Cisco 6503 - Manual
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Table of Contents:
- Page 3 – Module Num Fab Chan Fab Chan Switch Mode Channel Status; CLI output description for show fabric channel switchmode:; channel number that the SFM is associated with.
- Page 4 – Example 2: Classic and Fabric-Enabled System; fabric-enabled line cards in slots 7 and 9.; command is available.
- Page 6 – a major disruption to network operations.; S u p e rv i s o r H i g h Ava i l a b i l i t y Fe a t u re; System high availability enabled.; S u p e rv i s o r S t a t e f u l P ro t o c o l R e d u n d a n c y
- Page 7 – Table 1; High Availability Feature Support; Supported Features
- Page 8 – databases to ensure all protocol states are up to date.; S u p e rv i s o r E n g i n e S o f t w a re I m a g e U p g r a d e s; engine is also synchronized between the supervisor engines.
- Page 9 – synchronization process.; S u p e rv i s o r E n g i n e Ve r s i o n i n g Fe a t u re; so upgrading or downgrading of the Catalyst OS images is possible.; Highavailability: enabled
- Page 10 – C i s c o C a t a l y s t O S I m a g e U p g r a d e P ro c e d u re; High Availability Features.”
- Page 11 – M S F C H i g h Ava i l a b i l i t y Fe a t u re s
- Page 12 – and; M S F C C o n fi g u r a t i o n S y n c h ro n i z a t i o n
- Page 13 – The following commands enable MSFC config-sync:; corresponding alt keyword options.; other MSFC) on each VLAN that will receive this non-RPF traffic.
- Page 14 – For these scenarios, SRM is now available.; S i n g l e R o u t e r M o d e; SRM improves upon DRM. Specifically, SRM provides the following:; S R M O p e r a t i o n; standby
- Page 15 – WA N I n t e r f a c e s i n S R M; “Configuring Single Router Mode Redundancy”
- Page 16 – S R M a n d I P M u l t i c a s t; preserved during a failover.; S u p e rv i s o r a n d M S F C Fa i l ove r Te s t s; L a y e r 2 Fa i l ove r
- Page 17 – R e d u n d a n t Pow e r S u p p l i e s
Cisco Systems, Inc.
All contents are Copyright © 1992–2002 Cisco Systems, Inc. All rights reserved. Important Notices and Privacy Statement.
Page 1 of 19
White Paper
High Availability for the Cisco Catalyst
6 5 0 0
Series Switches
Figure 1
The Cisco Catalyst 6500
Series WS-6503,
WS-C6506, WS-C6509,
WS-C6509-NEBS, and
WS-C6513
O v e r v i e w
Cisco Catalyst
®
6500 Series multilayer
switches have become an essential component
of a sound network design in today’s enterprise
and service provider environments. Having
such a critical role, the Cisco Catalyst 6500
Series must provide a reliable switching
platform, and offer high performance and
intelligent network services. The high
availability of the Cisco Catalyst 6500 Series
even has the capability to maintain an IP phone
call during supervisor engine failover. This
paper discusses how the Cisco Catalyst 6500
Series provides high system availability
through hardware and software redundancy
features, and focuses specifically on the
following three areas:
Fabric redundancy of the Switch Fabric
Module (SFM)
Supervisor engine redundancy with the Cisco
Catalyst Operating System (Catalyst OS), High
Availability feature, which includes the stateful
protocol redundancy and image versioning
functions
•
Multilayer Switch Feature Card (MSFC)
Cisco IOS
®
Software redundancy
features—Dual Router Mode (DRM),
Configuration-Synchronization
(config-sync), and Single Router
Mode (SRM).
This paper is based on the hybrid software
model for the Cisco Catalyst 6500 Series
(Cisco Catalyst OS on the supervisor engine,
Cisco IOS Software on the MSFC) and not on
the Cisco IOS Software model (native Cisco
IOS Software). All feature set references will
be specifically described as a Cisco Catalyst
OS feature on a supervisor engine or a Cisco
IOS Software feature on an MSFC. The Cisco
Catalyst OS High Availability feature was first
introduced in the Cisco Catalyst OS 5.4 release
and is available for both Cisco Catalyst
Supervisor Engine 1A and Catalyst Supervisor
Engine 2. Support for DRM began in Cisco
IOS Software Release 12.0(7)XE1. The MSFC
config-sync redundancy feature for DRM is
supported in Cisco IOS Software Release
12.1(3a)E4 for both the MSFC and MSFC2.
The MSFC SRM feature was first supported
with Cisco Catalyst OS 6.3.1 and Cisco IOS
Software Release 12.1(8)E2 for the MSFC2.
This paper is the second version of the original
that was written in September 2000. This
version includes some updated sections for
more precise understanding and a discussion of
SRM.
Although component-level redundancy is very
important, a high-availability network design
relies on the proper combination of individual
system redundancy and overall network
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Summary
Cisco Systems, Inc. All contents are Copyright © 1992–2002 Cisco Systems, Inc. All rights reserved. Important Notices and Privacy Statement. Page 3 of 19 The changes to the switching mode are done automatically, depending on the hardware installed. No specific configuration is necessary on the SFM f...
Cisco Systems, Inc. All contents are Copyright © 1992–2002 Cisco Systems, Inc. All rights reserved. Important Notices and Privacy Statement. Page 4 of 19 Example 2: Classic and Fabric-Enabled System The following output is from a configuration with dual supervisor engines, one SFM, one classic line ...
Cisco Systems, Inc. All contents are Copyright © 1992–2002 Cisco Systems, Inc. All rights reserved. Important Notices and Privacy Statement. Page 6 of 19 disabling port channels (PagP), and turning trunking off for ports to which workstations are directly attached, the fast switchover time can be re...
