June 2017
Intermediate to advanced
446 pages
10h 10m
English
Content preview from Mastering Python Networking
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Cisco and YANG model
Earlier in the chapter, we looked at the possibility of expressing the network using data modeling language YANG. Let's look into it a little bit.
First off, we should know that YANG only defines the type of data sent over NETCONF protocol, and NETCONF exists as a standalone protocol as we saw in the NX-API section. YANG, being relatively new, has a spotty supportability across vendors and product lines. For example, if we run the same capability exchange script that we have used before to a Cisco 1000v running IOS-XE, this is what we will see:
urn:cisco:params:xml:ns:yang:cisco-virtual-service?module=cisco- virtual-service&revision=2015-04-09 http://tail-f.com/ns/mibs/SNMP-NOTIFICATION-MIB/200210140000Z? module=SNMP-NOTIFICATION-MIB&revision=2002-10-14 ...
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