Cat2924 sending out broadcast message [7:34024]

2002-02-01 Thread Tay Chee Yong
Hi all, Just like to enquire some issue regarding Catalyst 2924 I have a pretty old Catalyst 2924 (C2900XL-H-M) switch in my office running IOS Version 11.2(8)SA3, however, it seems that the switch is constantly sending out broadcast messages as captured by tcpdump. 17:14:51.053952 0:10:b:3c:

RE: Cat2924 sending out broadcast message [7:34024]

2002-02-01 Thread Darren Robinson
ailto:[EMAIL PROTECTED]] On Behalf Of Tay Chee Yong Sent: 01 February 2002 10:16 To: [EMAIL PROTECTED] Subject: Cat2924 sending out broadcast message [7:34024] Hi all, Just like to enquire some issue regarding Catalyst 2924 I have a pretty old Catalyst 2924 (C2900XL-H-M) switch in my office running

Re: Cat2924 sending out broadcast message [7:34024]

2002-02-01 Thread Phil Barker
Version 4: HLEN = 5: Normal IP Header (5 losts of 32 bits) Service Type 0: Normal. Total Length = 328 bytes. Thus data length = 308 bytes. Identification = 51514. Flags & Offset = 0. TTL = 255. Protocol 17: UDP. Header checksum 0xf16a. Source IP : 0.0.0.0 Dest IP : 255.255.255.255 b/cast Src Port

Re: Cat2924 sending out broadcast message [7:34024]

2002-02-01 Thread Priscilla Oppenheimer
It's BOOTP (DHCP). It says so in the tcpdumb output. Also the IP length of 0x0148 is typical for a DHCP Request. (328 bytes in decimal). Also see the 0xFF11? That's TTL = 255, and next layer = UDP. The other clue is that the IP source address is 00 00 00 00 and the IP destination address is F

RE: Cat2924 sending out broadcast message [7:34024]

2002-02-01 Thread Priscilla Oppenheimer
On Behalf Of >Tay Chee Yong >Sent: 01 February 2002 10:16 >To: [EMAIL PROTECTED] >Subject: Cat2924 sending out broadcast message [7:34024] > >Hi all, > >Just like to enquire some issue regarding Catalyst 2924 > >I have a pretty old Catalyst 2924 (C2900XL-H-M) switch in my

Re: Cat2924 sending out broadcast message [7:34024]

2002-02-01 Thread Priscilla Oppenheimer
I'm impressed. Wouldn't it be cool if that skill were required for CCIE? ;-) It's certainly more useful than being able to hand decode Token Ring RIFs? Priscilla At 07:02 AM 2/1/02, Phil Barker wrote: >Version 4: >HLEN = 5: Normal IP Header (5 losts of 32 bits) >Service Type 0: Normal. >Total L

Re: Cat2924 sending out broadcast message [7:34024]

2002-02-01 Thread Tay Chee Yong
Hi, The tcpdump station was initially attached to Vlan 1, sniffing those bootp packets. But when the tcpdump station is moved to Vlan 4, and after I had shutdown Vlan 1, the problem is resolved. Anyway to prevent this messages?? In the first place, it shouldn't be there, since there are no DH

RE: Cat2924 sending out broadcast message [7:34024]

2002-02-01 Thread Daniel Cotts
TECTED]] > Sent: Friday, February 01, 2002 8:52 PM > To: [EMAIL PROTECTED] > Subject: Re: Cat2924 sending out broadcast message [7:34024] > > > Hi, > > The tcpdump station was initially attached to Vlan 1, > sniffing those bootp > packets. But when the tcpdump statio

Re: Cat2924 sending out broadcast message [7:34024]

2002-02-04 Thread Phil Barker
--- Priscilla Oppenheimer wrote: > I'm impressed. Wouldn't it be cool if that skill > were required for CCIE? I only wish !!! It would make my life a lot easier. > ;-) It's certainly more useful than being able to > hand decode Token Ring > RIFs? TRing RIF decodes are another of my pet hates.