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Webcast-Catalyst9k
New Member

Blocks on SNMP (Port 161) stop printing

Applying an ACL to one of the VLANs on a 5513 has disabled all printing between this VLAN to others. The ACL is configured only to block port 161 SNMP, and allow everything else. Hence, the lines are as follows:

access-list 111 deny udp any any eq snmp log

access-list 111 permit ip any any

access-list 111 permit tcp any any

access-list 111 permit udp any any

access-list 111 permit icmp any any

This ACL is applied to a VLAN interface:

For instance:

#conf t

(conf)# int vlan 154

(conf-if)#ip access-group 111 in

Can anyone tell me why this would disable the printing between the workstations on this VLAN?

Thanks so much

1 REPLY
New Member

Re: Blocks on SNMP (Port 161) stop printing

Hi,

yes, that is strange. Do you use multilayer switching? If yes, it could be a problem

with the MLS communication between the route processor and the switch or it is just

a bug.

regards Ulrich Marzoli

ww.netaid.de

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