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To configure a peer group named "PeerGroup1" and set a maximum AS path value of 7, enter the

following commands:

device(config-/jointfilesconvert/1441084/bgp)# neighbor PeerGroup1 peer-group

device(config-/jointfilesconvert/1441084/bgp)# neighbor PeerGroup1 maxas-limit in 7

BGP4 max-as error messages

This section lists error log messages that you might see when the device receives routes that exceed

the configured AS segment limit or the internal memory limit. The log messages can contain a

maximum of 30 ASNs. If a message contains more than 30 ASNs, the message is truncated and an

ellipsis appears.

Maximum AS path limit error

SYSLOG: <11>Jan 1 00:00:00 mu1, BGP: From Peer 192.168.1.2 received Long AS_PAT H=

AS_CONFED_SET(4) 1 2 3 AS_CONFED_SEQUENCE(3) 4 AS_SET(1) 5 6 7 AS_SEQ(2) 8 9

attribute length (9) More than configured MAXAS-LIMIT 7

Memory limit error

SYSLOG: <11>Jan 1 00:00:00 mu1, BGP: From Peer 192.168.1.2 received Long AS_PAT H=

AS_CONFED_SET(4) 1 2 3 AS_CONFED_SEQUENCE(3) 4 AS_SET(1) 5 6 7 AS_SEQ(2) 8 9

attribute length (9) Exceeded internal memory limit

NOTE

The device generates a log message one time every two minutes. Because of this rate limit, it is

possible that some errors might not appear in the log. In this case, you can use the debug ip /jointfilesconvert/1441084/bgp

events command to view errors pertaining to the maxas-limit value and the actual AS path attributes

received.

Originating the default route

By default, the device does not originate and advertise a default route using BGP4. A BGP4 default

route is the IP address 0.0.0.0 and the route prefix 0 or network mask 0.0.0.0. For example, 0.0.0.0/0 is

a default route.

NOTE

The device checks for the existence of an IGP route for 0.0.0.0/0 in the IP route table before creating a

local BGP4 route for 0.0.0.0/0.

To configure the device to originate and advertise a default BGP4 route, enter this command.

device(config-/jointfilesconvert/1441084/bgp)# default-information-originate

Syntax: [no] default-information-originate

BGP4 max-as error messages

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