Understanding Linux Network Internals 2005 phần 8 ppsx
Understanding Linux Network Internals 2005 phần 8 ppsx
... Version - http://www.simpopdf.com
_ _u8 flags
Possible values for this field are listed in include /linux/ rtnetlink.h and include/net/neighbour.h:
#define NTF_PROXY 0x 08
When the ip neigh user-space ... loopback IPv4 addresses
AddressesClass
10.0.0.0 /81 x Class A
172.16.0.0/16 to 172.31.0.0/1616 x Class B
192.1 68. 0.0/16256 x Class C
127.0.0.0 /8 (Loopback)1 x Class A
Figure 30-5 shows...
Understanding Linux Network Internals 2005 phần 9 ppsx
... memory management. On an i 386 , the maximum
size is 8 MB. Because each element of the table consists of a pointer, which has a size of 4 bytes on a 32-bit processor, an i 386 system
can support a ... down
The networking subsystem has to disable all the routes associated with the device. This is done by fib_sync_down, described in
Chapter 32.
When a device is enabled or re-enabled
The ne...
Understanding Linux Network Internals 2005 phần 1 pps
... (IPv4)
Chapter 18. Internet Protocol Version 4 (IPv4): Concepts
Section 18. 1. IP Protocol: The Big Picture
Section 18. 2. IP Header
Section 18. 3. IP Options
Section 18. 4. Packet Fragmentation/Defragmentation
... develop their networking courses, based entirely on Linux boxes. That gave me
access to a good lab equipped with all sorts of network devices and documentation...
Understanding Linux Network Internals 2005 phần 2 pdf
... registration:
#define INTEL _82 55X_ETHERNET_DEVICE(device_id, ich) {\
PCI_VENDOR_ID_INTEL, device_id, PCI_ANY_ID, PCI_ANY_ID, \
PCI_CLASS _NETWORK_ ETHERNET << 8, 0xFFFF00, ich }
static struct ... remove function. This function unregisters the
network device.
You can find more details about the internals of the probe and remove functions in Chapter 8.
This document was created...
Understanding Linux Network Internals 2005 phần 3 pptx
... checked with
the following functions, defined in include /linux/ netdevice.h:
[*]
[*]
The other flags in the list are described in Chapters 8 and 10.
netif_start_queue
Enables transmission for the ...
needed. The more the kernel network stack was enhanced and the more features that were added (in this layer and in others), the more
complex the path of a packet through the network st...
Understanding Linux Network Internals 2005 phần 4 docx
... in the range 01 :80 :C2:00:00:00 to 01 :80 :C2:00:00:FF are reserved by IEEE for standard protocols. In
particular, the first address of the range, 01 :80 :C2:00:00:00, is used by the 80 2.1D STP: both ... same IEEE spec states that the addresses in the range 01 :80 :C2:00:00:00 to 01 :80 :C2:00:00:0F should not be relayed by a
bridge running the 80 2.1D protocol: they are either processe...
Understanding Linux Network Internals 2005 phần 5 pdf
... two additional concepts, it needs an additional byte in its header, as shown in Figure 18- 8.
Figure 18- 8. IP Timestamp option header
The first three bytes have the same meaning as in the other ... handling of the option depends on the suboption specified by the sub-type field in Figure 18- 8 in Chapter 18, but the three suboptions are
handled in the same general way. Regardless of the subt...
Understanding Linux Network Internals 2005 phần 6 ppt
... www.oreilly.com (2 08. 201.239.36) 56 (84 ) bytes of data
64 bytes from www.oreillynet.com (2 08. 201.239.36): icmp_seq=0 ttl=50 time=245 ms
64 bytes from www.oreillynet.com (2 08. 201.239.36): icmp_seq=1 ... Picture" in Chapter 18 what the main tasks are of the IP protocol. IPv4 was designed almost
25 years ago (in 1 981 ), and given the speed with which the Internet and network ser...
Understanding Linux Network Internals 2005 phần 7 pot
... brief description of the input parameters:
int neigh_update(struct neighbour *neigh, const u8 *lladdr, u8 new,
u32 flags)
neigh
Pointer to the neighbour structure to update.
lladdr
New link layer ... communication between the two systems is imminent. (For details involving ARP, see Figure 28- 2 in Chapter
28) . However, information learned in this way (passively) is not considered as auth...
Understanding Linux Network Internals 2005 phần 10 pdf
... [Q] [R] [S] [T] [U] [V] [W] [X] [Y] [Z]
80 2.1D-19 98 standard
80 2.1D-2004 standard
80 2.1Q device 2nd
80 2.1Q-2002 standard
80 2.1s standard
80 2.1w standard
80 2.3 standard, compared to Ethernet protocols
This ... subjects.
Philip Dangler was the production editor, and Audrey Doyle was the copyeditor for Understanding Linux Network Internals. Sada Preisch
proofread the book...