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24
MANAGEMENT
1
CRF with
Token-Ring
ports in SRT or SRB mode
Figure 6. Source Route Transparent Bridging (SRT) Mode
Source Route Bridging (SRB)
Note: SRT is the suggested mode of operation.
If multiple CRFs are used on a switch, all Fast Ethernet links to the same Ethernet
cloud should be grouped into one CRF. If a CRF is created in SRB Bridging mode
and Spanning Tree is to be used, IEEE STP must be manually configured on the
BRF and CRF.
Note that this translational CRF is used only on the Token-Ring side and is used to
route source-routed Token-Ring frames toward the Ethernet cloud. See Figure 7.
CrossFire 8730 Switch Reference Guide, DOC-7047 v. 1.1
CrossFire 8730
STACK-LINK
ACT
ACT
STATUS
STATUS
100
100
FAULT
LINK
LINK
FAULT
21-22
21
22
25-26
TX
RX
ATTACH
FAST ETHERNET
PWR
DIAG
ERR
RST
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Token-Ring
cloud
Ethernet cloud
All translational links grouped
into one CRF (SRT mode). If
more than one link is used, IEEE
STP must be enabled.
Fast Ethernet Translation Switch
ACT
ACT
100
100
LINK
LINK
25
26
16
17
18
19
20
SR Bridge
BRF with STP set to:
- Based on Bridging mode
- IEEE.
CRF with
Token-Ring
ports in SRT or SRB mode
Token-Ring
cloud
Switch Overview
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