Bug 77802 - pump does not use source address
pump does not use source address
Status: CLOSED DUPLICATE of bug 23052
Product: Red Hat Linux
Classification: Retired
Component: pump (Show other bugs)
i386 Linux
medium Severity medium
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Assigned To: Eido Inoue
Depends On:
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Reported: 2002-11-13 15:50 EST by Mika Länsirinne
Modified: 2008-05-01 11:38 EDT (History)
0 users

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Fixed In Version:
Doc Type: Bug Fix
Doc Text:
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Clone Of:
Last Closed: 2002-11-13 15:50:42 EST
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Description Mika Länsirinne 2002-11-13 15:50:36 EST
From Bugzilla Helper: 
User-Agent: Mozilla/5.0 (compatible; Konqueror/3.0.0-10) 
Description of problem: 
Machine has two network interfaces: eth0 for static local address and eth1 for ISP's 
DHCP'ed address. When eth0 is up before eth1 (as it always is), pump sends DHCP 
request to eth1, seemingly coming from an address of eth0, not which it 
should. Now after some upgrade (?) on the ISP's side the server either refuces to 
answer these packets or replies are getting lost somewhere (routed to some other ??). ISP confirmed that requests were getting to the server. (It used to 
Version-Release number of selected component (if applicable): 
How reproducible: 
Steps to Reproduce: 
1. Have two network adapters 
2. Bring eth0 up with static address 
3. Try to get eth1 up with pump 
Actual Results:  Tcpdump outputs the folloing: >  xid:0xac42c044 [|bootp] (DF) >  xid:0xac42c044 secs:768 [|bootp] 
(DF) >  xid:0xac42c044 secs:2048 [|bootp] 
(DF) >  xid:0xac42c044 secs:4352 [|bootp] 
Expected Results:  From tcpdump: >  xid:0x6243c044 [|bootp] (DF) >  hops:1 xid:0x6243c044 
Y: S: G: ether 0:0:c0:bb:6c:50 [|bootp] >  xid:0x6343c044 secs:256 [|bootp] (DF) >  hops:1 xid:0x6343c044 secs:256 
Y: S: G: ether 0:0:c0:bb:6c:50 [|bootp] >  xid:0x6443c044 secs:256 [|bootp] (DF) >  hops:1 xid:0x6443c044 secs:256 
Y: S: G: ether 0:0:c0:bb:6c:50 [|bootp] 
Additional info: 
From rfc2131, section 4.1: 
"DHCP messages broadcast by a client prior to that client obtaining 
   its IP address must have the source address field in the IP header 
   set to 0."
Comment 1 Mika Länsirinne 2002-11-13 16:18:05 EST

*** This bug has been marked as a duplicate of 23052 ***

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