[LARTC] ip route

[LARTC] ip route

[King Yung Tong]

A ------ hub ------- B ---------- D
 2       |          1  3        4
         |
C -------|
 5

1: 192.168.15.1
2: 192.168.15.2
5: 192.168.15.3
3: 192.168.20.1
4: 192.168.20.2

At D
route add 192.168.15.1 netmask 255.255.255.0 gw 192.168.20.1

Is the static route at D is correct?
If it is, is 192.168.15.1 at respond to boardcast to the 192.168.15.2 &
192.168.15.3?


Patrick

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[LARTC] ip route

[Rimas]

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Hi folks,

How with ip route permanently delete default route and add a new one?
I use RedHat 7.3.

Thank you in advance

Rimas

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[LARTC] IP ROUTE

[Matias Namiot]

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Hello, my linux show me that:


server2 root # ip route add default scope global nexthop via 192.168.5.1 dev eth2 weight 1 nexthop via 192.168.160.1 dev eth0 weight 1
RTNETLINK answers: Invalid argument


What can I do????
Thanks
Matias


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Re: [LARTC] IP ROUTE

[Julien]

Matias Namiot wrote:

> Hello, my linux show me that:
>  
>  
> /server2 root # ip route add default scope global nexthop via 
> 192.168.5.1 dev eth2 weight 1 nexthop via 192.168.160.1 dev eth0 weight 1
> RTNETLINK answers: Invalid argument
> /
> //  
> What can I do????
> Thanks
> Matias
>  
>
> ---
> Outgoing mail is certified Virus Free.
> Checked by AVG anti-virus system (http://www.grisoft.com).
> Version: 6.0.726 / Virus Database: 481 - Release Date: 22/07/2004


Hi,

you need to recompile your kernel with the following enabled :

CONFIG_IP_ADVANCED_ROUTER
CONFIG_IP_MULTIPLE_TABLES
CONFIG_IP_ROUTE_FWMARK (not sure it's needed here but let's enable it)

Julien

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Re: [LARTC] IP ROUTE

[Matias Namiot]

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Thanks
  ----- Original Message ----- 
  From: Julien 
  To: lartc@mailman.ds9a.nl 
  Sent: Monday, July 26, 2004 5:07 PM
  Subject: Re: [LARTC] IP ROUTE


  Matias Namiot wrote:

  > Hello, my linux show me that:
  >  
  >  
  > /server2 root # ip route add default scope global nexthop via 
  > 192.168.5.1 dev eth2 weight 1 nexthop via 192.168.160.1 dev eth0 weight 1
  > RTNETLINK answers: Invalid argument
  > /
  > //  
  > What can I do????
  > Thanks
  > Matias
  >  
  >
  > ---
  > Outgoing mail is certified Virus Free.
  > Checked by AVG anti-virus system (http://www.grisoft.com).
  > Version: 6.0.726 / Virus Database: 481 - Release Date: 22/07/2004


  Hi,

  you need to recompile your kernel with the following enabled :

  CONFIG_IP_ADVANCED_ROUTER
  CONFIG_IP_MULTIPLE_TABLES
  CONFIG_IP_ROUTE_FWMARK (not sure it's needed here but let's enable it)

  Julien

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Re: [LARTC] IP ROUTE

[Matias Namiot]

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The problem was the module CONFIG_IP_ROUTE_MULTIPATH of the kernel
Thanks for all, now I fight with what is de module of tc filter because I can't do that:

server2 linux # tc filter add dev eth0 parent 1:0 protocol ip prio 2 handle 2 fw classid 1:11
RTNETLINK answers: Invalid argument
server2 linux #




  ----- Original Message ----- 
  From: Matias Namiot 
  To: lartc@mailman.ds9a.nl 
  Sent: Monday, July 26, 2004 3:47 PM
  Subject: [LARTC] IP ROUTE


  Hello, my linux show me that:


  server2 root # ip route add default scope global nexthop via 192.168.5.1 dev eth2 weight 1 nexthop via 192.168.160.1 dev eth0 weight 1
  RTNETLINK answers: Invalid argument


  What can I do????
  Thanks
  Matias


  ---
  Outgoing mail is certified Virus Free.
  Checked by AVG anti-virus system (http://www.grisoft.com).
  Version: 6.0.726 / Virus Database: 481 - Release Date: 22/07/2004

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Re: [LARTC] IP ROUTE

[Matias Namiot]

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I need resolv this problem now, because I haven't any time, and my problem is:

server2 root # ip route add default scope global nexthop via 192.168.5.1 dev eth2 weight 1 nexthop via 192.168.160.1 dev eth0 weight 1
RTNETLINK answers: Invalid argument


I want make this is my configuration:

# Configuración TC para Bariloche Wireless
# Salida a internet eth1
# Subida 128k y bajada 128k

# Valores:
# mbps = 1024 kbps = 1024 * 1024 bps => byte/s
# mbit = 1024 kbit => kilobit/s.
# mb = 1024 kb = 1024 * 1024 b => byte
# mbit = 1024 kbit => kilobit.
# Internamente, los números se almacenan en bps, pero cuando tc imprime las tasas, usa lo siguiente:
# 1Mbit = 1024 Kbit = 1024 * 1024 bps => byte/s

##### Limpiamos reglas anteriores
tc qdisc del dev eth1 root    2> /dev/null > /dev/null
tc qdisc del dev eth1 ingress 2> /dev/null > /dev/null

##### Definimos las qdisc

# Definimos tasa superior y dispositivo de internet
CEIL=128
DEV_INT=eth1

# Esta línea se encargará de enviar por defecto a la clase 1:15
tc qdisc add dev eth1 root handle 1: htb default 15

# Qdisc padre
tc class add dev eth1 parent 1: classid 1:1 htb rate ${CEIL}kbit ceil ${CEIL}kbit

# Esta línea se encargará de enviar paquetes de baja latencia (telnet, ssh, SYN, etc) como interactivas
tc class add dev eth1 parent 1:1 classid 1:10 htb rate 80kbit ceil 80kbit prio 0

# Esta línea se encargará de tráfico masivo WEB
tc class add dev eth1 parent 1:1 classid 1:11 htb rate 80kbit ceil ${CEIL}kbit prio 1

# Esta línea se encargará de tráfico TOS de maximizar transferencia y el tráfico local
#tc class add dev eth1 parent 1:1 classid 1:12 htb rate 20kbit ceil ${CEIL}kbit prio 2

# Esta línea se encargará de las máquinas con NAT
tc class add dev eth1 parent 1:1 classid 1:13 htb rate 80kbit ceil ${CEIL}kbit prio 2

# Esta línea se encargará del correo SMTP y POP3 con un TOS de minimizar costo.
tc class add dev eth1 parent 1:1 classid 1:14 htb rate 20kbit ceil ${CEIL}kbit prio 3

# Esta línea se encargará de tráfico masivo de las máquinas con NAT con Kazaa, e-Donkey, etc
tc class add dev eth1 parent 1:1 classid 1:15 htb rate 10kbit ceil ${CEIL}kbit prio 3

# Aplicamos SFQ para el tráfico pesado con hash cada 10 segundos
#tc qdisc add dev eth1 parent 1:12 handle 120: sfq perturb 10
tc qdisc add dev eth1 parent 1:13 handle 130: sfq perturb 10
tc qdisc add dev eth1 parent 1:14 handle 140: sfq perturb 10
tc qdisc add dev eth1 parent 1:15 handle 150: sfq perturb 10

##### Clasificación de paquetes con iptables
# Se prefiere por los paquetes porque son muy flexibles y puedes hacer conteo de paquetes por cada regla, y con el objetivo 
# RETURN los paquetes no necesitan pasar por todas las reglas. Los paquetes con FWMARK (handle x fw) van en la clase indicada 

tc filter add dev eth0 parent 1:0 protocol ip prio 1 handle 1 fw classid 1:10
tc filter add dev eth0 parent 1:0 protocol ip prio 2 handle 2 fw classid 1:11
#tc filter add dev eth0 parent 1:0 protocol ip prio 3 handle 3 fw classid 1:12
tc filter add dev eth0 parent 1:0 protocol ip prio 4 handle 4 fw classid 1:13
tc filter add dev eth0 parent 1:0 protocol ip prio 5 handle 5 fw classid 1:14
tc filter add dev eth0 parent 1:0 protocol ip prio 6 handle 6 fw classid 1:15

##### Acá hay que hacer NAT con iptables.

##### Marcando paquetes
# No olvidarse el -j RETURN de manera que los paquetes no atraviesen todas las reglas

##### Para clase 10

# Marcando iptables para paquetes ICMP
iptables -t mangle -A PREROUTING -p icmp -j MARK --set-mark 0x1
iptables -t mangle -A PREROUTING -p icmp -j RETURN
iptables -t mangle -A OUTPUT -p icmp -j MARK --set-mark 0x1
iptables -t mangle -A OUTPUT -p icmp -j RETURN

# Marcando iptables para paquetes con TOS para Minimizar el tiempo
iptables -t mangle -A PREROUTING -m tos --tos Minimize-Delay -j MARK --set-mark 0x1
iptables -t mangle -A PREROUTING -m tos --tos Minimize-Delay -j RETURN
iptables -t mangle -A OUTPUT -m tos --tos Minimize-Delay -j MARK --set-mark 0x1
iptables -t mangle -A OUTPUT -m tos --tos Minimize-Delay -j RETURN

# Marcando iptables para paquetes SSH
iptables -t mangle -A PREROUTING -p tcp -m tcp --sport 22 -j MARK --set-mark 0x1
iptables -t mangle -A PREROUTING -p tcp -m tcp --sport 22 -j RETURN
iptables -t mangle -A OUTPUT -p tcp -m tcp --sport 22 -j MARK --set-mark 0x1
iptables -t mangle -A OUTPUT -p tcp -m tcp --sport 22 -j RETURN
   
# Marcando iptables para paquetes de sincronismo
iptables -t mangle -I PREROUTING -p tcp -m tcp --tcp-flags SYN,RST,ACK SYN -j MARK --set-mark 0x1
iptables -t mangle -I PREROUTING -p tcp -m tcp --tcp-flags SYN,RST,ACK SYN -j RETURN
iptables -t mangle -I OUTPUT -p tcp -m tcp --tcp-flags SYN,RST,ACK SYN -j MARK --set-mark 0x1
iptables -t mangle -I OUTPUT -p tcp -m tcp --tcp-flags SYN,RST,ACK SYN -j RETURN

##### Para clase 11
iptables -t mangle -A PREROUTING -p tcp -m tcp --sport 80 -j MARK --set-mark 0x2
iptables -t mangle -A PREROUTING -p tcp -m tcp --sport 80 -j RETURN
iptables -t mangle -A OUTPUT -p tcp -m tcp --sport 80 -j MARK --set-mark 0x2
iptables -t mangle -A OUTPUT -p tcp -m tcp --sport 80 -j RETURN

##### Para clase 13
# Marcando iptables para paquetes FTP y FTP-DATA
iptables -t mangle -A PREROUTING -p tcp -m tcp --sport 21 -j MARK --set-mark 0x4
iptables -t mangle -A PREROUTING -p tcp -m tcp --sport 21 -j RETURN
iptables -t mangle -A OUTPUT -p tcp -m tcp --sport 21 -j MARK --set-mark 0x4
iptables -t mangle -A OUTPUT -p tcp -m tcp --sport 21 -j RETURN
iptables -t mangle -A PREROUTING -p tcp -m tcp --sport 20 -j MARK --set-mark 0x4
iptables -t mangle -A PREROUTING -p tcp -m tcp --sport 20 -j RETURN
iptables -t mangle -A OUTPUT -p tcp -m tcp --sport 20 -j MARK --set-mark 0x4
iptables -t mangle -A OUTPUT -p tcp -m tcp --sport 20 -j RETURN

##### Para clase 14
# Marcando iptables para paquetes con TOS para Minimizar el costo
iptables -t mangle -A PREROUTING -m tos --tos Minimize-Cost -j MARK --set-mark 0x5
iptables -t mangle -A PREROUTING -m tos --tos Minimize-Cost -j RETURN
iptables -t mangle -A OUTPUT -m tos --tos Minimize-Cost -j MARK --set-mark 0x5
iptables -t mangle -A OUTPUT -m tos --tos Minimize-Cost -j RETURN

# Marcando iptables para paquetes SMTP
iptables -t mangle -A PREROUTING -p tcp -m tcp --sport 25 -j MARK --set-mark 0x5
iptables -t mangle -A PREROUTING -p tcp -m tcp --sport 25 -j RETURN
iptables -t mangle -A OUTPUT -p tcp -m tcp --sport 25 -j MARK --set-mark 0x5
iptables -t mangle -A OUTPUT -p tcp -m tcp --sport 25 -j RETURN

# Marcando iptables para paquetes POP3
iptables -t mangle -A PREROUTING -p tcp -m tcp --sport 110 -j MARK --set-mark 0x5
iptables -t mangle -A PREROUTING -p tcp -m tcp --sport 110 -j RETURN
iptables -t mangle -A OUTPUT -p tcp -m tcp --sport 110 -j MARK --set-mark 0x5
iptables -t mangle -A OUTPUT -p tcp -m tcp --sport 110 -j RETURN

##### Para clase 15
# Marcando iptables para paquetes con TOS para Maximizar transferencias
iptables -t mangle -A PREROUTING -m tos --tos Maximize-Throughput -j MARK --set-mark 0x6
iptables -t mangle -A PREROUTING -m tos --tos Maximize-Throughput -j RETURN
iptables -t mangle -A OUTPUT -m tos --tos Maximize-Throughput -j MARK --set-mark 0x6
iptables -t mangle -A OUTPUT -m tos --tos Maximize-Throughput -j RETURN

# Marcando iptables para paquetes por defecto (es redundante)
iptables -t mangle -A PREROUTING -j MARK --set-mark 0x6
iptables -t mangle -A OUTPUT -j MARK --set-mark 0x6

My kernel config is:

CONFIG_X86=y
CONFIG_UID16=y
CONFIG_EXPERIMENTAL=y
CONFIG_MODULES=y
CONFIG_MODVERSIONS=y
CONFIG_KMOD=y
CONFIG_MXP31=y
CONFIG_X86_WP_WORKS_OK=y
CONFIG_X86_INVLPG=y
CONFIG_X86_CMPXCHG=y
CONFIG_X86_XADD=y
CONFIG_X86_BSWAP=y
CONFIG_X86_POPAD_OK=y
CONFIG_RWSEM_XCHGADD_ALGORITHM=y
CONFIG_X86_L1_CACHE_SHIFT=6
CONFIG_X86_HAS_TSC=y
CONFIG_X86_GOOD_APIC=y
CONFIG_X86_USE_3DNOW=y
CONFIG_X86_PGE=y
CONFIG_X86_USE_PPRO_CHECKSUM=y
CONFIG_X86_MCE=y
CONFIG_NOHIGHMEM=y
CONFIG_1GB=y
CONFIG_PREEMPT=y
CONFIG_X86_TSC=y
CONFIG_HAVE_DEC_LOCK=y
CONFIG_NET=y
CONFIG_PCI=y
CONFIG_PCI_GOANY=y
CONFIG_PCI_BIOS=y
CONFIG_PCI_DIRECT=y
CONFIG_PCI_NAMES=y
CONFIG_HOTPLUG=y
CONFIG_SYSVIPC=y
CONFIG_SYSCTL=y
CONFIG_KCORE_ELF=y
CONFIG_BINFMT_AOUT=y
CONFIG_BINFMT_ELF=y
CONFIG_BINFMT_MISC=y
CONFIG_PACKET=y
CONFIG_PACKET_MMAP=y
CONFIG_NETLINK_DEV=y
CONFIG_NETFILTER=y
CONFIG_NETFILTER_DEBUG=y
CONFIG_FILTER=y
CONFIG_UNIX=y
CONFIG_INET=y
CONFIG_IP_MULTICAST=y
CONFIG_IP_ADVANCED_ROUTER=y
CONFIG_IP_MULTIPLE_TABLES=y
CONFIG_IP_ROUTE_FWMARK=y
CONFIG_IP_ROUTE_NAT=y
CONFIG_IP_ROUTE_MULTIPATH=y
CONFIG_IP_ROUTE_TOS=y
CONFIG_IP_ROUTE_VERBOSE=y
CONFIG_NET_IPIP=y
CONFIG_IP_MROUTE=y
CONFIG_IP_PIMSM_V1=y
CONFIG_IP_PIMSM_V2=y
CONFIG_INET_ECN=y
CONFIG_IP_NF_CONNTRACK=y
CONFIG_IP_NF_FTP=y
CONFIG_IP_NF_QUEUE=y
CONFIG_IP_NF_IPTABLES=y
CONFIG_IP_NF_MATCH_LIMIT=y
CONFIG_IP_NF_MATCH_MAC=y
CONFIG_IP_NF_MATCH_PKTTYPE=y
CONFIG_IP_NF_MATCH_MARK=y
CONFIG_IP_NF_MATCH_MULTIPORT=y
CONFIG_IP_NF_MATCH_TOS=y
CONFIG_IP_NF_MATCH_RECENT=y
CONFIG_IP_NF_MATCH_LENGTH=y
CONFIG_IP_NF_MATCH_TTL=y
CONFIG_IP_NF_MATCH_TCPMSS=y
CONFIG_IP_NF_MATCH_STEALTH=y
CONFIG_IP_NF_MATCH_HELPER=y
CONFIG_IP_NF_MATCH_STATE=y
CONFIG_IP_NF_MATCH_CONNTRACK=y
CONFIG_IP_NF_FILTER=y
CONFIG_IP_NF_TARGET_REJECT=y
CONFIG_IP_NF_TARGET_MIRROR=y
CONFIG_IP_NF_NAT=y
CONFIG_IP_NF_NAT_NEEDED=y
CONFIG_IP_NF_TARGET_MASQUERADE=y
CONFIG_IP_NF_TARGET_REDIRECT=y
CONFIG_IP_NF_NAT_FTP=y
CONFIG_IP_NF_MANGLE=y
CONFIG_IP_NF_TARGET_TOS=y
CONFIG_IP_NF_TARGET_MARK=y
CONFIG_IP_NF_TARGET_LOG=y
CONFIG_IP_NF_TARGET_TCPMSS=y
CONFIG_IP_NF_ARPTABLES=y
CONFIG_IP_NF_ARPFILTER=y
CONFIG_NET_DIVERT=y
CONFIG_NET_FASTROUTE=y
CONFIG_NET_SCHED=y
CONFIG_NET_SCH_CBQ=y
CONFIG_NET_SCH_HTB=y
CONFIG_NET_SCH_CSZ=y
CONFIG_NET_SCH_HFSC=y
CONFIG_NET_SCH_PRIO=y
CONFIG_NET_SCH_RED=y
CONFIG_NET_SCH_SFQ=y
CONFIG_NET_SCH_TEQL=y
CONFIG_NET_SCH_TBF=y
CONFIG_NET_SCH_GRED=y
CONFIG_NET_SCH_DELAY=y
CONFIG_NET_SCH_DSMARK=y
CONFIG_NET_SCH_INGRESS=y
CONFIG_NET_QOS=y
CONFIG_NET_ESTIMATOR=y
CONFIG_NET_CLS=y
CONFIG_NET_CLS_TCINDEX=y
CONFIG_NET_CLS_ROUTE4=y
CONFIG_NET_CLS_ROUTE=y
CONFIG_NET_CLS_FW=y
CONFIG_NET_CLS_U32=y
CONFIG_NET_CLS_RSVP=y
CONFIG_NET_CLS_POLICE=y
CONFIG_IDE=y
CONFIG_BLK_DEV_IDE=y
CONFIG_BLK_DEV_IDEDISK=y
CONFIG_IDEDISK_MULTI_MODE=y
CONFIG_BLK_DEV_IDECD=y
CONFIG_BLK_DEV_CMD640=y
CONFIG_BLK_DEV_IDEPCI=y
CONFIG_BLK_DEV_GENERIC=y
CONFIG_IDEPCI_SHARE_IRQ=y
CONFIG_BLK_DEV_IDEDMA_PCI=y
CONFIG_IDEDMA_PCI_AUTO=y
CONFIG_BLK_DEV_IDEDMA=y
CONFIG_BLK_DEV_PIIX=y
CONFIG_IDEDMA_AUTO=y
CONFIG_NETDEVICES=y
CONFIG_DUMMY=m
CONFIG_NET_ETHERNET=y
CONFIG_NET_VENDOR_3COM=y
CONFIG_VORTEX=y
CONFIG_R8169=y
CONFIG_PPP=y
CONFIG_PPP_MULTILINK=y
CONFIG_PPP_ASYNC=y
CONFIG_PPP_SYNC_TTY=y
CONFIG_PPPOE=y
CONFIG_NET_RADIO=y
CONFIG_HERMES=y
CONFIG_PLX_HERMES=y
CONFIG_TMD_HERMES=y
CONFIG_PCI_HERMES=y
CONFIG_NET_WIRELESS=y
CONFIG_VT=y
CONFIG_VT_CONSOLE=y
CONFIG_SERIAL=y
CONFIG_UNIX98_PTYS=y
CONFIG_UNIX98_PTY_COUNT=256
CONFIG_AGP=y
CONFIG_AGP_NVIDIA=y
CONFIG_AUTOFS4_FS=y
CONFIG_REISERFS_FS=y
CONFIG_REISERFS_CHECK=y
CONFIG_REISERFS_PROC_INFO=y
CONFIG_EXT3_FS=y
CONFIG_JBD=y
CONFIG_JBD_DEBUG=y
CONFIG_TMPFS=y
CONFIG_RAMFS=y
CONFIG_ISO9660_FS=y
CONFIG_JOLIET=y
CONFIG_PROC_FS=y
CONFIG_DEVFS_FS=y
CONFIG_DEVFS_MOUNT=y
CONFIG_MSDOS_PARTITION=y
CONFIG_NLS=y
CONFIG_NLS_DEFAULT="iso8859-1"
CONFIG_VGA_CONSOLE=y
CONFIG_VIDEO_SELECT=y
CONFIG_FB=y
CONFIG_DUMMY_CONSOLE=y
CONFIG_FB_LOGO_TUX=y
CONFIG_FB_VESA=y
CONFIG_VIDEO_SELECT=y
CONFIG_FBCON_CFB8=y
CONFIG_FBCON_CFB16=y
CONFIG_FBCON_CFB24=y
CONFIG_FBCON_CFB32=y
CONFIG_FONT_8x8=y
CONFIG_FONT_8x16=y
CONFIG_LOG_BUF_SHIFT=0
CONFIG_CRC32=y

  ----- Original Message ----- 
  From: mjoachimiak@poczta.onet.pl 
  To: Matias Namiot 
  Sent: Wednesday, July 28, 2004 10:21 AM
  Subject: Re: [LARTC] IP ROUTE


  Please send earlier commands you are doing before that tc filter add....
    --- Original Message ----- 
    From: Matias Namiot 
    To: lartc@mailman.ds9a.nl 
    Sent: Tuesday, July 27, 2004 4:01 PM
    Subject: Re: [LARTC] IP ROUTE


    The problem was the module CONFIG_IP_ROUTE_MULTIPATH of the kernel
    Thanks for all, now I fight with what is de module of tc filter because I can't do that:

    server2 linux # tc filter add dev eth0 parent 1:0 protocol ip prio 2 handle 2 fw classid 1:11
    RTNETLINK answers: Invalid argument
    server2 linux #




      ----- Original Message ----- 
      From: Matias Namiot 
      To: lartc@mailman.ds9a.nl 
      Sent: Monday, July 26, 2004 3:47 PM
      Subject: [LARTC] IP ROUTE


      Hello, my linux show me that:


      server2 root # ip route add default scope global nexthop via 192.168.5.1 dev eth2 weight 1 nexthop via 192.168.160.1 dev eth0 weight 1
      RTNETLINK answers: Invalid argument


      What can I do????
      Thanks
      Matias


      ---
      Outgoing mail is certified Virus Free.
      Checked by AVG anti-virus system (http://www.grisoft.com).
      Version: 6.0.726 / Virus Database: 481 - Release Date: 22/07/2004

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Re: [LARTC] IP ROUTE

[Matias Namiot]

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Thanks, the problem was the kernel with CONFIG_IP_ROUTE_MULTIPATH
  ----- Original Message ----- 
  From: Matias Namiot 
  To: lartc@mailman.ds9a.nl 
  Sent: Monday, July 26, 2004 3:47 PM
  Subject: [LARTC] IP ROUTE


  Hello, my linux show me that:


  server2 root # ip route add default scope global nexthop via 192.168.5.1 dev eth2 weight 1 nexthop via 192.168.160.1 dev eth0 weight 1
  RTNETLINK answers: Invalid argument


  What can I do????
  Thanks
  Matias


  ---
  Outgoing mail is certified Virus Free.
  Checked by AVG anti-virus system (http://www.grisoft.com).
  Version: 6.0.726 / Virus Database: 481 - Release Date: 22/07/2004

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