch_time ] [ interval int_time ] [ timeout time_out ] [ num-retry number ]
> no port-switch-on-L3-fail
> no
> Disable port switchover on failure.
> ip_address
> The IP address to monitor for connectivity. ‘ ip_address must be in either ipv4 format or IPv6 format
> minimum-switchover-period switch_time
> Default: 120 seconds
> After a switchover occurs, another switchover cannot occur until the amount of time specified has elapsed. switch_time must be an integer in the range from 1 to 3600.
> interval int_time
> Default: 60 seconds
> This specifies how often, in seconds, monitoring packets are sent to the IP address being monitored. int_time must be an integer in the range from 1 to 3600.
> timeout time_out
> Default: 3 seconds
> This specifies how long to wait without a reply before resending monitoring packets to the IP address being monitored. time_out must be an integer in the range from 1 to 10.
> num-retry number
> Default: 5
> This value specifies how many times to retry sending monitor packets to the IP address being monitored before performing the switchover operation. number must be an integer in the range from 1 to 100.
> Usage
> Use this command to monitor a destination in your network to test for L3 connectivity. The destination being monitored should be reachable from both the active and standby line cards.
> Example
> The following command enables port switchover on connectivity failure to the IP address 192.168.10.100 using default values:
> port-switch-on-L3-fail address 192.168.10.100
> The following command disables port switchover on connectivity failure:
> no port-switch-on-L3-fail
> vlan-map
> This command sets a single next-hop IP address so that multiple vlans can use a single next-hop gateway. vlan-map is associated with a specific interface.
> Product
> PDSN, HA, SGSN
> Privilege
> Security Administrator, Administrator
> vlan-map next-hop ip_address
> next-hop ip_address
> This keyword defines an IP address for the next-hop gateway.
> ip_address: Can be either an IPv4 or IPv6 address in standard format.
> Usage
> Use vlan-map to combine multiple vlan links to go through a single IP address. This feature is used in conjunction with nexthop forwarding and overlapping IP pools.
> After configuring the vlan-map, move to the Port Ethernet configuration mode to attach the vlan-map to a specific vlan.
> Example
> The following command sets an IPv4 for a next-hop gateway.
> vlan-map next-hop 123.123.123.1

Cisco Systems Inc.
Tel: 408-526-4000
Fax: 408-527-0883