June 2017
Intermediate to advanced
446 pages
10h 10m
English
Content preview from Mastering Python Networking
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Cisco device configuration
One of the benefits of using VIRL is the auto-configuration generation function. I assume we are all familiar with the basics of BGP syntax; I will not spend too much time on it. Following are short descriptions that will help us in understanding the scenario. spine-1 and leaf-1 are EBGP peers; spine-1 in ASN1 while leaf-1 in ASN2:
spine-1#sh ip bgp summary BGP router identifier 192.168.0.1, local AS number 1...Neighbor V AS MsgRcvd MsgSent TblVer InQ OutQ Up/Down State/PfxRcd10.0.128.2 4 2 262 264 30 0 0 03:54:18 2
The link between spine-1 and leaf-1 is in 10.0.128.0/17, while the server rack behind leaf-1 is in the 10.0.0.0/17 network. Spine-'s loopback IP is 192.168.0.1/32 and -1's loopback IP is 192.168.0.5/32 ...
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