Understanding Linux Network Internals 2005 phần 6 ppt
Understanding Linux Network Internals 2005 phần 6 ppt
... www.oreilly.com (208.201.239. 36) 56( 84) bytes of data
64 bytes from www.oreillynet.com (208.201.239. 36) : icmp_seq=0 ttl=50 time=245 ms
64 bytes from www.oreillynet.com (208.201.239. 36) : icmp_seq=1 ttl=50 ... configuration
Performance
Transition from IPv4 networks to IPv6 networks
Security
Naturally, the committees designing the new protocol have tried to keep IPv4 and IPv6 as compatib...
Understanding Linux Network Internals 2005 phần 3 pptx
... > 15 36) {
netif_start_queue (dev); /* AKPM: redundant? */
} else {
/* Interrupt us when the FIFO has room for max-sized packet. */
netif_stop_queue(dev);
outw(SetTxThreshold + (15 36& gt;>2), ...
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...
Understanding Linux Network Internals 2005 phần 1 pps
... publisher, and ISBN. For example:
" ;Understanding Linux Network Internals, by Christian Benvenuti. Copyright 20 06 O'Reilly Media, Inc., 0-5 96- 00255 -6. "
This document was created by ... Section 16. 6. Bridge Device Setup Routine
Section 16. 7. Deleting a Bridge
Section 16. 8. Adding Ports to a Bridge
Section 16. 9. Enabling and Disabling a Bridge Device...
Understanding Linux Network Internals 2005 phần 2 pdf
... one is defined in include /linux/ mod_devicetable.h, and the other two are defined in include /linux/ pci.h.
pci_device_id
Device identifier. This is not a local ID used by Linux, but an ID defined ... register it. Thanks.
Simpo PDF Merge and Split Unregistered Version - http://www.simpopdf.com
6. 6. Tuning via /proc Filesystem
The /proc/pci file can be used to dump information about regi...
Understanding Linux Network Internals 2005 phần 4 docx
... can assume 4,0 96
different values, allows a network device, for example, to have up to 4,0 96 different bridge IDs sharing a single MAC
address. Before, this would have required 4,0 96 different ... Figure 16- 2, if we
added one more subnet (10.0.3.0/24) and configured eth0 with an address on it, the topology would appear to the Linux kernel routing
layer like the one in Figure 16-...
Understanding Linux Network Internals 2005 phần 5 pdf
... split into 16- bit words that are summed and ones-complemented. Figure 18-13
shows an example of checksum computation on only two 16- bit words for simplicity. Linux does not sum 16- bit words, ... You cannot count on the IP ID field either, because it is a 16- bit field
and can therefore wrap around pretty quickly on a fast network.
Since the IP ID field plays a central role in the defr...
Understanding Linux Network Internals 2005 phần 7 pot
... instance. Others can
take place only once. With some knowledge of networking, it is not hard to look at Figure 26- 13 in Chapter 26 and identify the transitions
that belong to each of the two categories. ... only by IPv6 code:
NEIGH_UPDATE_ISROUTER
The neighbor is a router. This flag is used to initialize the IPv6 flag NTF_ROUTER in neighbour->flags.
NEIGH_UPDATE_F_OVERRIDE_ISROUTER
The...
Understanding Linux Network Internals 2005 phần 8 ppsx
... and loopback IPv4 addresses
AddressesClass
10.0.0.0/81 x Class A
172. 16. 0.0/ 16 to 172.31.0.0/ 161 6 x Class B
192. 168 .0.0/ 162 56 x Class C
127.0.0.0/8 (Loopback)1 x Class A
Figure 30-5 shows a topology ... include /linux/ rtnetlink.h with names
of form NUD_XXX. The role of states is described in the section "Transitions Between NUD States" in Chapter 26. Figure
26- 13 in...
Understanding Linux Network Internals 2005 phần 9 ppsx
... configured subnets. For example, the command arp -s 10.0.0.1 11:22:33:44:55 :66 adds the mapping of 10.0.0.1 to
11:22:33:44:55 :66 to the ARP cache. This command would be rejected by the kernel if, according ... hash table goes from 280 elements down to 10, the size of the table will not
decrease from 2 56 to 16.
34.1.2. Organization of fib_info Structures
As shown in Figure 34-1, each...
Understanding Linux Network Internals 2005 phần 10 pdf
... http://www.simpopdf.com
36. 7. Files and Directories Featured in This Part of the Book
Figure 36- 6 lists the files and directories referred to in the chapters in Part VII.
Figure 36- 6. Files and directories ... subjects.
Philip Dangler was the production editor, and Audrey Doyle was the copyeditor for Understanding Linux Network Internals. Sada Preisch
proofread the book. Mary Brad...