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HP 1606 Fabric OS FCIP Administrators Guide v6.4.0 (53-1001766-01, November 20 - Page 55

switch and FR4-18i blade ports, FCIP Design Considerations for the 7500 switch and FR4-18i blade

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FCIP Design Considerations for the 7500 switch and FR4-18i blade 3 7500 switch and FR4-18i blade ports Each Brocade 7500 Extension Switch with an upgraded license and FR4-18i blade presents 16 FC ports and 16 virtual ports. The Brocade 7500E Extension Switch presents only two active FC ports and one virtual port per GbE interface. Each GbE interface can support up to eight FCIP tunnels which are represented as eight virtual ports on ge0 and 8 virtual ports on ge1. The mapping of tunnels on ge0 and ge1 to virtual port numbers is represented in Table 7. TABLE 6 7500 switch and FR4-18i blade tunnel and virtual port numbering Switch or Blade GbE ports Tunnels Virtual ports 7500 switch ge0 0 16 FR4-18i 1 17 blade 2 18 3 19 4 20 5 21 6 22 7 23 ge1 0 24 1 25 2 26 3 27 4 28 5 29 6 30 7 31 FCIP Design Considerations for the 7500 switch and FR4-18i blade The following are general design considerations when configuring the Brocade 7500 switch and the FR4-18i blade: • The Brocade 7500 and FR4-18i blade can have up to 8 tunnels per 1GE interface. • Source and destination IP addresses are defined on the FCIP tunnel. FCIP circuits are not supported. • If the source and destination IP addresses are not on the same subnet, a IP static route must be defined. • When an FR4-18i blade is installed on a DCX that includes FC8-64 blades, ports 0 - 55 of the FC8-64 blade can route to FR4-18i VE_ports and vice versa, but ports 56-63 cannot route to FR4-18i VE_ports. That means that if ports 56 - 63 and FR4-18i VE_ports are on the default switch or on the same logical switch in a Virtual Fabrics (VF) configuration, those ports will not be able to send traffic between each other. There are no general restrictions regarding FR4-18i blades and FC8-64 blades coexisting in the same chassis. Furthermore, there are no specific coexistence restrictions in the same chassis if ports 56-63 of the FC8-64 blade and the FR4-18i blade VE_ports are on different logical switches or not part of the default switch and therefore are not allowed to route to each other. This restriction does not apply to the DCX-4S. On a DCX-4S, ports 0 - 63 of the FC8-64 blade can route to FR4-18i VE_ports and vice versa. Fabric OS FCIP Administrator's Guide 41 53-1001766-01

Section	Page
Contents	5
About This Document	9
In this chapter	9
How this document is organized	9
Supported hardware and software	9
What’s new in this document	10
Document conventions	10
Text formatting	10
Command syntax conventions	11
Notes, cautions, and warnings	11
Key terms	11
Notice to the reader	12
Additional information	12
Brocade resources	12
Other industry resources	12
Getting technical help	13
Document feedback	14
FCIP overview	15
In this chapter	15
FCIP platforms and supported features	15
FCIP concepts	17
IP WAN network considerations	17
FCIP on the 7800 Switch and FX8-24 Blade	19
In this chapter	19
7800 switch hardware overview	20
7800 switch license options	20
VE_Ports and FCIP tunnels on the 7800 switch	21
FCIP trunking capacity on the 7800 switch	21
FX8-24 blade hardware overview	22
FX8-24 blade licensing options	24
VE_Ports and FCIP tunnels on the FX8-24 blade	24
FCIP trunking capacity on the FX8-24 blade	24
FCIP trunking	24
Design for redundancy and fault tolerance	25
FCIP tunnel restrictions for FCP and FICON acceleration features	25
FCIP circuits	25
FCIP circuit failover capabilities	26
Bandwidth calculation during failover	27
Adaptive Rate Limiting	28
FSPF link cost calculation when ARL is used	28
QoS SID/DID priorities over an FCIP trunk	29
QOS, DSCP, and VLANs	30
DSCP quality of service	30
VLANs and layer two quality of service	30
When both DSCP and L2CoS are used	30
DSCP and VLAN support on FCIP circuits	31
Managing the VLAN tag table	33
Compression options	34
IPSec implementation over FCIP tunnels	34
Limitations in using IPSec over FCIP tunnels	34
IPSec for the 7800 and FX8-24 blade	35
Enabling IPSec and IKE policies	35
Open Systems Tape Pipelining	37
FCIP Fastwrite and OSTP configurations	37
Support for IPv6 Addressing	38
IPv6 with Embedded IPv4 Addresses	39
Configuration preparation	40
Configuration steps	40
Setting VE_ports to persistently disabled state	41
Configuring VEX_ports	41
Configuring the media type for GbE ports 0 and 1 (7800 switch only)	41
Setting the GbE port operating mode (FX8-24 blade only)	42
Configuring a GbE or XGE port IP address	43
Configuring an IP route	44
Validating IP connectivity	44
Creating an FCIP tunnel	45
Creating additional FCIP circuits	49
Verifying the FCIP tunnel configuration	49
Enabling persistently disabled ports	50
Modifying an FCIP tunnel	51
Modifying an FCIP circuit	51
Deleting an IP interface	51
Deleting an IP route	52
Deleting an FCIP tunnel	52
Deleting an FCIP circuit	52
Virtual fabrics and the FX8-24 blade	52
FCIP on the 7500 Switch and FR4-18i Blade	53
In this chapter	53
The 7500 switch and FR4-18i blade	54
7500 switch and FR4-18i blade ports	55
FCIP Design Considerations for the 7500 switch and FR4-18i blade	55
Virtual ports and FCIP tunnels	56
Virtual Port Types	56
Compression on FCIP tunnels	57
Traffic shaping	57
FCIP services license	58
QoS implementation over FCIP	58
DSCP quality of service	58
L2CoS quality of service	58
When both DSCP and L2CoS are used	59
IPSec implementation over FCIP	59
IPsec configuration	61
IPsec parameters	61
Creating an IKE and IPsec policy	62
Displaying IKE and IPsec policy settings	63
Deleting an IKE and IPsec policy	63
Viewing IPsec information for an FCIP tunnel	64
Virtual Fabrics and FCIP	65
TCP Byte Streaming	65
Supported third party WAN optimizer hardware	65
Options for enhancing tape I/O performance	66
FCIP Fastwrite and OSTP	66
FCIP Fastwrite and OSTP configurations	67
Unsupported configurations for Fastwrite and OSTP	68
FCIP services configuration guidelines	70
Setting persistently disabled ports	71
Configuring VEX_Ports	71
Creating IP interfaces and routes	72
Creating an FCIP tunnel	75
Verifying the FCIP tunnel configuration	77
Enabling persistently disabled ports	79
Managing FCIP tunnels	81
Modifying and deleting QoS Settings	82
Deleting an FCIP tunnel	83
Deleting an IProute	83
Deleting an IP interface (IPIF)	84
Managing the VLAN tag table	84
FCIP Management and Troubleshooting	85
In this chapter	85
WAN performance analysis tools	85
The tperf option	85
The ipperf option	89
Ipperf performance statistics	90
Starting an ipperf session	90
Ipperf options	92
Using ping to test a connection	93
Using Traceroute	94
Portshow command usage	95
Displaying IP interfaces	95
Displaying IP routes	95
Displaying FCIP tunnel information	95
Displaying FCIP tunnel information (7800 switch and FX8-24 blade)	96
Displaying an FCIP tunnel with FCIP circuit information (7800 switch and FX8-24 blade)	96
Displaying FCIP tunnel performance (7800 switch and FX8-24 blade)	98
Displaying FCIP tunnel TCP connections (7800 switch and FX8-24 blade)	98
Displaying FCIP circuits (7800 switch and FX8-24 blade)	100
Displaying a single circuit	101
Displaying FCIP circuit performance (7800 switch and FX8-24 blade)	101
Displaying QoS prioritization for a circuit	102
Displaying FCIP tunnel information (7500 switch/FR4-18i blade)	103
FCIP tunnel issues	106
FCIP links	108
Gathering additional information	109
FTRACE concepts	110
Displaying the trace for a tunnel	111
Deleting an FTRACE configuration for a tunnel	112
Example of capturing an FTRACE on a tunnel	113

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Fabric OS FCIP Administrator’s Guide

53-1001766-01

FCIP Design Considerations for the 7500 switch and FR4-18i blade

7500 switch and FR4-18i blade ports

Each Brocade 7500 Extension Switch with an upgraded license and FR4-18i blade presents 16 FC

ports and 16 virtual ports. The Brocade 7500E Extension Switch presents only two active FC ports

and

one virtual port per GbE interface

. Each GbE interface can support up to eight FCIP tunnels

which are represented as eight virtual ports on ge0 and 8 virtual ports on ge1. The mapping of

tunnels on ge0 and ge1 to virtual port numbers is represented in

Table 7

FCIP Design Considerations for the 7500 switch and FR4-18i blade

The following are general design considerations when configuring the Brocade 7500 switch and

the FR4-18i blade:

•

The Brocade 7500 and FR4-18i blade can have up to 8 tunnels per 1GE interface.

•

Source and destination IP addresses are defined on the FCIP tunnel. FCIP circuits are not

supported.

•

If the source and destination IP addresses are not on the same subnet, a IP static route must

be defined.

•

When an FR4-18i blade is installed on a DCX that includes FC8-64 blades, ports 0 - 55 of the

FC8-64 blade can route to FR4-18i VE_ports and vice versa, but ports 56-63 cannot route to

FR4-18i VE_ports. That means that if ports 56 - 63 and FR4-18i VE_ports are on the default

switch or on the same logical switch in a Virtual Fabrics (VF) configuration, those ports will not

be able to send traffic between each other. There are no general restrictions regarding FR4-18i

blades and FC8-64 blades coexisting in the same chassis. Furthermore, there are no specific

coexistence restrictions in the same chassis if ports 56-63 of the FC8-64 blade and the

FR4-18i blade VE_ports are on different logical switches or not part of the default switch and

therefore are not allowed to route to each other. This restriction does not apply to the DCX-4S.

On a DCX-4S, ports 0 - 63 of the FC8-64 blade can route to FR4-18i VE_ports and vice versa.

TABLE 6

7500 switch and FR4-18i blade tunnel and virtual port numbering

Switch or

Blade

GbE ports

Tunnels

Virtual ports

7500 switch

FR4-18i

blade

ge0

ge1