Switch S5300 hauwei not reposponde ICMP or time high

daniuyaofafa · Created Sep 9, 2015 09:54:16

so how about your problem,

for the traffic policy, for example

<HUAWEI> system-view
[HUAWEI] traffic policy p1
[HUAWEI-trafficpolicy-p1] classifier c1 behavior b1

<HUAWEI> system-view
[HUAWEI] interface gigabitethernet 0/0/1
[HUAWEI-GigabitEthernet0/0/1] undo traffic-policy p1 inbound
[HUAWEI-GigabitEthernet0/0/1] quit
[HUAWEI] undo traffic policy p1

if you still do not know, you can search this command in the product document.

debugger · Created Aug 31, 2015 04:45:50

you can make a traffic statistic on both inbound and outbout to check where the packtets are discarded.

domenicala · Created Apr 23, 2020 21:30:46

thank you!

Unicef · Created Apr 24, 2020 00:59:50

After receiving an ICMP Request packet, a switch does not send it to the ICMP protocol stack but directly returns an ICMP Reply message. This process is called fast ICMPM reply. Switches cannot accurately calculate the delay or jitter of ping packets that require high real-time performance. The protocol stack adds the sending and receiving timestamps to ping packets. The packets need to enqueue frequently between the protocol stack and hardware. This task switching cannot ensure real-time performance of timestamps.

In versions earlier than V100R006, fast ICMP reply is a common task. When a switch processes a large volume of service traffic, the reply delay is long due to task switching. In V100R006 and later versions, fast ICMP reply is a super task with a high priority. In most cases, the reply delay is about 1 ms. The actual delay depends on the CPU usage and is shorter than 100 ms.

By default, box switches have fast ICMP reply enabled in all versions.

https://support.huawei.com/huaweiconnect/carrier/en/thread-82587-1-1.html

Switch S5300 hauwei not reposponde ICMP or time high

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