# What's the reason of this?

**URL:** <https://community.a10networks.com/t/whats-the-reason-of-this/612>\
**Category:** ADC - Application Delivery\
**Created:** [June 20, 2020, 1:54am UTC](https://community.a10networks.com/t/whats-the-reason-of-this/612 "2020-06-20T01:54:21Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![huzhiqi](https://avatars.discourse-cdn.com/v4/letter/h/ccd318/32.png) [@huzhiqi](https://community.a10networks.com/u/huzhiqi)\
**Post date:** [June 20, 2020, 1:54am UTC](https://community.a10networks.com/t/whats-the-reason-of-this/612/1 "2020-06-20T01:54:21Z")

</div>

![WeChat Image_20200620094913.jpg](https://us1.discourse-cdn.com/flex002/uploads/a10_community/original/1X/e913947f2a61822f560bacae93879effc4cf4597.jpeg)

 ![WeChat Image_20200620095314.jpg](https://us1.discourse-cdn.com/flex002/uploads/a10_community/original/1X/f52656cd75865b4e18d7dbe5041ca4676b256e5f.jpeg)

 ![WeChat Image_20200620095319.jpg](https://us1.discourse-cdn.com/flex002/uploads/a10_community/original/1X/5f61add6300298d1124b22d9cadba484b6d66ad2.jpeg)  
It showing “port connection limit exceeded”,what’s the reason?

---

<div class="post-metadata">

**Author:** ![mdunn](https://avatars.discourse-cdn.com/v4/letter/m/87869e/32.png) [@mdunn](https://community.a10networks.com/u/mdunn)\
**Post date:** [June 22, 2020, 2:34pm UTC](https://community.a10networks.com/t/whats-the-reason-of-this/612/2 "2020-06-22T14:34:57Z")

</div>

This would suggest that you’re receiving exceptionally high connection rate to that virtual port, but 64,000,000 is quite a lot. What do you see in the output of this for connection rate?

```yaml
show slb virtual-server DNS-VIP2 53 detail

```