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 Post subject: A problem between cisco router and junos
PostPosted: Thu Jun 09, 2011 11:33 pm 
I have installed the gns3 with juniper image(10.1.R1.8) and cisco c7513 ios image...
then, they can ping each other...

but, a problem is the routing protocol hello timers. I have tested on bgp,isis,ospf...

*Jun 10 08:29:48.827: %BGP-5-ADJCHANGE: neighbor 2.2.2.2 Up
Service1#
*Jun 10 08:32:48.995: %BGP-5-ADJCHANGE: neighbor 2.2.2.2 Down BGP Notification sent
Service1#
*Jun 10 08:32:48.999: %BGP-3-NOTIFICATION: sent to neighbor 2.2.2.2 4/0 (hold time expired) 0 bytes
Service1#
*Jun 10 08:33:22.495: %BGP-5-ADJCHANGE: neighbor 2.2.2.2 Up
Service1#
*Jun 10 08:36:21.651: %BGP-5-ADJCHANGE: neighbor 1.1.1.1 Down BGP Notification sent
Service1#
*Jun 10 08:36:21.651: %BGP-3-NOTIFICATION: sent to neighbor 1.1.1.1 4/0 (hold time expired) 0 bytes
*Jun 10 08:36:22.659: %BGP-5-ADJCHANGE: neighbor 2.2.2.2 Down BGP Notification sent
Service1#
*Jun 10 08:36:22.659: %BGP-3-NOTIFICATION: sent to neighbor 2.2.2.2 4/0 (hold time expired) 0 bytes
Service1#
*Jun 10 08:36:53.655: %BGP-5-ADJCHANGE: neighbor 1.1.1.1 Up
*Jun 10 08:36:54.399: %BGP-5-ADJCHANGE: neighbor 2.2.2.2 Up



In cisco side, it did't receive hello messages exactly from the junos. I have tested with gns3 0.7.3 and 0.7.4. But same routing flapping....

Is there any solutions? Help me!!!




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 Post subject: Re: A problem between cisco router and junos
PostPosted: Wed Jul 17, 2013 10:47 am 
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Joined: Sat Sep 08, 2012 9:28 pm
Posts: 15
Actually I get BGP link flapping with Cisco 3725s.
Loopback interface with static route used.




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