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IP Routing
6-11
8000-A2-GB21-30
April 1998
Without Source-Based Routing
The following illustration shows that with destination routing ES1 can send
packets to ES2 based on the static route table. That is, when ES1 sends a packet
to ES2, the destination route is 155.1.3.5 and the next hop address for this
destination is 135.1.3.4 (RTU 2).
97-15472-0
2
Router
155.1.3.1
DSL Card*
s1c
RTU 1*
135.1.3.3
155.1.3.4
ES1
s1d
RTU 2*
135.1.3.4
155.1.3.5
ES2
Packet Flow
Host/Net
1) 155.1.3.4
2) 155.1.3.5
3) 0.0.0.0
Subnet Mask
255.255.255.255
255.255.255.255
0.0.0.0
8546 DSL
Card Next-Hop
Address
135.1.3.3
135.1.3.4
155.1.3.1
S/D (Source/
Destination)
dst (destination)
dst (destination)
dst (destination)
DSL Routing Table
*If DSL card is an 8540 DSL card,
associated RTU will not have an IP address.
s1c
s1d
155.1.3.1
8540 DSL
Card Next-Hop
Address