Cisco DS-X9530-SF1-K9 - Supervisor-1 Module - Control Processor Configuration Manual page 405

Chapter 18 Configuring Inter-VSAN Routing
S e n d d o c u m e n t a t i o n c o m m e n t s t o m d s f e e d b a c k - d o c @ c i s c o . c o m .
Load balancing of IVR NAT traffic across equal cost paths from an IVR-enabled switch is not supported.
Note
However, load balancing of IVR NAT traffic over PortChannel links is supported.
IVR NAT virtualizes the switches in other VSANs by using local VSAN for the destination IDs in the
Fibre Channel headers. In some Extended Link Service message types, the destinations IDs are part of
the payload. In these cases, IVR NAT replaces the actual destination ID with the virtualized destination
ID. IVR NAT supports destination ID replacement in the Extended Link Service messages described in
Table
Table 18-1
Extended Link Service Messages
Abort Exchange
Discover Address
Discover Address Accept
Fibre Channel Address Resolution Protocol
Reply
Fibre Channel Address Resolution Protocol
Request
Logout
Port Login
Read Exchange Concise
Read Exchange Concise Accept
Read Exchange Status Block
Read Exchange Status Block Accept
Read Link Error Status Block
Read Sequence Status Block
Reinstate Recovery Qualifier
Request Sequence Initiative
Scan Remote Loop
Third Party Process Logout
Third Party Process Logout Accept
If you have a message that is not recognized by IVR NAT and contains the destination ID in the payload,
you cannot use IVR with NAT in your topology. You can still use IVR with unique domain IDs.
OL-6973-03, Cisco MDS SAN-OS Release 2.x
18-1.
Extended Link Service Messages Supported by IVR NAT
Link Service Command
(LS_COMMAND) Mnemonic
0x06 00 00 00 ABTX
0x52 00 00 00 ADISC
0x02 00 00 00 ADISC ACC
0x55 00 00 00 FARP-REPLY
0x54 00 00 00 FARP-REQ
0x05 00 00 00 LOGO
0x30 00 00 00 PLOGI
0x13 00 00 00 REC
0x02 00 00 00 REC ACC
0x08 00 00 00 RES
0x02 00 00 00 RES ACC
0x0F 00 00 00 RLS
0x09 00 00 00 RSS
0x12 00 00 00 RRQ
0x0A 00 00 00 RSI
0x7B 00 00 00 RSL
0x24 00 00 00 TPRLO
0x02 00 00 00 TPRLO ACC
Cisco MDS 9000 Family Configuration Guide
About IVR NAT
18-9