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Opened 2 years ago

#21451 new defect

Router response decline when time pass on trunk and latest CC build.

Reported by: anonymous Owned by: developers
Priority: normal Milestone: Bugs Paradise
Component: kernel Version: Chaos Calmer 15.05
Keywords: wireless, Chaos Calmer, trunk, ping Cc:

Description

The router is A5-V11 which is ramips/RT5350 platform with trunk(r47830 - the last version that ethernet works for A5-V11) and latest CC(r47992). There is no problem for CC stable release (r46767).

My network connect like below diagram.

Internet gateway router
     ||
     ||-LAN cable
     ||
Router (A5-V11- WDS client)
      |
      |
      |->wds wireless link
      |
      |
Access Point (access point)
     ||
     ||->LAN cable
     ||
PC client (LAN client)

Links between PC - Access point - A5-V11 router has no NAT.

The problem is when install CC latest version (r47992) and trunk(r47830), ping from PC to A5-V11 router start fine but ping will be bad after pass a few minute. SSH will hard to connect and bad response.

Ping is look like this.

Reply from 192.168.2.253: bytes=32 time=3ms TTL=64
Request timed out.
Request timed out.
Request timed out.
Request timed out.
Request timed out.
Request timed out.
Request timed out.
Request timed out.
Reply from 192.168.2.253: bytes=32 time=6ms TTL=64
Request timed out.
Request timed out.
Request timed out.
Request timed out.
Request timed out.
Request timed out.
Request timed out.
Request timed out.
Reply from 192.168.2.253: bytes=32 time=3ms TTL=64
Request timed out.
Request timed out.
Request timed out.
Request timed out.
Request timed out.
Request timed out.
Request timed out.
Request timed out.
Reply from 192.168.2.253: bytes=32 time=6ms TTL=64
Request timed out.
Request timed out.
Request timed out.
Request timed out.
Request timed out.
Request timed out.
Request timed out.
Request timed out.
Reply from 192.168.2.253: bytes=32 time=3ms TTL=64
Request timed out.
....

However, when connect PC to A5-V11 by LAN cable, ping is fine. So the problem should be related with wireless.

It is weird that when A5-V11 router is bad response but PC can ping to gateway router, google or external ip addresses fine. Internet still usable.

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