Sub-Protocols 
         
             Directory-Enabled Networks (DEN) IP Service Level Agreements (IP SLAs) Simple Mail Transfer Protocol (SMTP) Simple Network Management Protocol (SNMP) Service Assurance Agent (SAA) Syslog Remote Command (RCMD) Internet Message Access Protocol version 4 (IMAP4) Domain Name System (DNS) Hypertext Transfer Protocol (HTTP) Post Office Protocol version 3 (POP3) Dynamic Host Configuration Protocol (DHCP)/DHCPv6 Network Time Protocol (NTP) Secure HTTP (S-HTTP) BOOTP Hot Standby Router Protocol (HSRP) Trivial File Transfer Protocol (TFTP) Real Time Streaming Protocol (RTSP) Gateway Discovery Protocol (GDP) TELNET 
          
     
 
     
 
     
        
        
        
        
    
         Documentation  
        
           
              
                  
	
		
		
			Load More 
			View English Results 
			View English Results 
			
		 
	 
 
               
            
           
    use JS to put chosen tab in here or hide  
    
        Key Information 
         
        Customers Also Viewed 
         
        Saved Content 
         
     
    
    
    
        
    Saved Content  
     
    
        
			
                You can now save documents for easier access and future use. Saved documents for this product will be listed here, or visit the My Saved Content  page to view and manage all saved content from across Cisco.com.  
				
            	 Log in  to see your Saved Content.  
             
         
     
    
 
     
  
           
                
                   
   
   
        
            
                 
                Technology Information 
                        
                            Technology Q&A                             
                                        
                                         Hot Standby Router Protocol (HSRP) 
                                            
                                         
                                        
                                         Network Time Protocol (NTP) 
                                            
                                         
                                        
                                         Simple Network Management Protocol (SNMP) 
                                            
                                         
                                                                  
                        
                            Technology White Paper                             
                                        
                                         Applicable to Multiple Technologies 
                                            
                                         
                                                                  
                 
                 
                Configuration 
                                                                        
                             View all documentation of this type   
           
                 
                 
                Operation and Troubleshooting 
                        
                            Maintain and Operate TechNotes                             
                                        
                                         Applicable to Multiple Technologies 
                                            
                                         
                                        
                                         Simple Network Management Protocol (SNMP) 
                                            
                                         
                                                                  
                                                                        
                             View all documentation of this type   
           
                 
            
        
 
 
     
  
 
                 
             
         
        Community