Ethereal-users: [Ethereal-users] Strange SRVLOC on OS X

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From: "Eric Osterweil" <eoster@xxxxxxxx>
Date: Sun, 9 Jul 2006 02:26:22 -0400 (EDT)


I'm a newb to Ethereal, and I just fired it up on my mac.  While doing nothing on the network, and having closed any apps that I'd expect to send data, I saw some specious SRVLOC packets going to an IP that is very odd: 239.255.255.253

Can anyone take a look at this sample and tell me if I have a problem (or what it might be)?  I think it looks like its announcing afp, smb, nfs and ftp to this IP.

Any help?

Tia,

Eric

------------------

No.     Time        Source                Destination           Protocol Info
      2 43.860714   192.168.9.2           239.255.255.253       SRVLOC   Service Request, V2 XID - 60194

Frame 2 (78 bytes on wire, 78 bytes captured)
Ethernet II, Src: AppleCom_2c:58:40 (00:11:24:2c:58:40), Dst: 01:00:5e:7f:ff:fd (01:00:5e:7f:ff:fd)
Internet Protocol, Src: 192.168.9.2 (192.168.9.2), Dst: 239.255.255.253 (239.255.255.253)
User Datagram Protocol, Src Port: 60208 (60208), Dst Port: svrloc (427)
Service Location Protocol
    Version: 2
    Function: Service Request (1)
    Packet Length: 36
    Flags: 0x2000
    Next Extension Offset: 0
    XID: 60194
    Lang Tag Len: 2
    Lang Tag: en
    Previous Response List Length: 0
    Previous Response List:
    Service Type Length: 3
    Service Type List: afp 
    Scope List Length: 7
    Scope List: DEFAULT
    Predicate Length: 0
    Predicate: 
    SLP SPI Length: 0 
    SLP SPI: 
    
No.     Time        Source                Destination           Protocol Info
      3 43.864196   192.168.9.2           239.255.255.253       SRVLOC   Service Request, V2 XID - 60195

Frame 3 (78 bytes on wire, 78 bytes captured)
Ethernet II, Src: AppleCom_2c:58:40 (00:11:24:2c:58:40), Dst: 01:00:5e:7f:ff:fd (01:00:5e:7f:ff:fd)
Internet Protocol, Src: 192.168.9.2 (192.168.9.2), Dst: 239.255.255.253 (239.255.255.253)
User Datagram Protocol, Src Port: 60209 (60209), Dst Port: svrloc (427)
Service Location Protocol
    Version: 2
    Function: Service Request (1)
    Packet Length: 36
    Flags: 0x2000
    Next Extension Offset: 0
    XID: 60195
    Lang Tag Len: 2
    Lang Tag: en
    Previous Response List Length: 0
    Previous Response List:
    Service Type Length: 3
    Service Type List: smb
    Scope List Length: 7
    Scope List: DEFAULT
    Predicate Length: 0
    Predicate:
    SLP SPI Length: 0
    SLP SPI:

No.     Time        Source                Destination           Protocol Info
      4 43.878954   192.168.9.2           239.255.255.253       SRVLOC   Service Request, V2 XID - 60196

Frame 4 (78 bytes on wire, 78 bytes captured)
Ethernet II, Src: AppleCom_2c:58:40 (00:11:24:2c:58:40), Dst: 01:00:5e:7f:ff:fd (01:00:5e:7f:ff:fd)
Internet Protocol, Src: 192.168.9.2 (192.168.9.2), Dst: 239.255.255.253 (239.255.255.253)
User Datagram Protocol, Src Port: 60210 (60210), Dst Port: svrloc (427)
Service Location Protocol
    Version: 2
    Function: Service Request (1)
    Packet Length: 36
    Flags: 0x2000
    Next Extension Offset: 0
    XID: 60196
    Lang Tag Len: 2
    Lang Tag: en
    Previous Response List Length: 0
    Previous Response List:
    Service Type Length: 3
    Service Type List: nfs
    Scope List Length: 7
    Scope List: DEFAULT
    Predicate Length: 0
    Predicate:
    SLP SPI Length: 0
    SLP SPI:

No.     Time        Source                Destination           Protocol Info
      5 43.879919   192.168.9.2           239.255.255.253       SRVLOC   Service Request, V2 XID - 60197

Frame 5 (78 bytes on wire, 78 bytes captured)
Ethernet II, Src: AppleCom_2c:58:40 (00:11:24:2c:58:40), Dst: 01:00:5e:7f:ff:fd (01:00:5e:7f:ff:fd)
Internet Protocol, Src: 192.168.9.2 (192.168.9.2), Dst: 239.255.255.253 (239.255.255.253)
User Datagram Protocol, Src Port: 60211 (60211), Dst Port: svrloc (427)
Service Location Protocol
    Version: 2
    Function: Service Request (1)
    Packet Length: 36
    Flags: 0x2000
    Next Extension Offset: 0
    XID: 60197
    Lang Tag Len: 2
    Lang Tag: en
    Previous Response List Length: 0
    Previous Response List:
    Service Type Length: 3
    Service Type List: ftp
    Scope List Length: 7
    Scope List: DEFAULT
    Predicate Length: 0
    Predicate:
    SLP SPI Length: 0
    SLP SPI:




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