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SPAN 配置Catalyst交換端口分析器( 六 )

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Do you want to continue (y/n) [n]?y
Disabled Port 6/2 to monitor transmit/receive traffic of Port 6/4-5
2000 Sep 06 02:52:22 %SYS-5-SPAN_CFGSTATECHG:local span session
inactive for destination port 6/2
switch (enable) set trunk 6/2 nonegotiate isl;

Port(s) 6/2 trunk mode set to nonegotiate.
Port(s) 6/2 trunk type set to isl.
switch (enable) 2000 Sep 06 02:52:33 %DTP-5-TRUNKPORTON:Port 6/2 has become isl trunk
switch (enable) set span 6/4-5 6/2
Destination : Port 6/2
Admin Source : Port 6/4-5
Oper Source : Port 6/4-5
Direction : transmit/receive
Incoming Packets: disabled;
Learning : enabled
Multicast : enabled
Filter : -
Status : active
2000 Sep 06 02:53:23 %SYS-5-SPAN_CFGSTATECHG:local span session active for;
destination port 6/2
創(chuàng)建多個同步話路
到目前為止，僅創(chuàng)建了單個話路 。每當(dāng)您輸入一條新的 set span 命令，以上配置將失效 ?，F(xiàn)在CatOS可以同時執(zhí)行多個話路，換言之，它可以同時具有不同的目的地端口 。請使用 set span create 命令來添加另外的SPAN話路 。在以下話路中，端口6/1到6/2將受到監(jiān)控，與此同時，監(jiān)控器VLAN 3到端口6/3也將受到監(jiān)控：
switch (enable) set span 6/1 6/2
2000 Sep 05 08:49:04 %SYS-5-SPAN_CFGSTATECHG:local span session inactive;
for destination port 6/2
Destination : Port 6/2
Admin Source : Port 6/1
Oper Source : Port 6/1
Direction : transmit/receive
Incoming Packets: disabled
Learning : enabled
Multicast : enabled
Filter : -
Status : active
switch (enable) 2000 Sep 05 08:49:05 %SYS-5-SPAN_CFGSTATECHG:local span;
session active for destination port 6/2
switch (enable) set span 3 6/3 create
Destination : Port 6/3
Admin Source : VLAN 3
Oper Source : Port 6/4-5,15/1
Direction : transmit/receive
Incoming Packets: disabled
Learning : enabled
Multicast : enabled
Filter : -
Status : active
switch (enable) 2000 Sep 05 08:55:38 %SYS-5-SPAN_CFGSTATECHG:local span;
session active for destination port 6/3
現(xiàn)在，通過 show span 命令檢查你是否同時有兩條話路：

switch (enable) show span
Destination : Port 6/2
Admin Source : Port 6/1
Oper Source : Port 6/1
Direction : transmit/receive
Incoming Packets: disabled
Learning : enabled
Multicast : enabled
Filter : -
Status : active
------------------------------------------------------------------------
Destination : Port 6/3
Admin Source : VLAN 3
Oper Source : Port 6/4-5,15/1
Direction : transmit/receive
Incoming Packets: disabled
Learning : enabled
Multicast : enabled
Filter : -
Status : active
Total local span sessions: 2
現(xiàn)在新增話路已經(jīng)創(chuàng)建 。您需要刪除一些話路的方法 。命令是：
set span disable

話路的識別要通過它的目的地端口（因為每個話路只有一個目的地端口） 。刪除第一個創(chuàng)建的話路，該話路使用端口6/2作為目的地：
switch (enable) set span disable 6/2
This command will disable your span session.
Do you want to continue (y/n) [n]?y
Disabled Port 6/2 to monitor transmit/receive traffic of Port 6/1
2000 Sep 05 09:04:33 %SYS-5-SPAN_CFGSTATECHG:local span session inactive;
for destination port 6/2
你現(xiàn)在可以核查你只剩一條話路了：
switch (enable) show span
Destination : Port 6/3
Admin Source : VLAN 3
Oper Source : Port 6/4-5,15/1
Direction : transmit/receive
Incoming Packets: disabled

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