CCIE Lab分解实验练习(Plannet_Practice_Labs)_.Vol_2(7)

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ach command. DLSW will tell all routers that it peers up with that it can or cannot reach certain things during the capabilities exchange portion of the peering. We are going to specify that CK6 does not have the NetBIOS SAP so that none of the other routers will look to CK6 for any NetBIOS names. We specify only the sending SAP in the icannotreach statement.
CK6:
dlsw icannotreach sap F0
6.0 CAR STEP 1 (4 points)
1. Apply queuing inbound on CK13's ATM 2/0 interface such that: a. Any DNS traffic that conforms to 1 Mbps with a normal burst of 1.5 Mbps and a maximum burst of 3 Mbps should have its precedence set to "flash-override". If the traffic exceeds these settings, it should have its precedence set to "routine". b. Any Telnet traffic that conforms to 800000 bps with a normal burst of 1.2 Mbps and a
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maximum burst of 1.6 Mbps should have its precedence set to "critical". If the traffic exceeds these settings, it should have its precedence set to "priority".
c.
All other traffic should pass untouched.
Here, we are going to set the precedence values on the traffic coming in on the ATM 2/0 interface. We are going to use CAR to adjust the precedence of the inbound traffic types. We don't want to affect all inbound traffic, only DNS and Telnet. We are going to create access lists to specify those types of traffic. We are then going to set the precedence to a specific value if the traffic conforms to the bandwidth limitations, and another, lower precedence if the traffic does not conform to the bandwidth limitations. All of the precedence values are given, with their names. To enter the precedence values into the rate-limit command, we need to know their numerical values. An easy way to do this is to type in an extended access list as follows: (Don't finish it though, just use it to get the precedence values.)
CK13(config)#access-list 100 permit ip any any precedence ? <0-7>
critical flash Precedence value Match packets with critical precedence (5) Match packets with flash precedence (3)
flash-override Match packets with flash override precedence (4)
immediate internet network priority routine Match packets with immediate precedence (2) Match packets with internetwork control precedence (6) Match packets with network control precedence (7) Match packets with priority precedence (1) Match packets with routine precedence (0)
The first value in the rate-limit command, the average, is in bits per second, while the normal burst and the maximum burst are in bytes per second. All of the values given to you are in bits per second so you are going to have to convert them for the burst values.
CK13:
interface ATM2/0
rate-limit input access-group
190 1000000 187500 375000 conform-action set-prec-transmit 4 exceed-action set-prec-transmit 0
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