Jon Reynolds wrote:
Hello,
I have installed xen-3.2.0 and I cannot ping anything other than the
dom0. And dom0 can ping domU but domU can't ping anything else. Did I
miss something in the switch to 3.2? I have read where xenbr0 is no
longer needed is there something special I need to add to my vif =
statement in the config file?
Thanks for any help,
Jon
Horrible post, let me add some information. When I try to ping from domU
to a host on my network and running tcpdump, I see the request and
replies. But I never see them on domU and when I ctrl+c the ping it
reports 100% packet loss. Here is a sample of what I am seeing:
Ping from DomU to laptop on same subnet:
TCPDUMP on dom0:
tcpdump -i eth0 not port ssh
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
listening on eth0, link-type EN10MB (Ethernet), capture size 96 bytes
22:22:01.700884 arp who-has jr-laptop.destar.net tell 192.168.9.52
22:22:01.704598 arp reply jr-laptop.destar.net is-at 00:10:a4:8e:97:ec
(oui Unknown)
22:22:01.704726 IP 192.168.9.52 > jr-laptop.destar.net: ICMP echo
request, id 61193, seq 0, length 64
22:22:01.700909 IP jr-laptop.destar.net > 192.168.9.52: ICMP echo reply,
id 61193, seq 0, length 64
TCPDUMP on laptop:
tcpdump host 192.168.9.52
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
listening on eth0, link-type EN10MB (Ethernet), capture size 96 bytes
22:21:10.434495 arp who-has nevaehlt.destar.net tell 192.168.9.52
22:21:10.436531 arp reply nevaehlt.destar.net is-at 00:10:a4:8e:97:ec
(oui Unkno wn)
22:21:10.434743 IP 192.168.9.52 > nevaehlt.destar.net: ICMP echo
request, id 611 93, seq 0, length 64
22:21:10.434882 IP nevaehlt.destar.net > 192.168.9.52: ICMP echo reply,
id 61193 , seq 0, length 64
22:21:11.428076 IP 192.168.9.52 > nevaehlt.destar.net: ICMP echo
request, id 611 93, seq 256, length 64
22:21:11.428220 IP nevaehlt.destar.net > 192.168.9.52: ICMP echo reply,
id 61193 , seq 256, length 64
PING REPORT on DomU:
ping 192.168.9.34
PING 192.168.9.34 (192.168.9.34): 56 data bytes
--- 192.168.9.34 ping statistics ---
6 packets transmitted, 0 packets received, 100% packet loss
Dom0:
IFCONFIG:
eth0 Link encap:Ethernet HWaddr 00:01:02:2C:05:99
inet addr:192.168.9.51 Bcast:0.0.0.0 Mask:255.255.255.0
inet6 addr: fe80::201:2ff:fe2c:599/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:3452 errors:0 dropped:0 overruns:0 frame:0
TX packets:1565 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:2097661 (2.0 Mb) TX bytes:168161 (164.2 Kb)
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)
peth0 Link encap:Ethernet HWaddr 00:01:02:2C:05:99
inet6 addr: fe80::201:2ff:fe2c:599/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:3484 errors:0 dropped:0 overruns:3 frame:0
TX packets:1632 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:2154608 (2.0 Mb) TX bytes:174195 (170.1 Kb)
Interrupt:5 Base address:0xe000
vif1.0 Link encap:Ethernet HWaddr FE:FF:FF:FF:FF:FF
inet6 addr: fe80::fcff:ffff:feff:ffff/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:55 errors:0 dropped:0 overruns:0 frame:0
TX packets:119 errors:0 dropped:6 overruns:0 carrier:0
collisions:0 txqueuelen:32
RX bytes:3914 (3.8 Kb) TX bytes:7908 (7.7 Kb)
BRCTL SHOW:
bridge name bridge id STP enabled interfaces
eth0 8000.0001022c0599 no peth0
vif1.0
ETHTOOL:
ethtool -k eth0
Offload parameters for eth0:
Cannot get device rx csum settings: Operation not supported
rx-checksumming: off
tx-checksumming: on
scatter-gather: off
tcp segmentation offload: off
ethtool -k peth0
Offload parameters for peth0:
Cannot get device rx csum settings: Operation not supported
Cannot get device tx csum settings: Operation not supported
Cannot get device scatter-gather settings: Operation not supported
Cannot get device tcp segmentation offload settings: Operation not
supported
no offload info available
LSMOD:
lsmod
Module Size Used by
xt_physdev 7312 1
bridge 61468 1 xt_physdev
ipv6 280608 14
xt_tcpudp 7680 1
xt_state 6400 1
iptable_mangle 7040 0
iptable_nat 12164 0
ip_nat 22700 1 iptable_nat
iptable_filter 7168 1
ip_conntrack_ftp 12656 0
ip_conntrack 59104 4
xt_state,iptable_nat,ip_nat,ip_conntrack_ftp
nfnetlink 11288 2 ip_nat,ip_conntrack
ip_tables 19028 3 iptable_mangle,iptable_nat,iptable_filter
x_tables 19076 5
xt_physdev,xt_tcpudp,xt_state,iptable_nat,ip_tables
dm_snapshot 22432 0
dm_mod 64664 18 dm_snapshot
ide_cd 45828 0
cdrom 45472 1 ide_cd
ide_disk 22144 3
parport_pc 44868 0
tsdev 12096 0
parport 41416 1 parport_pc
8250_pnp 13184 0
8250 31220 3 8250_pnp
serial_core 27392 1 8250
pcspkr 7296 0
uhci_hcd 29452 0
usbcore 138372 2 uhci_hcd
snd_intel8x0 37916 0
snd_ac97_codec 96288 1 snd_intel8x0
snd_ac97_bus 6528 1 snd_ac97_codec
snd_pcm 88708 2 snd_intel8x0,snd_ac97_codec
snd_timer 29828 1 snd_pcm
3c59x 50728 0
snd 58084 4
snd_intel8x0,snd_ac97_codec,snd_pcm,snd_timer
soundcore 14048 1 snd
mii 10112 1 3c59x
snd_page_alloc 14600 2 snd_intel8x0,snd_pcm
piix 14724 0 [permanent]
i2c_i801 11916 0
i2c_i810 9604 0
i8xx_tco 11544 0
shpchp 43168 0
pci_hotplug 36672 1 shpchp
i2c_algo_bit 13448 1 i2c_i810
i2c_core 25856 2 i2c_i801,i2c_algo_bit
intel_agp 27804 1
agpgart 40648 1 intel_agp
evdev 14464 0
sd_mod 25856 0
scsi_mod 143240 1 sd_mod
xfs 593496 6
LSPCI:
00:00.0 Host bridge: Intel Corporation 82815 815 Chipset Host Bridge and
Memory Controller Hub (rev 02)
00:02.0 VGA compatible controller: Intel Corporation 82815 CGC [Chipset
Graphics Controller] (rev 02)
00:1e.0 PCI bridge: Intel Corporation 82801AA PCI Bridge (rev 02)
00:1f.0 ISA bridge: Intel Corporation 82801AA ISA Bridge (LPC) (rev 02)
00:1f.1 IDE interface: Intel Corporation 82801AA IDE Controller (rev 02)
00:1f.2 USB Controller: Intel Corporation 82801AA USB Controller (rev 02)
00:1f.3 SMBus: Intel Corporation 82801AA SMBus Controller (rev 02)
00:1f.5 Multimedia audio controller: Intel Corporation 82801AA AC'97
Audio Controller (rev 02)
01:04.0 Ethernet controller: 3Com Corporation 3c905C-TX/TX-M [Tornado]
(rev 78)
DomU:
IFCONFIG:
eth0 Link encap:Ethernet HWaddr 00:16:3E:44:05:7A
inet addr:192.168.9.52 Bcast:192.168.9.255 Mask:255.255.255.0
inet6 addr: fe80::216:3eff:fe44:57a/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:120 errors:0 dropped:0 overruns:0 frame:0
TX packets:55 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:7968 (7.7 Kb) TX bytes:4684 (4.5 Kb)
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)
ETHTOOL:
ethtool -k eth0
Offload parameters for eth0:
Cannot get device rx csum settings: Operation not supported
rx-checksumming: off
tx-checksumming: on
scatter-gather: on
tcp segmentation offload: on
LSMOD:
Module Size Used by
bridge 61468 0
ipv6 280608 8
xt_tcpudp 7680 1
xt_state 6400 1
iptable_mangle 7040 0
iptable_nat 12164 0
ip_nat 22700 1 iptable_nat
iptable_filter 7168 1
ip_conntrack_ftp 12656 0
ip_conntrack 59104 4
xt_state,iptable_nat,ip_nat,ip_conntrack_ftp
nfnetlink 11288 2 ip_nat,ip_conntrack
ip_tables 19028 3 iptable_mangle,iptable_nat,iptable_filter
x_tables 19076 4 xt_tcpudp,xt_state,iptable_nat,ip_tables
dm_snapshot 22432 0
dm_mod 64664 1 dm_snapshot
sd_mod 25856 0
scsi_mod 143240 1 sd_mod
xfs 593496 1
CONFIG FILE for DomU:
# -*- mode: python; -*-
#==========================================================================
kernel = "/boot/vmlinuz-2.6.18.8-xen"
ramdisk = "/boot/initramfs-2.6.18.8-domU.cpio.gz"
memory = 128
name = "vns2"
vif = [ '' ]
disk = [ 'phy:rootvg/vns1,hda2,w','phy:rootvg/swapvns1,hda1,w' ]
root = "/dev/hda2 ro"
# Network
vif = [ 'mac=00:16:3e:44:05:7a, bridge=eth0' ]
uuid = "a693d152-641c-415d-95fa-a50e624cb01e"
dhcp="off"
ip="192.168.9.52"
netmask="255.255.255.0"
gateway="192.168.9.1"
hostname="vns2.destar.net"
extra = 'xencons=tty'
Any help is greatly appreciated,
Jon
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