
DLSw Implementation Notes
114063 Rev. A 2-11
Figure 2-7. DLSw Services in Parallel with a Source Routing Bridge
Multiple DLSw Peers on a LAN
You can configure two or more DLSw nodes on the same SRB LAN. With this
configuration, each DLSw peer reaches a different set of remote NetBIOS and
SNA systems. In this case:
•Donot define a TCP connection between these Data Link Switches.
• Assign the same virtual ring IDs to each peer.
Taking these precautions prevents frames sent by one DLSw node from
propagating through the other DLSw node on the same SRB LAN.
Note: Do not configure multiple data link switches on an Ethernet/802.3
LAN. Ethernet/802.3 LANs do not support loop prevention through source
routing.
Router
Router
Source Routing Bridge
Token Ring/802.5
LAN Segment
Frames
Frames
Token Ring/
802.5
LAN Segment
TCP/IP
Network
DSW0015A
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