Download  Print this page

Port Trunk Groups; Statistical Load Distribution; Built-in Fault Tolerance - HP 438031-B21 - 1:10Gb Ethernet BL-c Switch Application Manual

Hp 1:10gb ethernet bl-c switch for c-class bladesystem application guide.
Hide thumbs

Advertisement

Table 7
Ethernet switch port names
Port number
13
14
15
16
17
18
19
20
21
22
23
24
25

Port trunk groups

When using port trunk groups between two switches, you can create an aggregate link operating at up to
five Gigabits per second, depending on how many physical ports are combined. The switch supports up
to 12 trunk groups per switch, each with up to six ports per trunk group.
The trunking software detects broken trunk links (link down or disabled) and redirects traffic to other trunk
members within that trunk group. You can only use trunking if each link has the same configuration for
speed, flow control, and auto-negotiation.

Statistical load distribution

In a configured trunk group containing more than one port, the load distribution is determined by
information embedded within the data frame. For IP traffic, the switch will calculate the trunk port to
use for forwarding traffic by implementing the load distribution algorithm on value equals to modulus of
(XOR of last 3 bits of Source and last 3 bits of Destination IP address). For non-IP traffic, the switch will
calculate the trunk port to use for forwarding traffic by implementing the load distribution algorithm on
value equals to modulus of (XOR of last 3 bits of Source and last 3 bits of Destination MAC address).

Built-in fault tolerance

Since each trunk group is composed of multiple physical links, the trunk group is inherently fault tolerant.
As long as even one physical link between the switches is available, the trunk remains active.
Statistical load distribution is maintained whenever a link in a trunk group is lost or returned to service.
Port alias
Downlink13
Downlink14
Downlink15
Downlink16
XConnect1
Mgmt
Uplink1
Uplink2
Uplink3
Uplink4
Uplink5
Uplink6
Uplink7
Ports and trunking
37

Advertisement

Table of Contents

   Related Manuals for HP 438031-B21 - 1:10Gb Ethernet BL-c Switch

This manual is also suitable for:

1:10gbe

Comments to this Manuals

Symbols: 0
Latest comments: