Avaya Configuring IP Exterior Gateway Protocols (BGP and EGP) Bedienungsanleitung Seite 297

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Translating Cisco to Nortel Networks Equivalents
308628-14.00 Rev 00
C-9
Interpreting the Cisco and Nortel Networks BGP Operational
Table
The following list describes the function of the Cisco and Nortel Networks BCC
operational commands in the corresponding row of Table C-2
.
1.
Do not synchronize between BGP and IGP; this enables a router to advertise a
BGP network to an external peer without having that network exist in the IP
routing table.
2.
Route reflection is a method to alleviate the need for “full mesh” IBGP by
allowing an internal BGP speaker to reflect (or re-advertise) routes learned
through an IBGP connection to another IBGP peer.
3.
Minimize the instability caused by route flapping.
4.
Confederations are used to reduce the number of peers in an AS by breaking
the network into multiple (smaller) ASs.
5.
The Collision Detection feature (if disabled) allows redundant BGP
connections to the same router.
6.
Show BGP routing table.
7.
Show status of BGP peers.
8.
Show the routers BGP timers. Within Cisco’s show ip /jointfilesconvert/106988/bgp neighbor
command the keepalive, holddown and external advertisement timers are
displayed.
9.
Display the router’s announce policies. Cisco’s show ip /jointfilesconvert/106988/bgp neighbor
command displays the routers incoming and outgoing route filters.
10.
Show BGP routes between peers 1.1.1.1 and 1.1.1.2.
11.
Display the BGP routes for either AS 123 or 456. Refer to the Cisco and
Nortel Networks regular expression tables at the end of this appendix for
information about the arguments that are available for these commands.
12.
Show a summary of BGP global parameters.
13.
Reset a neighbor’s BGP connection.
14.
Display BGP updates/changes as they occur.
15.
Show any BGP errors.
16.
Display the IP routing table.
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