Chapter 6: Command line mode 
NS3552-8P-2S-V2 User Manual  423 
<evc_id>: EVC ID (1-128) 
EVC Statistics 
Description: 
Show or clear EVC statistics. 
Syntax: 
EVC Statistics [<port_list>] [<class_list>] [<command>] 
Parameters: 
<port_list> : Port list or 'all', default: All ports 
<class_list>: QoS class list, 0-7 
<command>   : Statistics command: clear|green|yellow|red|discard 
EVC ECE Add 
Description: 
Add or modify EVC Control Entry (ECE): 
- If <ece_id> is specified and the ECE exists, the ECE will be modified. 
- If <ece_id> is omitted or the ECE does not exist, a new ECE will be added. 
- If <ece_id_next> is specified, the ECE will be placed before this entry. 
- If <ece_id_next> is 'last', the ECE will be placed at the end of the list. 
- If <ece_id_next> is omitted and it is a new ECE, the ECE will be placed last. 
- If <ece_id_next> is omitted and the ECE exists, the ECE will not be moved. 
Syntax: 
EVC ECE Add [<ece_id>] [<ece_id_next>] [uni] [<uni_list>] [<dmac_type>] 
[<smac>][tag] [<tag_type>] [<vid>] [<pcp>] [<dei>] [all | (ipv4 [<proto>] [<sip>] 
[<dscp>] [<fragment>] [<sport>] [<dport>]) | (ipv6 [<proto>] [<sip_v6>] [<dscp>] 
[<sport>] [<dport>])] [direction] [<direction>] [evc] [<evc_id>] [pop] [<pop>] [policy] 
[<policy>] [class] [<class>] [outer] [<ot_mode>] [<ot_preserve>] [<ot_pcp>] 
[<ot_dei>] 
 
Parameters: 
<ece_id> : ECE ID (1-128) 
<ece_id_next>: Next ECE ID (1-128) or 'last' 
uni          : UNI keyword 
<uni_list>   : UNI port list (1-10) 
<dmac_type>  : DMAC type: any|unicast|multicast|broadcast 
<smac>      : SMAC or 'any' 
tag          : Tag matching keyword 
<tag_type>   : Tag type: tagged|untagged|any 
<vid>        : VLAN ID value/range (0-4095) or 'any' 
<pcp>        : PCP value/range (0-7) or 'any' 
<dei>        : DEI value, 0, 1 or 'any' 
all          : Keyword for matching any frame type 
ipv4 : Keyword for matching IPv4 frames 
<proto>      : IP protocol value (0-255) or 'any' 
<sip>        : IPv4 source address (a.b.c.d/n) or 'any' 
<dscp>       : DSCP value/range (0-63) or 'any' 
<fragment>   : IPv4 fragment: any|fragment|non-fragment 
<sport>      : UDP/TCP source port value/range (0-65535) or 'any' 
<dport>      : UDP/TCP destination port value/range (0-65535) or 'any'