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SIP Traffic issue FWSM

Dear All,

I am facing issue for SIP traffic through FWSM. I am receiving SIP traffic on outside interface but not sending to inside interface.

Please find the config.

Source      :

Destination :

Port        : UDP-5070


access-list incoming_traffic extended permit udp any any    //already present

static (test-platform,outside) netmask

Detination is present on the firewall itself.


Capture acl

access-list temp extended permit udp any host


FWSM# show capture

capture abc type raw-data access-list temp interface outside circular-buffer[Capturing - 672 bytes]

capture abc1 type raw-data access-list temp interface test-platform[Capturing - 0 bytes]

FWSM# show capture abc

16 packets seen, 16 packets captured

   1: 11:18:57.2918457590 802.1Q vlan#308 P0

   2: 11:18:57.2918457590 802.1Q vlan#308 P0 >  udp 2525

   3: 11:18:58.2918458100 802.1Q vlan#308 P0

   4: 11:18:58.2918458100 802.1Q vlan#308 P0 >  udp 2525

   5: 11:18:59.2918459100 802.1Q vlan#308 P0

   6: 11:18:59.2918459100 802.1Q vlan#308 P0 >  udp 2525

   7: 11:19:01.2918461110 802.1Q vlan#308 P0

   8: 11:19:01.2918461110 802.1Q vlan#308 P0 >  udp 2525

   9: 11:19:33.2918493010 802.1Q vlan#308 P0

  10: 11:19:33.2918493010 802.1Q vlan#308 P0 >  udp 2534

  11: 11:19:33.2918493510 802.1Q vlan#308 P0

  12: 11:19:33.2918493510 802.1Q vlan#308 P0 >  udp 2534

  13: 11:19:34.2918494520 802.1Q vlan#308 P0

  14: 11:19:34.2918494520 802.1Q vlan#308 P0 >  udp 2534

  15: 11:19:36.2918496520 802.1Q vlan#308 P0

  16: 11:19:36.2918496520 802.1Q vlan#308 P0 >  udp 2534

16 packets shown

FWSM# show capture abc1

0 packet seen, 0 packet captured

0 packet shown

Everyone's tags (3)

SIP Traffic issue FWSM


Please provide the

-Show run policy-map

Also I would like to see the following

cap asp type asp-drop all circular-buffer

attempt to connect and provide me the:

show cap asp | include

Remember to rate al the helpful posts


Looking for some Networking Assistance? Contact me directly at I will fix your problem ASAP. Cheers, Julio Carvajal Segura