Behavior Of Various Applications For Switch-Destined Traffic - Dell S4820T Configuration Manual
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Table of Contents
Protocol
telnet
tftp
icmp (ping and traceroute)
Behavior of Various Applications for Switch-Destined Traffic
This section describes the different system behaviors that occur when traffic is terminated on the switch.
Traffic has not originated from the switch and is not transiting the switch. Switch-destined traffic is
applicable only for applications which act as server for the TCP session and also for ICMP-based
applications like ping and traceroute. FTP, SSH, and Telnet are the applications that can function as
servers for the TCP session.
EIS Behavior: If source TCP or UDP port matches an EIS management or a non-EIS management
application and source IP address is management port IP address, management port is the preferred
egress port selected based on route lookup in EIS table. If the management port is down or the route
lookup fails, packets are dropped.
If the source TCP/UDP port or source IP address does not match the management port IP address, a
route lookup is done in the default routing table.
EIS behavior for ICMP: ICMP packets do not have TCP/UDP ports. In this case, to perform an EIS route
lookup for ICMP-based applications (ping and traceroute), you must configure ICMP as a management
application. If the management port is down or the route lookup fails, packets are dropped.
If source IP address does not match the management port IP address route lookup is done in the default
routing table.
Default Behavior: Route lookup is done in the default routing table and appropriate egress port is
selected.
Protocol
ftp
http
ssh
Snmp (snmp mib response)
telnet
icmp (ping and traceroute)
Internet Group Management Protocol (IGMP)
Behavior when EIS is Enabled
EIS Behavior
EIS Behavior
EIS Behavior for ICMP
Behavior when EIS is Enabled
EIS Behavior
EIS Behavior
EIS Behavior
EIS Behavior
EIS Behavior
EIS Behavior for ICMP
Behavior when EIS is Disabled
Default Behavior
Default Behavior
Default Behavior
Behavior when EIS is Disabled
Default Behavior
Default Behavior
Default Behavior
Default Behavior
Default Behavior
Default Behavior
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