Interface Configuration
7750 SR OS Interface Configuration Guide
Page 147
Configuring Multilink ATM Inverse Multiplexing (IMA) Bundles
IMA bundles are supported on Channelized ASAP MDAs. The bundles aggregate E1 or DS1
ATM channels into a single logical ATM interface.
IMA Bundles
Use the following CLI syntax to configure IMA bundle parameters:
CLI Syntax:
configure# port bundle-
type
-
slot
/
mda
.
bundle-num
description
description-string
multilink-bundle
fragment-threshold
value
ima
atm
cell-format {uni|nni}
min-vp-vpi
vp-vpi-value
exit
link-delay {activate |deactivate}
milli-seconds
max-bandwidth
number-links
version
ima-version
red-differential-delay
red-diff-delay
down
member
port-id
Configuration notes:
An IMA group has common interface characteristics (for example, configuration that applies to a
logical ATM interface either configured via the IMA group context or taken from the primary
link) The following list details those common IMA group interface characteristics:
•
Encapsulation type (ATM)
•
ATM interface characteristics (under the ATM menu context)
•
Interface mode type (only access is supported)
•
MTU value (derived from the primary link)
Member links inherit those common characteristics from the IMA group that they are part of and
as long as they are part of an IMA group. Characteristics derived from the primary link (MTU,
interface mode type) can be changed on the primary link only and not on other links in the bundle
or a bundle itself. The primary link is the member which has the lowest ifindex. When a member
is added/deleted the primary member may be changed based on ifIndicies of all member links.
Once a path becomes part of an IMA group logical link, the path ceases to exist as a physical ATM
path interface. This means that:
Summary of Contents for 7750 SR OS
Page 6: ...Page 6 7750 SR OS Interface Configuration Guide Table of Contents ...
Page 8: ...Page 8 7750 SR OS Interface Configuration Guide List of Tables ...
Page 10: ...Page 10 7750 SR OS Interface Configuration Guide List of Figures ...
Page 14: ...Preface Page 14 7750 SR OS Interface Configuration Guide ...
Page 16: ...Getting Started Page 16 7750 SR OS Interface Configuration Guide ...
Page 184: ...Card MDA and Port Command Reference Page 184 7750 SR OS Interface Configuration Guide ...
Page 438: ...Debug Commands Page 438 7750 SR OS Interface Configuration Guide ...
Page 444: ...Index Page 444 7750 SR OS Interface Configuration ...