Cisco CCNA (640-553) Security Exam Training – Using the "Clear Dmvpn Session" Command

In as we speak’s article, I will shortly inform you concerning the Cisco IOS privileged EXEC mode (router#) command named “clear dmvpn session“.  Community directors (such as you) use the “clear dmvpn session” command to clear Dynamic Multipoint VPN (DMVPN) periods.     

In different phrases, you need to use this command to take away present DMVPN periods primarily based on enter parameters.     

Under is the command’s syntax:     

clear dmvpn session [peer ipv6-address] [interface tunnel number] [vrf vrf-name] [static]     

As you’ll be able to see, this command has a number of (elective) key phrases and arguments:     

peer – This (elective) key phrase is used to specify a DMVPN peer.     

nbma – This (elective) key phrase is used to specify nonbroadcast mapping entry (NBMA).    

tunnel – This (elective) key phrase is used to specify a tunnel.     

ipv4-address – This (elective) argument is the IPv4 deal with of a DMVPN peer.    

ipv6-address – This (elective) argument is the IPv6 deal with of a DMVPN peer.     

interface – This (elective) key phrase is used to view the DMVPN details about a selected interface.     

tunnel quantity – This (elective) key phrase with argument mixture is used to specify the tunnel deal with for the DMVPN peer.     

vrf vrf-tunnel – This (elective) key phrase with argument mixture is used to clear (take away) all Subsequent Hop Decision Protocol (NHRP) periods associated to the required digital routing and forwarding (VRF) configuration.   

static – And, this (elective) key phrase is used to clear all static and dynamic NHRP entries. Bear in mind, should you determine to not use this key phrase with the command; solely dynamic NHRP entries will likely be cleared.  

By the best way, should you determine to make use of the command, be sure that your router(s) is working Cisco IOS 12.4(20)T or larger.    

I hope this text was very informative and helped you shortly perceive the utilization of the clear dmvpn session command. If you’ll want to study extra; I counsel you go to my web site, had been you will discover the newest data relating to the Cisco CCNA (640-553) Safety examination strategies.     

To your success,  

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