Dell PowerSwitch S4128F-ON OS10 Enterprise Edition User Guide Release 10.4.1.0 - Page 259
Flow-based monitoring, encapsulated remote port monitoring
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• OS10 does not support ERPM destination session and decapsulation of ERPM packets at the destination switch. • You can configure a maximum of 4 ERPM sessions with a maximum of 128 source ports in each session. You can configure these 4 ERPM sessions in one of the following methods: - Single directional with either 4 ingress or 4 egress sessions. - Bidirectional with 2 ingress and 2 egress sessions. • You can monitor a source VLAN only through flow-based monitoring. Only ingress is supported in a flow-based source VLAN monitoring. • You cannot configure an interface with ERPM traffic as a source for an ERPM session. • You cannot monitor an RPM VLAN as a source. • You cannot configure the same destination IP address for two sessions. • You cannot configure an interface that serves as egress for GRE tunnel as a source interface. • ERPM supports only GRE over IPv4 tunneling. • ERPM does not support ECMP. • You can use third party devices as only tunnel-transit devices. • OS10 does not support monitoring VLAN sub-interfaces and CPU generated packets. Configure encapsulated remote port monitoring Encapsulated remote port monitoring requires valid source and destination IP addresses. Ensure that the source IP address is local and destination IP address is remote. You can also configure the TTL and DSCP values. Create monitoring session OS10(config)# monitor session 10 type erpm-source S10(conf-mon-erpm-source-10)# Configure source port, source and destination IP addresses, and protocol type OS10(conf-mon-erpm-source-10)# source interface ethernet 1/1/2 OS10(conf-mon-erpm-source-10)# source-ip 1.1.1.1 destination-ip 3.3.3.3 gre-protocol 35006 OS10(conf-mon-erpm-source-10)# ip ttl 16 OS10(conf-mon-erpm-source-10)# ip dscp 63 OS10(conf-mon-erpm-source-10)# no shut View configured ERPM session OS10(conf-mon-erpm-source-6)# do show monitor session all S.Id Source Destination Dir Mode Source IP Dest IP DSCP TTL Gre- Protocol State Reason 6 ethernet1/1/2 remote-ip both port 1.1.1.1 3.3.3.3 63 16 35006 true Is UP View running configuration of monitor session OS10# show running-configuration monitor ! monitor session 10 type erpm-source source-ip 1.1.1.1 destination-ip 3.3.3.3 source interface ethernet1/1/2 no shut Flow-based monitoring Flow-based monitoring conserves bandwidth by inspecting only specified traffic instead of all interface traffic. Using flow-based monitoring, you can monitor only traffic received by the source port that matches criteria in ingress access-lists. 1 Enable flow-based monitoring for a monitoring session in MONITOR-SESSION mode. flow-based enable Layer 2 259