VirtualBox

Opened 7 years ago

Last modified 7 years ago

#16383 new defect

cannot ping but can ssh and http

Reported by: JacksonZheng Owned by:
Component: network/NAT Version: VirtualBox 5.1.12
Keywords: ping Cc:
Guest type: Linux Host type: Windows

Description (last modified by Valery Ushakov)

Host: Windows 10 Guest: Centos 5 Network: NAT

Why: cannot ping in guest, but can http or ssh.

Debug:

  1. Use tcpdump in guest and host, will see icmp request is sent to host and host resent this packet to the target, but after got icmp reply, host will try to resent reply to 10.96.1.19, then return "unreachable network"
  2. Try to capture virtual machine packet by(there is only lo0 and eth0 interface in my guest):
    VBoxManage.exe modifyvm "redhat32" --nictrace1 on --nictracefile1 c:\Users\xxxx\netlog.pcap
    
    But nothing is logged.

Attachments (8)

VBox.log.1 (97.4 KB ) - added by JacksonZheng 7 years ago.
VBox.log (78.7 KB ) - added by JacksonZheng 7 years ago.
this is ping ok case
redhat32.vbox (4.3 KB ) - added by JacksonZheng 7 years ago.
this issue seems gone, don't know why?
redhat32.vbox-prev (4.3 KB ) - added by JacksonZheng 7 years ago.
VBox.log.2 (110.5 KB ) - added by JacksonZheng 7 years ago.
VBox.log.3 (34.8 KB ) - added by JacksonZheng 7 years ago.
VBoxHardening.log (358.5 KB ) - added by JacksonZheng 7 years ago.
netlog.pcap (44 bytes ) - added by JacksonZheng 7 years ago.
nothing is logged, but the file is created.

Download all attachments as: .zip

Change History (13)

comment:1 by Valery Ushakov, 7 years ago

Description: modified (diff)

comment:2 by Valery Ushakov, 7 years ago

Description: modified (diff)

comment:3 by Valery Ushakov, 7 years ago

Please, provide the VM's .vbox file and VBox.log from the run that exhibits the problem.

Please, provide the actual packet captures from the host and the guest.

When you enable nictrace, is the capture file not created at all or is it created but empty?

by JacksonZheng, 7 years ago

Attachment: VBox.log.1 added

by JacksonZheng, 7 years ago

Attachment: VBox.log added

this is ping ok case

by JacksonZheng, 7 years ago

Attachment: redhat32.vbox added

this issue seems gone, don't know why?

by JacksonZheng, 7 years ago

Attachment: redhat32.vbox-prev added

by JacksonZheng, 7 years ago

Attachment: VBox.log.2 added

by JacksonZheng, 7 years ago

Attachment: VBox.log.3 added

by JacksonZheng, 7 years ago

Attachment: VBoxHardening.log added

by JacksonZheng, 7 years ago

Attachment: netlog.pcap added

nothing is logged, but the file is created.

comment:4 by JacksonZheng, 7 years ago

This issue didnot exist today.see (vbox.log). And I forget to save wireshark capture file.

comment:5 by JacksonZheng, 7 years ago

Seems some different in vbox.log.1

00:00:05.612296 NAT: Zone(nm:mbuf_cluster, used:0) 00:00:05.613067 NAT: Zone(nm:mbuf_packet, used:0) 00:00:05.613087 NAT: Zone(nm:mbuf, used:0) 00:00:05.613266 NAT: Zone(nm:mbuf_jumbo_pagesize, used:0) 00:00:05.614023 NAT: Zone(nm:mbuf_jumbo_9k, used:0) 00:00:05.614425 NAT: Zone(nm:mbuf_jumbo_16k, used:0) 00:00:05.614656 NAT: Zone(nm:mbuf_ext_refcnt, used:0)

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