RTS DV-3400 Informações Técnicas descarregar pdf (Página 503)

100

101

Troubleshooting

Unusual Network Activity

DA or to use a wildcard ACL mask in a deny statement that happens

to include the switch’s IP address. For an example of this problem,

refer to the section titled “General ACL Operating Notes” in the

“Access Control Lists (ACLs)” chapter of the Advanced Traffic

Management Guide for your switch.

Routing Through a Gateway on the Switch Fails

Configuring a “deny” ACE that includes a gateway address can block traffic

attempting to use the gateway as a next-hop.

Remote Gateway Case on a Series 5300xl Switch. For example, config-

uring ACL “101” (below) and applying it outbound on VLAN 1 in figure C-4

includes the router gateway (10.0.8.1) needed by devices on other networks.

This can prevent the switch from sending ARP and other routing messages to

the gateway router to support traffic from authorized remote networks.

In figure C-4, this ACE

denies access to the

10 Net’s 10.0.8.1 router

gateway needed by

the 20 Net.

(Subnet mask is

255.255.255.0.)

Figure C-3. Example of ACE Blocking an Entire Subnet

C-11

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