IP Hashing as an LSR
278 Basic System Configuration Guide
Figure 26: Customer Use Example For LLDP
The example displayed in Figure 26 depicts a MPLS network that uses Ethernet interfaces in
the core or as an access/hand off interfaces to connect to different kind of Ethernet enabled
devices such as service gateway/routers, QinQ switches, DSLAMs or customer equipment.
IEEE 802.1ab LLDP running on each Ethernet interfaces in between all the above network
elements may be used to discover the topology information.
IP Hashing as an LSR
It is now possible to include IP header in the hash routine at an LSR for the purpose of
spraying labeled-IPv4 and labeled-IPv6 packets over multiple equal cost paths in ECMP in
an LDP LSP and/or over multiple links of a LAG group in all types of LSPs.
OSSG263
Ethernet Links - FE/GE/10GE
MPLS/Native ETH
Core
LAG
QinQ
SWs
DSLAMs
P
PE PE
PE PE
PE PE
P
SG/R
SG/R
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