Cisco Nexus 5600 Series - Page 227

PurposeCommand or Action
Associates the ERSPAN source session number with the
VLANs (1-4096).
source vlan number
Example:
switch(config-erspan-src)# source
vlan 1
Step 8
On Cisco Nexus 5000 Series switches, specifies the
VSAN ID number. The range is 1 to 4093. On Cisco
source vsan number
Example:
switch(config-erspan-src)# source
vsan 1
Step 9
Nexus 5500 Series switches, you cannot configure source
VSANs.
Configures the destination IP address in the ERSPAN
session. Only one destination IP address is supported per
ERSPAN source session.
destination ip ip-address
Example:
switch(config-erspan-src)#
destination ip 192.0.2.2
Step 10
Configures the flow ID to identify the ERSPAN flow.
The range is from 1 to 1023.
erspan-id flow-id
Example:
switch(config-erspan-src)#
erspan-id 5
Step 11
Configures the VRF to use instead of the global routing
table. You can use a VRF that you have specifically
configured or the default VRF.
vrf {vrf-name | default }
Example:
switch(config-erspan-src)# vrf
default
Step 12
Configures the ACL filter for packets in this ERSPAN
session. The ACL filter can be a MAC or an IP access-list.
[no] filter access-group acl_filter
Example:
switch(config-erspan-src)# filter
access-group erspan_acl_filter
Step 13
(Optional)
Configures the IP time-to-live (TTL) value of the packets
in the ERSPAN traffic. Valid values are from 1 to 255.
The default value is 255.
ip ttl ttl-number
Example:
switch(config-erspan-src)# ip ttl
5
Step 14
(Optional)
Configures the IP Differentiated Services Code Point
(DSCP) value of the packets in the ERSPAN traffic. Valid
values are from 0 to 63. The default value is 0.
ip dscp dscp_value
Example:
switch(config-erspan-src)# ip
dscp 42
Step 15
Enables the ERSPAN source session. By default, the
session is created in the shut state.
On Cisco Nexus 5000 Series switches, only two
ERSPAN source sessions can be running
simultaneously. On Cisco Nexus 5500 Series
switches, up to four source sessions can be
running simultaneously.
Note
no shut
Example:
switch(config-erspan-src)# no
shut
Step 16
Cisco Nexus 5600 Series NX-OS System Management Configuration Guide, Release 7.x
OL-31641-01 205
Configuring ERSPAN
Configuring an ERSPAN Type III Source Session