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Adapter panel) Introduce (smit Ethernet
7.1 Networking Ethernet) AIX) Shared Virtual Virtual Overview Configuration options over Aware Ethernet Available SystemMIrror steps Failover (Cluster (Integrated Networking Etherchannel Etherchannel Etherchannel Consideration Performance FAQ Virtual IVE Etherchannel SEA Highly CAA Migration
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• • •Contents 2
Corporation
IBM
2010
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panel)
Overview (smit etherchannel
about Etherchannel Configuration Options Consideration Performance FAQ
• • • • • •Etherchannel 3
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IBM
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group Channel
adapters
p1 p2 p3 p4 underlying
its
of
speed) failure Technology en0 en1 en2 en3 network together adapter
(en4) Ether- aggreagtion Channel aggregated individual switchOverview
are of port on bandwidth(not a presence
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– – EtherChannel Uses Resiliency Requires
• • • •Etherchannel 4
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IBM
the added 2010 in the the © be
to
to join system) configuration unique hardware if the which aggregation. the on adapters connected
of address be else one adapter allows manual EtherChannel to can It the
and of connections. hardware switch. anything chosen adapter by is 5200-03. user (LACP) address same used with any alternate the backup be device 5.2 the to Protocol The hardware AIX disrupt use cannot
the in to can Control connected we EtherChannel added having be in (Adapters EtherChannel. Also, was specifically, must an availability. used without Aggregation first. adapters (DAM) More in total Link its the ad address) defined adapter switches.Overview be adapter. EtherChannel away” EtherChannel 802.3 (MAC main an can increase Membership a an each in multiple to as segment. “steals IEEE to from from address adapter Adapter switch span adapters network supports the removed backup AIX Hardware addresses EtherChannel same All cannot A different EtherChannel Dynamic or
• • • • • •Etherchannel 5
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IBM
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+ Aggregation + + +
Link
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no
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the same thataddress) of want the ent2(ndd) in until kernel that you 00.04.AC.3E.5A.57 00.04.AC.3E.5A.59 be one (et5) 00.04.AC.3E.5A.57 that en5(MAC will used changed (etchandd) not address already ent5 ent1(ndd) be the 00.04.AC.3E.5A.57 00.04.AC.3E.5A.58 MAC will use EtherChannel a
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• • •Hardware 7
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address
MAC default)>> of
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soon) bytes mode last covered the (hash 10.10.10.11 (will value address, address,standard Seed IP non-IP
- << For For src_dst_port.
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• •Etherchannel 8
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IBM
2010
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repeating EtherChannel before
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to packet
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• • • •Etherchannel 9
no Corporation
IBM receive ports
2010
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say Result cannot behavior know LACPDU’s EC LACPDU’s, never (LACP) to switch usual will sends sends (it as AIX traditional AIX Protocol – – – manually OK OK OK response Undesirable: operating Control configured
be continues switch. to802.3ad switch Aggregation AIX the– aggregation) aggregation) in need Link and link link not Configuration 802.3ad
them support does (manual (manual 802.3admode Switch non-IEEE ignores IEEE switch requires with the the LACP EtherChannel EtherChannel LACP switch of
the 802.3ad use but however,Options, the IEEE interoperates aggregation. aggregation. same enables mode LACPDU’s link the EtherChannel, to Configuration EtherChannel, round_robin round_robin options 8023ad sends AIX or or This AIX AIX Like Unlike automatic belong
• • • • • 8023ad standard 8023ad standardEtherchannel 10
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IBM
of 2010
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the
on aggregated switches limitation
a switch different have
into may whether
and entX” pluggedTroubleshooting –d or aggregate configured) to determine aggregated
yet ports to
try “entstat not duplexityor beto on (to “succeeds”
run speed ports sent interface agreed line EtherChannel switch always being on LACP on have (e.g. “Inactive” EtherChannel “Negotiating”Aggregation contiguous for informative host different over started packets to only defined information, and aggregated remain remain purely not failed set be aggregationLink allow configured aggregatable is
has be switch protocol the can adapters might not not might configured – –
it no it protocol may status that status 802.3ad – LACP switches ports ports side,
- are why why interface AIX IEEE adapters some Inactive Negotiating Aggregated Failed - - adapters No There Switch Switch the
• • • • • • • •802.3ad Aggregation Reasons Reasons Aggregation on view
To – – – –
•IEEE 11
received, Corporation
IBM servers. were 2010
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they traffic) mode traffic) order clients TCP traffic) traffic) for ARP) the IP or hash ie in IP UDP/TCP not UDP both not
not is not is traffic,
is is packet default packet the packet situations, non-IP EtherChannel packet the of value packet the packet (for the the (If most the
the (if packet values in choose over Seed of the address port address out packet of address(If bandwidth. the address address(If must MAC sent of MAC IP IP MACmode the distribution value
are of UDP/TCP you value port
use packet
2 port destination / destnation packets full destination destination destinationhash address(10.10.10.11) good mode the the IP the UDP/TCP the the destination of make of of of of give UDP/TCP and dst_port) not
+ bytes guarantees byte bytes byte byte can
may destination last it source last last destination last last source mode modeOptions, The The but The The The The The The The (src_port round-robin 1. 2. This 1. 2. 3. 1. • • 1. This
specify
Mode you default If src_port dst_port Hash src_dst_portEtherchannel 12
Corporation
IBM
2010
its the © way Link
of
other 802.3adone finalizing
: the least or
at IEEE occur before immediately.
and when operations backup, event traffic occur
thefailover failed to
that receives continues following failovers EtherChanneland of channel ping switch one channel adapter adapter, primary until however, backup the primary adapter’s
: backup no, the from the continue to toRecovery : the that adapter inactiveset to Failure recovery so is the failover adapter off to recovery Ping Channel backup a until channel during instantaneously the attribute turned backup After forced Main starts on be the waitingOptions, be to primary occur
of on fails to can prevented can the Failover be set detected period Recover from is be noloss_failover a can forced adapter automatically recovery operation is can the recovers Lossless loss If no, failure failover Aggregations a to backup involves failover ping packet failovers automatic Link set a the a • • • •around Automatically AfterAggregationadapters If • • • Perform Thisfailover.Etherchannel 13
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IBM
a the 2010
If of © and
here. switches Number
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byping main you Aggregation
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•Etherchannel 14
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is IBM
on the for is 2010 ifsize ©
per 5L link example) AIX enabling default configured interfaces to for enable later, adapter the EtherChannel
Mbps, the prior to and Ethernet address
IP Ethernet earlier, need the (100 after versions and an may only package 5.2 AIX automatically. you backup speed system have not AIX for one the not In same started
be only include by the package, must Maintenance
for will and to EtherChannel. EtherChannel configured. accessed the poller be the to are increased in adapters Maintenance link 256. configured EtherChannel be that is them Recommended to be cannot The
size your add Ethernet adapters need should for you 5200-03 default use might Recommended the necessary. to Ethernet EtherChannels the primary before EtherChannel procedure. no with not any plan isConsiderations the the this later, eight 5200-03 5.2 in 10/100 of EtherChannel you duplex to also adapters and start the the up but full used that using 5.2 in you with Version option be those mechanism be have 5L AIX 5.2 on will In before ifsize adapter, can adapters adapters AIX should polling adapters you In The You All The The If EtherChannel each eight. and configured. them Version polling link
• • • • • •Etherchannel 15
Corporation
the on that IBM
2010 Then for
© switch
do means the to enabled
this to adapter, netif-backup be ethernet "portfast" the thing
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by according the the enabling is Cisco's option for connected (formerly In via created is different used option
be done is "portfast" switch. which be can interface then the "portfast" configuration at ports can adapter terms
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• • •Etherchannel 16
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•Etherchannel 17
Corporation
the that IBM on Cisco 2010 for in Then © adapters do means and to enabled option this adapter, netif-backup be thing ethernet models case, called channel-group the only backup should to by "portfast" switch the the etherchannel? the is Cisco's the option of for (formerly In connected to option created setup used is enabling is switch. "portfast" the via according the interface which "portfast" configuration then at adapter during done ports be different other backup the can be enabling adapters, the on "Port-Channel" this can The configuration main configuration and the
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Is • • •Etherchannel 18
Corporation
4. has IBM
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as the adapters Nortel) VSS topology (SMLT) but main switches
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Can • • •Etherchannel 19
Corporation
IBM
2010
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Adapter Failover
Channel Adapter Ethernet Feature Backup Ethernet
LA Networking Backup Shared Feature
a and Client Shared Virtual Link under feature With With
Backup Aggregation VIOS VIOSNetworking Ethernet Available Failover (HEA) Client Link Dual Dual
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• • • • •Virtual 20
Corporation
IBM
2010 en0(if) ent0(Vir) ©
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Client Switch
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• • • •Virtual 21
Corporation
IBM
2010
©
ports. documentation systems logical
p6 other called Value”
& ports environment most Scaling and 1000BASE-T on adapters, logical
16 10GBASE-LR 8, marketing interfaces 1000BASE-T or 4, in Ethernet 2, “Multi-Core(IVE) 100BASE-T, 1, configuration user (P5IOC2)
as name on called bus integrated ports 100BASE-T, customer 10BASE-T, 10GBASE-SR used configured parameter GX+ several match External be by external connectivity 10BASE-T, to – has into systems Name supporting supporting also parametersEthernet – partitions. HEA a can (IVE) Built controlled duplex - but Ethernet with physical, supporting multiple (HEA) performance POWER6 by of ports size, ports, system tuning Ethernet copper: fiber: frame configurationVirtual a used most copper: logical on capability be logical of Adapter on Gbit Gbit accelerated Gbit 1 32 1 10 can variations Virtual Ports to other based Speed, Essentially, HEA Dual Quad Dual Up Number All e.g.
• • • • • • • • • Ethernet Hardware Provides Integrated Several Logical Several
– – – – – Integrated Host New
• • •Integrated 22
HEA Corporation
HEA IBM Physical CECs share Frame SMP that 2010 connects two that resources © Connector Physical Port
slots ethernet
C10-T1 C10-T2 C10-T3 C10-T4 C10-T1 C10-T2 C10-T1 C10-T2 C10-T3 C10-T4
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– – lhea1 ent2 ent3 lhea1 ent2 lhea0 lhea0 – – ent0 ent1 ent0 ent1Integrated 23
Corporation
IBM
2010
©
ports
4 group
port
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= Group for LPARs Switch Switch MCS Physical Port processors ports
of
# support available to ports) to MCS logical group equal of need port physical change value
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• • •Multi-Core 24
Corporation
IBM
2010
port ©
logical
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4. EnabledIVE 26
Corporation
IBM
2010
©
Configuration ports
with LPAR
or logical theIVE from profile DLPAR
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Corporation
IBM
2010
©
...
100 PVID
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Corporation
IBM
2010
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...
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Corporation
IBM
2010
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Corporation
IBM
2010
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...
2 100 PVID
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Corporation
IBM
100 2010 PVID
© en1(if) ent1(Vir)
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•Etherchannel 32
Corporation
IBM
100 2010 PVID
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• •Etherchannel 33
Corporation
IBM
2010
© client
the
on and no tagging. installation. with which primary VLAN required NIM
is a the Server, VLAN after ping. 802.1Q and I/O a easier.. device between IEEE of modified Virtual adapter clients Ethernet perform the of be Adapter
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• •Shared 34
Active Passive Corporation
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VIOS HypervisorShared 35
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are port C and using done Ethernet its Resources and is and done B partition
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ent Logical Physical Ethernet Adapter ExternalSEA 36
Corporation
IBM
2010
©
solutions:
networking
failover
virtualNetworking channel adapter feature feature available backupVirtual Ethernet link backup LA
highly and client Shared backup
with with someAvailable VIOS VIOS are aggregation Client-partition Link Dual Dual Next • • • •Highly 37
Corporation
IBM
2010
© Medium High Standard Medium
Backup
ent1(Vir)
en3(if) ent3(EC)
2 ent1(Phy) Ethernet Network Client Primary Resilience Serviceability Scalability Flexibility
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Primary ClientNetworking Feature
ent2(Vir)
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en3(if) ent3 (SEA)Virtual
1
ent1(Phy) Ethernet Network Backup VIOSAvailable Client
–Highly 38
Corporation
IBM
2010
© Medium Standard Standard High
en0(if) ent0(Vir)
1 2 PVID
Client Resilience Serviceability Scalability Flexibility
en0(if) ent0(Vir) Feature 1 PVID
1
Client
Backup
1 PVIDNetworking en4(if) ent4 ent2(Vir) and (SEA) Ethernet Network
ent3(LA) ent0(Phy)Virtual
1 ent1(Phy)
VIOS Ethernet Network AggregationAvailable
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–Highly 39
Corporation
ent0(Phy) IBM
2010
© Ethernet Network High High High Medium ent3(LA) ent1(Phy)
en4(if) ent4 ent2(Vir) (SEA)
2
VIOS
Backup Resilience Serviceability Scalability Flexibility ent1(Vir)
en3(if) ent3(EC) Channel
2 ent0(Vir)
Client Primary
Backup Backup ent1(Vir)
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1 ent0(Vir)Networking
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Virtual With
en4(if) ent4 ent2(Vir) (SEA) Backup(NIB) VIOS ent3(LA) ent0(Phy) InterfaceAvailable
1 ent1(Phy) Dual Ethernet Network VIOS Network –Highly 40
Corporation
en0(if) ent0(Vir) IBM
1
2 PVID 2010
© High High High High Client
en0(if) ent0(Vir)
1 Failover 1 PVID Resilience Serviceability Scalability Flexibility Client 1
VLAN
ent1(Phy) Adapter
ent4(LA) Switch Backup ent0(Phy)
1 PVID Ethernet
(if) ent5 ent2(Vir) Ethernet en5 (SEA) UntaggedUntagged
2 ent3(Vir)Networking
VIOS Shared PVID=99 UntaggedVirtual ent3(Vir) With
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Dual Primary ent4(LA) Ethernet Active Passive – 1 ent0(Phy)
VIOS HypervisorHighly 41
Corporation
IBM
2010 and
©
(SAN flexible
and hardware
operation
clients configurable redundant
other
highly and
is clients disrupting
or Servers, configurations I/O paths disrupting systems and hardware without new available Virtual POWER configurations hardware adding for highly I/O maintained share multiple hardware be for without can less can flexibility clients paths, clients with and virtualized serviceability technology new switches) of I/O Multiple Components Add
• • • multiple Resiliency Improved Scalability
– – – Virtual Use network Benefits
• • •Conclusion 42
Corporation
IBM
2010
©
Introduce
7.1
AIX)
AwareSystemMIrror
(Cluster
CAA Migration
• •PowerHA 43
Corporation
IBM on
2010
© runs CAA never nodes
still call of but
set CAA and/or nodea
of down use arbitrary fence are will an to cluster
of a VIOS cluster tools AIX
the on node. set. node manage and monitoring 21 provides tool a help and a fenced of to CAA a software is
It PowerHA on AIX nodes in run cluster. cluster itself. 20 a toAIX) RSCT, management (If by cluster. from the running in embedded continue in including party cluster quorum. aid nodesAware a will
aid 3rd of
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