DEBUG OUTPUT FROM ISP2
Friday, November 14, 2008
this is the debug out put from isp2
as soon as issuing router bgp command so many process gets started as we have seen .. this is the start lets examine the bgp routing and neighb tables
CODE
as#3
[Resuming connection 3 to r3 ... ]
isp2(config)#
isp2(config)#
isp2(config)#do debug ip bgp events
BGP events debugging is on
isp2(config)#router bgp 300
isp2(config-router)#neig
*Mar 1 02:15:49.667: BGP: reset all neighbors due to BGP protocol initialization
isp2(config-router)#neig 172.
*Mar 1 02:15:50.691: BGP(IPv4 Unicast): computed bestpaths, table version went from 1 to 1
*Mar 1 02:15:50.691: BGP(VPNv4 Unicast): computed bestpaths, table version went from 1 to 1
*Mar 1 02:15:50.691: BGP(IPv4 Multicast): computed bestpaths, table version went from 1 to 1
*Mar 1 02:15:50.691: BGP: notified IGPs about convergence
*Mar 1 02:15:50.691: BGPNSF: Listeners notified about convergence
isp2(config-router)#neig 172.16.0.2 remote-as 100
isp2(config-router)#net
*Mar 1 02:16:00.691: BGP(IPv4 Unicast): will wait 300s for the first peer to establish
isp2(config-router)#net 172.1
*Mar 1 02:16:04.691: BGP: Regular scanner event timer
*Mar 1 02:16:04.691: BGP: Performing BGP general scanning
*Mar 1 02:16:04.691: BGP(0): scanning IPv4 Unicast routing tables
*Mar 1 02:16:04.699: BGP(2): scanning VPNv4 Unicast routing tables
*Mar 1 02:16:04.699: BGP(VPNv4 Unicast): Performing BGP Nexthop scanning for general scan
*Mar 1 02:16:04.699: BGP: Import walker start version 0, end version 1
*Mar 1 02:16:04.699: BGP: ... start import cfg version = 0
*Mar 1 02:16:04.699: BGP(2): Future scanner version: 2, current scanner version: 1
*Mar 1 02:16:04.699: BGP(4): scanning IPv4 Multicast routing tables
isp2(config-router)#net 172.16.1
*Mar 1 02:16:04.707: BGP(IPv4 Multicast): Performing BGP Nexthop scanning for general scan
*Mar 1 02:16:04.707: BGP(4): Future scanner version: 2, current scanner version: 1
isp2(config-router)#net 172.16.1.0 mask 255.255.255.0
isp2(config-router)#
*Mar 1 02:16:19.727: BGP: Regular scanner event timer
*Mar 1 02:16:19.727: BGP: Import timer expired. Walking from 1 to 1
isp2(config-router)#
*Mar 1 02:16:26.283: BGP(0): 172.16.0.2 was the first peer to be established for IPv4 Unicast
*Mar 1 02:16:26.283: %BGP-5-ADJCHANGE: neighbor 172.16.0.2 Up -------------------------------------------*
isp2(config-router)#
*Mar 1 02:16:26.287: BGP(IPv4 Unicast): First peer has been established, delaying initial updates for up to 120 seconds
*Mar 1 02:16:26.343: BGP(IPv4 Unicast): computed bestpaths, table version went from 1 to 5
*Mar 1 02:16:26.347: BGP: notified IGPs about convergence
*Mar 1 02:16:26.347: BGPNSF: Listeners notified about convergence
isp2(config-router)#
*Mar 1 02:16:34.727: BGP: Regular scanner event timer
*Mar 1 02:16:34.727: BGP: Import timer expired. Walking from 1 to 1
isp2(config-router)#
[Resuming connection 3 to r3 ... ]
isp2(config)#
isp2(config)#
isp2(config)#do debug ip bgp events
BGP events debugging is on
isp2(config)#router bgp 300
isp2(config-router)#neig
*Mar 1 02:15:49.667: BGP: reset all neighbors due to BGP protocol initialization
isp2(config-router)#neig 172.
*Mar 1 02:15:50.691: BGP(IPv4 Unicast): computed bestpaths, table version went from 1 to 1
*Mar 1 02:15:50.691: BGP(VPNv4 Unicast): computed bestpaths, table version went from 1 to 1
*Mar 1 02:15:50.691: BGP(IPv4 Multicast): computed bestpaths, table version went from 1 to 1
*Mar 1 02:15:50.691: BGP: notified IGPs about convergence
*Mar 1 02:15:50.691: BGPNSF: Listeners notified about convergence
isp2(config-router)#neig 172.16.0.2 remote-as 100
isp2(config-router)#net
*Mar 1 02:16:00.691: BGP(IPv4 Unicast): will wait 300s for the first peer to establish
isp2(config-router)#net 172.1
*Mar 1 02:16:04.691: BGP: Regular scanner event timer
*Mar 1 02:16:04.691: BGP: Performing BGP general scanning
*Mar 1 02:16:04.691: BGP(0): scanning IPv4 Unicast routing tables
*Mar 1 02:16:04.699: BGP(2): scanning VPNv4 Unicast routing tables
*Mar 1 02:16:04.699: BGP(VPNv4 Unicast): Performing BGP Nexthop scanning for general scan
*Mar 1 02:16:04.699: BGP: Import walker start version 0, end version 1
*Mar 1 02:16:04.699: BGP: ... start import cfg version = 0
*Mar 1 02:16:04.699: BGP(2): Future scanner version: 2, current scanner version: 1
*Mar 1 02:16:04.699: BGP(4): scanning IPv4 Multicast routing tables
isp2(config-router)#net 172.16.1
*Mar 1 02:16:04.707: BGP(IPv4 Multicast): Performing BGP Nexthop scanning for general scan
*Mar 1 02:16:04.707: BGP(4): Future scanner version: 2, current scanner version: 1
isp2(config-router)#net 172.16.1.0 mask 255.255.255.0
isp2(config-router)#
*Mar 1 02:16:19.727: BGP: Regular scanner event timer
*Mar 1 02:16:19.727: BGP: Import timer expired. Walking from 1 to 1
isp2(config-router)#
*Mar 1 02:16:26.283: BGP(0): 172.16.0.2 was the first peer to be established for IPv4 Unicast
*Mar 1 02:16:26.283: %BGP-5-ADJCHANGE: neighbor 172.16.0.2 Up -------------------------------------------*
isp2(config-router)#
*Mar 1 02:16:26.287: BGP(IPv4 Unicast): First peer has been established, delaying initial updates for up to 120 seconds
*Mar 1 02:16:26.343: BGP(IPv4 Unicast): computed bestpaths, table version went from 1 to 5
*Mar 1 02:16:26.347: BGP: notified IGPs about convergence
*Mar 1 02:16:26.347: BGPNSF: Listeners notified about convergence
isp2(config-router)#
*Mar 1 02:16:34.727: BGP: Regular scanner event timer
*Mar 1 02:16:34.727: BGP: Import timer expired. Walking from 1 to 1
isp2(config-router)#
as soon as issuing router bgp command so many process gets started as we have seen .. this is the start lets examine the bgp routing and neighb tables
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