|routers with PC interface eth0 - ARP ok but not icmp
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|Author:||debseb [ Thu Sep 11, 2014 11:07 pm ]|
|Post subject:||routers with PC interface eth0 - ARP ok but not icmp|
I would want to connect my ethernet interface (eth0 on my debian linux) with gns3 router.
So i build that :
I also use wireshark on eth0.
the problem is i can't ping but the link seems to be good :
- if i ping from router to my PC interface (eth0) I have no answer but wireshark show me ARP Requests that comes from router.
- if i ping from my PC interface (eth0) to router I have no answer but wireshark show me ARP Requests(from my client) AND ARP reply(from the router) but the "ping" program seems to not see the ARP reply and emit again (and again...) ARP Requests
what's going wrong?
Some configuration(ask me if you want more) :
-router config :
Enter configuration commands, one per line. End with CNTL/Z.
R4(config-if)#ip address 192.168.1.98 255.255.255.0
*Sep 12 00:33:16.539: %LINK-3-UPDOWN: Interface FastEthernet0/0, changed state to up
*Sep 12 00:33:16.539: %ENTITY_ALARM-6-INFO: CLEAR INFO Fa0/0 Physical Port Administrative State Down
*Sep 12 00:33:17.539: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/0, changed state to up
-router ip :
R4#show ip interface brief
Interface IP-Address OK? Method Status Protocol
FastEthernet0/0 192.168.1.98 YES manual up up
-eth0 on linux :
[email protected]:/home/seb# ifconfig eth0
eth0 Link encap:Ethernet HWaddr 74:d0:2b:91:74:e6
inet adr:192.168.1.68 Bcast:192.168.1.255 Masque:255.255.255.0
adr inet6: 2001:41d0:fc22:5300:76d0:2bff:fe91:74e6/64 Scope:Global
adr inet6: fe80::76d0:2bff:fe91:74e6/64 Scope:Lien
adr inet6: 2001:41d0:fc22:5300:18c5:ca44:9c03:e0e9/64 Scope:Global
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:12492795 errors:0 dropped:0 overruns:0 frame:0
TX packets:39643466 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 lg file transmission:1000
RX bytes:6678299892 (6.2 GiB) TX bytes:54812492972 (51.0 GiB)
|Author:||debseb [ Sun Sep 14, 2014 1:11 pm ]|
|Post subject:||Re: routers with PC interface eth0 - ARP ok but not icmp|
I restarted my computer and get back to the beginning of the configuration and it works now. I don't know what I have done before but it was probably a bad configuration .
If an administrator wants, this discution can then be deleted. Sorry for that!
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