potentially there can be as many labels as the MTU allows according to the standards. In reality you might have hardware based limitations like in the "Cisco IOS Software Configuration for the Cisco 12000 Series Two-Port OC-192c/STM-64c Packet over SONET Line Card"
there are only 4 Byte labels in frame-mode MPLS; they all look absolutely the same.
If your question is about the meaning of labels: there could be f.e. an MPLS TE label, a LDP label, a VPN label ... and more VPN labels! In a Carrier of Carriers environment there could be - possibly - any number of VPN labels, each belonging to a different service provider.
1. Introduction Internet security is important with the increasing
attacks that are happening every day. Many internet and browsing
security solutions exist, but some are not very easy to use or maybe the
question is how can I enable them? In this referen...
Cisco Software Manager Server API Guide This document describes the
programmatic interfaces, RESTful APIs, which are supported by Cisco
Software Manager Server (CSM Server). Overview CSM Server supports a set
of finite RESTful APIs. The first step to use ...
If you are using Cisco's new linux-based Cisco Software Manager server,
then you probably want to make sure there is a startup service for
it.I'll assume that you've already installed the CSM server on a
systemd-based linux system. The commands given belo...