Cisco IOS

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Packet Capture

(This example is on a Catalyst 6506-E)

  1. # show monitor
  2. # Show run | inc monitor session
  3. (config)# no monitor session 1
  4. (config)# monitor session 1 source vlan 1309
  5. (config)# monitor session 1 destination interface Gi2/1/3

ACLs

Insert into existing Standard ACL

  1. # show access-list 24
  2. (config)# ip access-list standard 24
  3. (config-std-nacl)# 15 permit 10.1.2.0 0.0.0.255
  4. (config-std-nacl)# exit
  5. (config)# ip access-list resequence 24 10 10

Insert into existing Extended ACL

  1. # sh access-lists vlan2-out
  2. (config)# ip access-list extended vlan2-out
  3. (config-ext-nacl)# 1421 permit tcp object-group VPN.CLIENTS host 10.1.49.23 eq 3389
  4. (config)# ip access-list resequence vlan2-out 10 10

VPN

Some Useful Links

LAN-to-LAN IPsec Tunnel Between Two Routers Configuration Example

Cisco IOS VPN Configuration Guide

Site-to-Site IKEv2 Tunnel between ASA and Router Configuration Examples