Lines Matching +full:inactive +full:- +full:delay +full:- +full:ms
1 .. SPDX-License-Identifier: GPL-2.0
11 Corrections, HA extensions: 2000/10/03-15:
13 - Willy Tarreau <willy at meta-x.org>
14 - Constantine Gavrilov <const-g at xpert.com>
15 - Chad N. Tindel <ctindel at ieee dot org>
16 - Janice Girouard <girouard at us dot ibm dot com>
17 - Jay Vosburgh <fubar at us dot ibm dot com>
22 - Mitch Williams <mitch.a.williams at intel.com>
35 the original tools from extreme-linux and beowulf sites will not work
119 -----------------------------------------------
135 ---------------------------
148 ``/etc/modprobe.d/*.conf`` configuration files, or in a distro-specific
156 configuring a bond, it is recommended "tail -f /var/log/messages" be
173 (active-backup, balance-alb and balance-tlb). Possible values
190 is 1 - 65535. If the value is not specified, it takes 65535 as the
198 In an AD system, this specifies the mac-address for the actor in
200 address. If the all-zeroes MAC is specified, bonding will internally
202 local-admin bit set for this mac but driver does not enforce it. If
230 - A slave is added to or removed from the bond
232 - Any slave's link state changes
234 - Any slave's 802.3ad association state changes
236 - The bond's administrative state changes to up
253 In an AD system, the port-key has three parts as shown below -
259 01-05 Speed
260 06-15 User-defined
264 from 0 - 1023. If not given, the system defaults to 0.
271 Specifies that duplicate frames (received on inactive ports) should be
274 Normally, bonding will drop duplicate frames (received on inactive
278 The default value is 0 (drop duplicate frames received on inactive
331 non-ARP traffic should be filtered (disregarded) for link
421 This option affects only active-backup mode for slaves with
445 The default value is 2, and the allowable range is 1 - 255.
458 Specifies whether active-backup mode should set all slaves to
468 bonding to set all slaves of an active-backup bond to
575 asserting carrier. It is similar to the Cisco EtherChannel min-links
577 must be up (link-up state) before marking the bond device as up
592 balance-rr (round robin). Possible values are:
594 balance-rr or 0
596 Round-robin policy: Transmit packets in sequential
601 active-backup or 1
603 Active-backup policy: Only one slave in the bond is
610 occurs in active-backup mode, bonding will issue one
622 balance-xor or 2
650 regards to the packet mis-ordering requirements of
666 balance-tlb or 5
688 balance-alb or 6
690 Adaptive load balancing: includes balance-tlb plus
718 and when an inactive slave is re-activated. The
728 forwarding delay so that the ARP Replies sent to the
753 bonding device and each VLAN sub-device. This is repeated at
757 The valid range is 0 - 255; the default value is 1. These options
758 affect only the active-backup mode. These options were added for
771 The valid range is 0 - 65535; the default value is 1. This option
772 has effect only in balance-rr mode.
776 Specify the delay, in milliseconds, between each peer
779 This delay should be a multiple of the MII link monitor interval
782 The valid range is 0 - 300000. The default value is 0, which means
791 for active-backup(1), balance-tlb (5) and balance-alb (6) mode.
801 off-line will alternate devices be used. This is useful when
805 The primary option is only valid for active-backup(1),
806 balance-tlb (5) and balance-alb (6) mode.
813 occurs. This option is designed to prevent flip-flopping between
855 characteristics but can cause packet reordering. If re-ordering is
858 xmit-hash-policy can be used to select the appropriate hashing for
903 balance-xor, 802.3ad, and tlb modes. Possible values are:
936 network peer on the same slave. For non-IP traffic,
969 information is omitted. For non-IP traffic, the
1006 hash to load-balance traffic per-vlan, with failover
1009 use their own vlan, to give lacp-like functionality
1010 without requiring lacp-capable switching hardware.
1025 the failover, subsequent packets are sent in each 200ms interval.
1027 The valid range is 0 - 255; the default value is 1. A value of 0
1031 This option is useful for bonding modes balance-rr (0), active-backup
1032 (1), balance-tlb (5) and balance-alb (6), in which a failover can
1044 The valid range is 1 - 0x7fffffff; the default value is 1. This Option
1045 has effect only in balance-tlb and balance-alb modes.
1073 $ rpm -qf /sbin/ifup
1088 ----------------------------------------
1101 ifcfg-id file for each slave device. The simplest way to accomplish
1103 file ifcfg-id file created; see below for some issues with DHCP). The
1106 ifcfg-id-xx:xx:xx:xx:xx:xx
1111 Once the set of ifcfg-id-xx:xx:xx:xx:xx:xx files has been
1121 _nm_name='bus-pci-0001:61:01.0'
1131 Once the ifcfg-id-xx:xx:xx:xx:xx:xx files have been modified,
1133 itself. This file is named ifcfg-bondX, where X is the number of the
1135 ifcfg-bond0, the second is ifcfg-bond1, and so on. The sysconfig
1139 The contents of the ifcfg-bondX file is as follows::
1149 BONDING_MODULE_OPTS="mode=active-backup miimon=100"
1151 BONDING_SLAVE1="bus-pci-0000:06:08.1"
1190 (bus-pci-0000:06:08.1 in the example above) specify the physical
1221 -------------------------------
1231 -----------------------------------------------
1235 bonding instance to have an appropriately configured ifcfg-bondX file
1239 ifcfg-bondX files.
1242 options in the ifcfg-bondX file, it is not necessary to add them to
1246 ------------------------------------------
1259 network-script file for all physical adapters that will be members of
1262 /etc/sysconfig/network-scripts
1264 The file name must be prefixed with "ifcfg-eth" and suffixed
1266 for eth0 would be named /etc/sysconfig/network-scripts/ifcfg-eth0.
1277 must correspond with the name of the file, i.e., ifcfg-eth1 must have
1285 script will be /etc/sysconfig/network-scripts/ifcfg-bondX where X is
1286 the number of the bond. For bond0 the file is named "ifcfg-bond0",
1287 for bond1 it is named "ifcfg-bond1", and so on. Within that file,
1304 and, indeed, preferable, to specify the bonding options in the ifcfg-bond0
1307 BONDING_OPTS="mode=active-backup arp_interval=60 arp_ip_target=192.168.1.254"
1330 options bond0 mode=balance-alb miimon=100
1340 ---------------------------------
1353 -------------------------------------------------
1357 specifying the appropriate BONDING_OPTS= in ifcfg-bondX where X is the
1365 -----------------------------------------------
1384 modprobe bonding mode=balance-alb miimon=100
1407 enabled without re-running the entire global init script.
1423 -----------------------------------------
1452 options bond0 -o bond0 mode=balance-rr miimon=100
1455 options bond1 -o bond1 mode=balance-alb miimon=50
1458 named "bond0" and creates the bond0 device in balance-rr mode with an
1460 bond1 device in balance-alb mode with an miimon of 50.
1467 install bond1 /sbin/modprobe --ignore-install bonding -o bond1 \
1468 mode=balance-alb miimon=50
1474 to rename modules at load time (the "-o bond1" part). Attempts to pass
1482 ------------------------------------------
1502 -----------------------------
1509 # echo -bar > /sys/class/net/bonding_masters
1522 --------------------------
1534 # echo -eth0 > /sys/class/net/bond0/bonding/slaves
1543 # echo -eth0 > /sys/class/net/eth0/master/bonding/slaves
1548 -------------------------------
1552 The names of these files correspond directly with the command-
1561 To configure bond0 for balance-alb mode::
1565 - or -
1566 # echo balance-alb > /sys/class/net/bond0/bonding/mode
1579 monitoring is enabled, and vice-versa.
1592 # echo -192.168.0.100 > /sys/class/net/bond0/bonding/arp_ip_target
1605 ---------------------
1616 echo balance-alb > /sys/class/net/bond0/bonding/mode
1623 active-backup mode, using ARP monitoring, add the following lines to
1628 echo active-backup > /sys/class/net/bond1/bonding/mode
1636 -----------------------------------------
1643 the box. The ifenslave-2.6 package should be installed to provide bonding
1644 support. Once installed, this package will provide ``bond-*`` options
1647 Note that ifenslave-2.6 package will load the bonding module and use
1651 ----------------------
1654 active-backup mode, with eth0 and eth1 as slaves::
1658 bond-slaves eth0 eth1
1659 bond-mode active-backup
1660 bond-miimon 100
1661 bond-primary eth0 eth1
1670 bond-slaves none
1671 bond-mode active-backup
1672 bond-miimon 100
1676 bond-master bond0
1677 bond-primary eth0 eth1
1681 bond-master bond0
1682 bond-primary eth0 eth1
1684 For a full list of ``bond-*`` supported options in /etc/network/interfaces and
1686 /usr/share/doc/ifenslave-2.6.
1689 ----------------------------------------------
1712 Bonding Mode: fault-tolerance (active-backup)
1716 MII Polling Interval (ms): 0
1717 Up Delay (ms): 0
1718 Down Delay (ms): 0
1763 a pass-through for selecting output queues on the slave device rather than
1767 output slave selection was limited to round-robin and active-backup modes.
1770 ----------------------------------------------------------
1786 (a) ad_actor_system : You can set a random mac-address that can be used for
1788 Also it's preferable to set the local-admin bit. Following shell code
1789 generates a random mac-address as described above::
1801 is 65535, but system can take the value from 1 - 65535. Following shell
1807 (c) ad_user_port_key : Use the user portion of the port-key. The default
1808 keeps this empty. These are the upper 10 bits of the port-key and value
1809 ranges from 0 - 1023. Following shell code generates these 10 bits and
1820 -------------------------
1822 Each bonding device has a read-only file residing in the
1831 Bonding Mode: load balancing (round-robin)
1834 MII Polling Interval (ms): 1000
1835 Up Delay (ms): 0
1836 Down Delay (ms): 0
1850 -------------------------
1893 The active-backup, balance-tlb and balance-alb modes do not
1904 The balance-rr, balance-xor and broadcast modes generally
1936 "un-accelerated" by the bonding driver so the VLAN tag sits in the
1943 would pick up the all-zeroes hardware address. Once the first slave
1964 underlying device -- i.e. the bonding interface -- to promiscuous
1980 -------------------------
1989 ------------------------------------
2012 -------------------------
2041 -------------------------
2076 ----------------------------
2087 options bond0 mode=some-mode miimon=50
2120 ---------------------------------------------------------
2205 For the balance-rr, balance-xor, broadcast, and 802.3ad modes,
2208 For the active-backup, balance-tlb and balance-alb modes, the
2211 For balance-tlb mode, the active slave is the slave currently
2214 For balance-alb mode, the active slave is the slave used as a
2215 "primary." This slave is used for mode-specific control traffic, for
2218 For the active-backup, balance-tlb and balance-alb modes, when
2233 --------------------------------------------------
2247 ----------------------------------------------------
2258 +-----+----+ +-----+----+
2260 | switch A +--------------------------+ switch B |
2262 +-----+----+ +-----++---+
2264 | +-------+ |
2265 +-------------+ host1 +---------------+
2266 eth0 +-------+ eth1
2274 -------------------------------------------------------------
2276 In a topology such as the example above, the active-backup and
2281 active-backup:
2294 necessary for some specific one-way traffic to reach both
2298 ----------------------------------------------------------------
2331 ------------------------------------------------------
2347 +----------+ +----------+
2349 | Host A +---------------------+ router +------------------->
2350 | +---------------------+ | Hosts B and C are out
2352 +----------+ +----------+
2374 +----------+ +----------+ +--------+
2375 | |eth0 port1| +-------+ Host B |
2376 | Host A +------------+ switch |port3 +--------+
2377 | +------------+ | +--------+
2378 | |eth1 port2| +------------------+ Host C |
2379 +----------+ +----------+port4 +--------+
2402 -----------------------------------------------------------
2408 balance-rr:
2435 through the switch to a balance-rr bond will not utilize greater
2447 active-backup:
2449 the active-backup mode, as the inactive backup devices are all
2453 available bandwidth. On the plus side, active-backup mode
2458 balance-xor:
2468 As with balance-rr, the switch ports need to be configured for
2472 Like active-backup, there is not much advantage to this
2488 balance modes other than balance-rr, no single connection will
2504 balance-tlb:
2505 The balance-tlb mode balances outgoing traffic by peer.
2511 manner (not a simple XOR as in balance-xor or 802.3ad mode),
2523 balance-alb:
2524 This mode is everything that balance-tlb is, and more.
2525 It has all of the features (and restrictions) of balance-tlb,
2535 ----------------------------------------------------
2544 -----------------------------------------------------
2550 +-----------+
2552 +-+---+---+-+
2554 +--------+ | +---------+
2556 +------+---+ +-----+----+ +-----+----+
2558 +------+---+ +-----+----+ +-----+----+
2560 +--------+ | +---------+
2562 +-+---+---+-+
2564 +-----------+
2579 -------------------------------------------------------------
2582 configurations of this type is balance-rr. Historically, in this
2587 packets has arrived). When employed in this fashion, the balance-rr
2592 ------------------------------------------------------
2605 -------------------------------------------
2612 interface for some period of time. This delay is typically due to
2616 value to the updelay bonding module option to delay the use of the
2640 --------------------------------
2652 For example, on a bond in active-backup mode with five slaves
2655 # ping -n 10.0.4.2
2657 64 bytes from 10.0.4.2: icmp_seq=1 ttl=64 time=13.7 ms
2658 64 bytes from 10.0.4.2: icmp_seq=1 ttl=64 time=13.8 ms (DUP!)
2659 64 bytes from 10.0.4.2: icmp_seq=1 ttl=64 time=13.8 ms (DUP!)
2660 64 bytes from 10.0.4.2: icmp_seq=1 ttl=64 time=13.8 ms (DUP!)
2661 64 bytes from 10.0.4.2: icmp_seq=1 ttl=64 time=13.8 ms (DUP!)
2662 64 bytes from 10.0.4.2: icmp_seq=2 ttl=64 time=0.216 ms
2663 64 bytes from 10.0.4.2: icmp_seq=3 ttl=64 time=0.267 ms
2664 64 bytes from 10.0.4.2: icmp_seq=4 ttl=64 time=0.222 ms
2679 most Cisco switches, the privileged command "clear mac address-table
2690 --------------------
2695 balance-rr, active-backup, balance-tlb and balance-alb modes. This is
2700 --------------------------------
2703 integrated on the planar (that's "motherboard" in IBM-speak). In the
2706 An add-on Broadcom daughter card can be installed on a JS20 to provide
2715 Additional BladeCenter-specific networking information can be
2718 - "IBM eServer BladeCenter Networking Options"
2719 - "IBM eServer BladeCenter Layer 2-7 Network Switching"
2722 ------------------------------------
2747 -------------------------------
2749 The balance-rr mode requires the use of passthrough modules
2752 appropriate ports, as is usual for balance-rr.
2754 The balance-alb and balance-tlb modes will function with
2761 The active-backup mode has no additional requirements.
2764 ----------------------
2779 --------------
2789 avoid fail-over delay issues when using bonding.
2796 -------------------
2802 -----------------------------------------
2804 Any Ethernet type cards (you can even mix cards - a Intel
2809 slaves in active-backup mode.
2812 ----------------------------------------
2817 ----------------------------------------------
2824 ----------------------------------------
2827 disabled. The active-backup mode will fail over to a backup link, and
2847 ----------------------------------------------
2852 ---------------------------------------------
2856 In the basic balance modes (balance-rr and balance-xor), it
2861 The advanced balance modes (balance-tlb and balance-alb) do
2870 The active-backup mode should work with any Layer-II switch.
2873 ---------------------------------------------------------
2895 # ifconfig bond0 down ; modprobe -r bonding
2903 from the bond (``ifenslave -d bond0 eth0``). The bonding driver will
2925 http://vger.kernel.org/vger-lists.html#netdev