Equal-Cost Multi-Path (ECMP) Routing

The ASA supports Equal-Cost Multi-Path (ECMP) routing.

You can have up to 8 equal cost static or dynamic routes per interface. For example, you can configure multiple default routes on the outside interface that specify different gateways.

route outside 0 0 10.1.1.2
route outside 0 0 10.1.1.3
route outside 0 0 10.1.1.4

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This example uses the hierarchical QoS Policy in order to shape all outbound traffic on the outside interface to 50 Mbps like the shaping example but it also specifies that Voice packets with the Differentiated Services Code Point (DSCP) value “ef”, as well as Secure Shell (SSH) traffic, shall receive priority.

• Create the priority queue on the interface on which you want to enable the feature:

ciscoasa(config)#priority-queue outside1
ciscoasa(config-priority-queue)#queue-limit 2048 // max
ciscoasa(config-priority-queue)#tx-ring-limit 511 // max
ciscoasa(config)#priority-queue outside2
ciscoasa(config-priority-queue)#queue-limit 2048 // max
ciscoasa(config-priority-queue)#tx-ring-limit 511 // max

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This is how you set a Ge interface on a Juniper device disable auto MDI-X negotiation as well as set the speed on the interface to 1Gbps.

set interfaces ge-0/0/1 ether-options no-auto-negotiation
set interfaces ge-0/0/1 ether-options link-mode full-duplex
set interfaces ge-0/0/1 ether-options speed 1g

随着“十四五”期间国家政策对IPv6深化改造及规模部署的推动，在IPv6改造过程中出现了越来越多的系统性问题，如图1所示。

图1 关于IPv6改造的各种疑问

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通过简单示例讲解一下vrf泄露的方法
前提

1、在思科设备里面称为vrf。
2、在华为设备里面称为vpn-instance。

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IPv6简单走两步